(TXT) View Source
# DIGICOM SPA
SNM50
Card Type Modem
Chip Set Unidentified
I/O Options Power, leased line, switched line,
25-pin serial port
Maximum Modem Rate 33.6Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation ITU-T V.21, V.22, V.22bis,V.23, V.32,
Protocol V.32bis, V.34, V.34+
Fax Modulation V.17, V.29, V.27
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
Fax Class Class I
Data Bus External
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Power | CN1 | Switched | CN4 |
| | | line (RJ-11 | |
| | | connector) | |
|----------------------------+----------+--------------+-----|
| 25-pin serial port | CN2 | Power switch | SW1 |
|----------------------------+----------+--------------+-----|
| Leased line (RJ-11 | CN3 | | |
| connector) | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+-------+----------+-----------------------------------|
| PWR | Green | On | Power is on |
|-----+-------+----------+-----------------------------------|
| PWR | Green | Off | Power is off |
|-----+-------+----------+-----------------------------------|
| DSR | Red | On | Modem is ready |
|-----+-------+----------+-----------------------------------|
| DSR | Red | Off | Modem is not ready |
|-----+-------+----------+-----------------------------------|
| DTR | Red | On | Computer is ready |
|-----+-------+----------+-----------------------------------|
| DTR | Red | Off | Computer is not ready |
|-----+-------+----------+-----------------------------------|
| TD | Red | On | Modem is transmitting data |
|-----+-------+----------+-----------------------------------|
| TD | Red | Off | Modem is not transmitting data |
|-----+-------+----------+-----------------------------------|
| CTS | Red | On | CTS signal is high. TA ready to |
| | | | send data |
|-----+-------+----------+-----------------------------------|
| CTS | Red | Off | CTS signal is low |
|-----+-------+----------+-----------------------------------|
| RD | Red | On | Modem is receiving data |
|-----+-------+----------+-----------------------------------|
| RD | Red | Off | Modem is not receiving data |
|-----+-------+----------+-----------------------------------|
| DCD | Red | On | Data carrier present |
|-----+-------+----------+-----------------------------------|
| DCD | Red | Off | Data carrier not present. |
| | | | Connection not established |
|-----+-------+----------+-----------------------------------|
| TST | Red | On | Unit is conducting a test |
|-----+-------+----------+-----------------------------------|
| TST | Red | Off | Unit not conducting a test |
|-----+-------+----------+-----------------------------------|
| LNE | Red | On | Modem is off-hook |
|-----+-------+----------+-----------------------------------|
| LNE | Red | Blinking | Modem in back-up |
|-----+-------+----------+-----------------------------------|
| LNE | Red | Off | Modem is on-hook |
+------------------------------------------------------------+
+---------------------------------------------------------+
| SUPPORTED COMMAND SET |
|---------------------------------------------------------|
| Basic AT Commands |
|---------------------------------------------------------|
| AT, A/ |
|---------------------------------------------------------|
| A, C, E, H, M, Q, V, X, Y, Z |
|---------------------------------------------------------|
| &F, &M, &T, &X |
|---------------------------------------------------------|
| S Registers |
|---------------------------------------------------------|
| Unidentified |
|---------------------------------------------------------|
| Note: See MHI Help File for full command documentation. |
+---------------------------------------------------------+
PROPRIETARY AT COMMAND SET
+------------------------------------------------------------+
| COMMAND PORT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Yn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables command port |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &Y0 | Command port disabled |
|--------------+---------------------------------------------|
| &Y1 | Command port enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATION PROTOCOLS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the communication protocol for data |
| | calls |
|--------------+---------------------------------------------|
| Command | Protocol |
|--------------+---------------------------------------------|
| B0 | CCITT modulation with fixed carrier |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &En [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the type of connection the modem |
| | will operate in |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &E0 | Normal mode enabled |
|--------------+---------------------------------------------|
| &E1 | MNP/V.42 buffered auto-reliable mode |
| | enabled |
|--------------+---------------------------------------------|
| &E2 | V.42 sequence in auto-reliable mode; normal |
| | data mode if V.42 is not detected |
|--------------+---------------------------------------------|
| &E3 | V. 42 reliable mode enabled. Disconnect if |
| | fails |
|--------------+---------------------------------------------|
| &E4 | MNP auto-reliable mode; normal data mode if |
| | MNP is not detected |
|--------------+---------------------------------------------|
| &E5 | MNP reliable mode enabled. Disconnect if |
| | fails |
|--------------+---------------------------------------------|
| &E6 | MNP/V. 42 auto-reliable mode; normal data |
| | mode if error correction is not detected |
|--------------+---------------------------------------------|
| &E7 | MNP/V. 42 reliable mode enabled. Disconnect |
| | if fails |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) & DATA CARRIER DETECT (DCD) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the DSR & DCD option is |
| | enabled or disabled |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &C0 | DSR & DCD forced high |
|--------------+---------------------------------------------|
| &C1 | DSR & DCD are related to modulation |
| | standard |
|--------------+---------------------------------------------|
| &C2 | DSR forced high |
|--------------+---------------------------------------------|
| &C3 | DCD forced high |
|--------------+---------------------------------------------|
| &C4 | DSR & DCD forced high. When modem |
| | disconnects, DCD goes off for 2 seconds |
|--------------+---------------------------------------------|
| &C5 | DSR & DCD forced high. If DTR goes off or |
| | modem disconnects, DSR & DCD go off for |
| | 500ms |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA TERMINAL READY (DTR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem response to DTR |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í&D0 | DTR override |
|--------------+---------------------------------------------|
| &D1 | DTR toggle causes online command mode |
|--------------+---------------------------------------------|
| &D2 | Normal DTR operations |
|--------------+---------------------------------------------|
| &D3 | Resets on receipt of DTR |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] D<#> [cmds] |
|--------------+---------------------------------------------|
| Description: | Dials telephone number according to any |
| | modifiers included in the string |
|--------------+---------------------------------------------|
| Note: | Any combination of modifiers can be used to |
| | produce the desired dial functions in |
| | sequence. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| DR | Reverse mode enabled |
|--------------+---------------------------------------------|
| DP | Pulse dialing enabled |
|--------------+---------------------------------------------|
| DN | Dial stored telephone number |
|--------------+---------------------------------------------|
| DT | Tone dialing enabled |
|--------------+---------------------------------------------|
| DW | Dialing resumed following dial tone |
| | detection |
|--------------+---------------------------------------------|
| D, | Dialing paused |
|--------------+---------------------------------------------|
| D! | Flash function initiated. Modem commanded |
| | to go on-hook for .5sec |
|--------------+---------------------------------------------|
| D@ | Wait for Quite Answer function enabled. |
| | Modem waits until a "quiet answer," a |
| | ring-back signal followed by 5 seconds of |
| | silence |
|--------------+---------------------------------------------|
| D; | Modem returned to idle state after dialing. |
| | The semicolon can only be placed at the end |
| | of the dial command. |
|--------------+---------------------------------------------|
| D/ | Wait for .125sec |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY DIRECTORY NUMBER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays/deletes telephone directory |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &N0 | Displays directory |
|--------------+---------------------------------------------|
| &N99 | deletes entire telephone dorectory |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY STORED TELEPHONE NUMBER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Nn? [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays stored number n |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTE FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Un [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables DTE flow control options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &U0 | Flow control disabled |
|--------------+---------------------------------------------|
| &U1 | XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| &U2 | XON/XOFF passed through remote terminal |
|--------------+---------------------------------------------|
| &U4 | RTS/CTS flow control enabled |
|--------------+---------------------------------------------|
| &U5 | Software & hardware flow control enabled |
|--------------+---------------------------------------------|
| &U6 | Software & hardware flow control enabled. |
| | XON/XOFF passed through remote terminal |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DUMB MODE CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Vn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls access to command mode |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &V0 | Normal command mode access enabled |
|--------------+---------------------------------------------|
| &V1 | Command mode access via escape sequence |
| | enabled |
|--------------+---------------------------------------------|
| &V2 | Dumb mode; all commands are ignored. Use |
| | front panel to change status |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FALLBACK/FALL-FORWARD |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &An [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls multi-standard detection feature |
| | which allows the modem to fall-forward and |
| | fallback if the modem signaling rate does |
| | not match the DTE |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &A0 | multi-standard detection disabled |
|--------------+---------------------------------------------|
| &A1 | multi-standard detection enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FRONT PANEL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables front panel buttons |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &S0 | Front panel disabled |
|--------------+---------------------------------------------|
| í &S1 | Front panel enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GUARD TONE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Gn [cmds] |
|--------------+---------------------------------------------|
| Description: | Commands the modem to transmit a guard tone |
| | in V.22/V.22bis |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &G0 | Guard tone disabled |
|--------------+---------------------------------------------|
| í &G2 | 1800Hz guard tone enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERFACE BUFFER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &In [cmds] |
|--------------+---------------------------------------------|
| Description: | Allows the DTE to be set to a uniform rate |
| | regardless of the rate determined by the |
| | communications format selected |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &I0 | Constant speed interface to disabled DTE |
|--------------+---------------------------------------------|
| í &I1 | Constant speed interface enabled; CONNECT |
| | message indicates connect rate. Parity is |
| | transferred in transparent mode. |
|--------------+---------------------------------------------|
| &I2 | Constant speed interface enabled; CONNECT |
| | message indicates DTE rate. Parity is |
| | transferred in transparent mode. |
|--------------+---------------------------------------------|
| &I3 | Constant speed interface enabled; CONNECT |
| | message indicates connect rate. Parity is |
| | reconstructed by the modem. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LEASED LINE AUTO-HANDSHAKE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Hn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables leased line auto-handshake |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &H0 | Leased line auto-handshake disabled |
|--------------+---------------------------------------------|
| í &H1 | Leased line auto-handshake enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LEASED LINE/SWITCHED LINE NETWORK SELECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects a leased line or switched line |
| | network connection |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &L0 | Switched line |
|--------------+---------------------------------------------|
| &L1 | 2 wire leased line |
|--------------+---------------------------------------------|
| &L2 | 4 wire leased line |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE MODULATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Fn [cmds] |
|--------------+---------------------------------------------|
| Description: | Determines modem modulation standard |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| F0 | Multi-standard mode |
|--------------+---------------------------------------------|
| F1 | 300bps |
|--------------+---------------------------------------------|
| F3 | 1200/75bps |
|--------------+---------------------------------------------|
| F4 | 1200bps |
|--------------+---------------------------------------------|
| F5 | 2400bps |
|--------------+---------------------------------------------|
| F6 | 4800bps |
|--------------+---------------------------------------------|
| F7 | 7200bps |
|--------------+---------------------------------------------|
| F8 | 9600bps |
|--------------+---------------------------------------------|
| F9 | 12.0Kbps |
|--------------+---------------------------------------------|
| F10 | 14.4Kbps |
|--------------+---------------------------------------------|
| F11 | 16.8Kbps |
|--------------+---------------------------------------------|
| F12 | 19.2Kbps |
|--------------+---------------------------------------------|
| F13 | 21.6Kbps |
|--------------+---------------------------------------------|
| F14 | 24.0Kbps |
|--------------+---------------------------------------------|
| F15 | 26.4Kbps |
|--------------+---------------------------------------------|
| F16 | 28.8Kbps |
|--------------+---------------------------------------------|
| F17 | 31.2Kbps |
|--------------+---------------------------------------------|
| F18 | 33.6Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MODEM FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables flow control options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &K0 | Flow control disabled |
|--------------+---------------------------------------------|
| &K1 | XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| &K2 | RTS/CTS flow control enabled |
|--------------+---------------------------------------------|
| &K3 | Software & hardware flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON-LINE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] On [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls on-line command (data |
| | transmission) state options. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| O0 | On-line command mode with no retraining |
| | enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PULSE DIALING RATIO |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Pn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects pulse dial make/break ratio |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &P0 | 40/60ms at 10pps (North America) |
|--------------+---------------------------------------------|
| &P1 | 33/67ms at 10pps (Europe) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports modem type |
|--------------+---------------------------------------------|
| I1 | Reports software revision level |
|--------------+---------------------------------------------|
| I2 | Reports ROM checksum |
|--------------+---------------------------------------------|
| I3 | Reports identification in S38 |
|--------------+---------------------------------------------|
| I4 | Reports product code |
|--------------+---------------------------------------------|
| I8 | Reports revision level |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS/CTS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Rn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects RTS/CTS options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &R0 | CTS follows RTS. Register S26 delays CTS by |
| | value selected (0 - 2.55sec) |
|--------------+---------------------------------------------|
| &R1 | CTS forced high, RTS is ignored. |
|--------------+---------------------------------------------|
| &R2 | CTS force high |
|--------------+---------------------------------------------|
| &R3 | CTS always follows RTS |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEAKER VOLUME |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls speaker volume |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| L0 | Low volume setting |
|--------------+---------------------------------------------|
| L1 | Low volume setting |
|--------------+---------------------------------------------|
| í L2 | Medium volume setting |
|--------------+---------------------------------------------|
| L3 | Highest volume setting |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORE ACTIVE PROFILE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Wn [cmds] |
|--------------+---------------------------------------------|
| Description: | Writes the values for the active profile |
| | into the non-volatile RAM at location n. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &W0 | Write the active profile to stored profile |
| | 0 |
|--------------+---------------------------------------------|
| &W1 | Write the active profile to stored profile |
| | 1 |
|--------------+---------------------------------------------|
| &W2 | Write the active profile to stored profile |
| | 2 |
|--------------+---------------------------------------------|
| &W3 | Write the active profile to stored profile |
| | 3 |
|--------------+---------------------------------------------|
| &W4 | Write the active profile to stored profile |
| | 4 |
|--------------+---------------------------------------------|
| &W5 | Write the active profile to stored profile |
| | 5 |
|--------------+---------------------------------------------|
| &W6 | Write the active profile to stored profile |
| | 6 |
|--------------+---------------------------------------------|
| &W7 | Write the active profile to stored profile |
| | 7 |
|--------------+---------------------------------------------|
| &W8 | Write the active profile to stored profile |
| | 8 |
|--------------+---------------------------------------------|
| &W9 | Write the active profile to stored profile |
| | 9 |
|--------------+---------------------------------------------|
| &W99 | Writes the 10 factory configurations in the |
| | 10 user profiles |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORE TELEPHONE NUMBER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Nn&Z [cmds] |
|--------------+---------------------------------------------|
| Description: | Writes selected telephone numbers into the |
| | non-volatile memory at location n |
+------------------------------------------------------------+
SPECIAL COMMANDS
+------------------------------------------------------------+
| ASYNCHRONOUS DTR/1 MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables DTR/1 direct call in asynchronous |
| | mode |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í *D0 | DTR/1 disabled |
|--------------+---------------------------------------------|
| *D1 | DTR/1 enabled with CTS on in off-line |
|--------------+---------------------------------------------|
| *D2 | DTR/1 enabled with CTS off in off-line |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RELIABLE BUFFER/CHARACTER CONFIGURATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #An [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the handling of incoming data |
| | during auto-reliable time period |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í #A0 | Auto-reliable buffer and character disabled |
|--------------+---------------------------------------------|
| #A1 | Auto-reliable character enabled |
|--------------+---------------------------------------------|
| #A2 | Auto-reliable buffer enabled |
|--------------+---------------------------------------------|
| #A3 | Auto-reliable buffer and character enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT ERROR RATE THRESHOLD |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Determines Bit Error Rate Threshold to |
| | initiate fall-forward/fallback retrain |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| #Q0 | Standard bit error rate threshold: SQ=3 |
| | equivalent at bit error rate of 1*10-5 |
|--------------+---------------------------------------------|
| í #Q1 | Alternative bit error rate threshold: SQ=2 |
| | equivalent at bit error rate of 1*10-3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK OPTIONS |
|------------------------------------------------------------|
| Type: | Configuration |
|-----------------+------------------------------------------|
| Format | AT [cmds] *Yn [cmds] |
|-----------------+------------------------------------------|
| Description: | Sets the method for break transmission |
|------------------------------------------------------------|
| Command | Function |
|------------+-----------------------------------------------|
| í *Y0 | Expedited signaling, immediately send break |
|------------+-----------------------------------------------|
| *Y1 | Destructive signaling, buffers cleared, |
| | immediately send break |
|------------+-----------------------------------------------|
| *Y2 | In-sequence signaling, break sent in sequence |
| | with transmitted data |
|------------+-----------------------------------------------|
| *Y3 | Break signal ignored |
+------------------------------------------------------------+
+------------------------------------------------------------+
| C140-C141 CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Tn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables C140 & C141 signal |
| | interface |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í *T0 | C140 & C141 signal interface disabled |
|--------------+---------------------------------------------|
| *T1 | C140 signal interface enabled |
|--------------+---------------------------------------------|
| *T2 | C141 signal interface enabled |
|--------------+---------------------------------------------|
| *T3 | C140 & C141 signal interface enabled |
|--------------+---------------------------------------------|
| *T4 | C140 & C141 signal interface enabled. C141 |
| | requests loop 3 with modem on-line |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALLING TONE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Gn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls whether the DTE will allow the |
| | modem to send a 1300Hz calling tone when |
| | originating |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í *G0 | Disable calling tone |
|--------------+---------------------------------------------|
| *G1 | Enable calling tone |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *En [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables data compression |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| *E0 | Data compression disabled |
|--------------+---------------------------------------------|
| í *E1 | Data compression enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Pn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DSR options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í *P0 | DSR standard |
|--------------+---------------------------------------------|
| *P1 | DSR on for 200ms after aborted call |
|--------------+---------------------------------------------|
| *P2 | DSR follows DCD during handshake |
|--------------+---------------------------------------------|
| *P3 | DSR follows DCD during handshake and DSR |
| | wink |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DETECTION PHASE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #En [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables detection phase before the |
| | negotiation of V.42 protocol |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| #E0 | Detection phase disabled |
|--------------+---------------------------------------------|
| í #E1 | Detection phase enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAL LINE BACK-UP |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls dial line back-up selection |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í #B0 | Dial line back-up disabled |
|--------------+---------------------------------------------|
| #B1 | Dial line back-up enabled; when leased line |
| | is in failure the modem automatically uses |
| | switched line until power-down |
|--------------+---------------------------------------------|
| #B2 | Dial line back-up enabled with automatic |
| | look-back. When leased line is in failure, |
| | modem uses switched line for time specified |
| | by register S28 |
|--------------+---------------------------------------------|
| #B4 | Dial line back-up controlled by C116 DTE |
| | interface circuit |
|--------------+---------------------------------------------|
| #B5 | Dial line back-up enabled with automatic |
| | look-back. When leased line is in failure, |
| | modem uses switched line for time specified |
| | by register S28. LEDs managed differently |
| | from #B2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY BLACKLIST NUMBERS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays blacklist numbers |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| *B0 | Displays delayed and forbidden numbers |
|--------------+---------------------------------------------|
| *B1 | Displays delayed numbers |
|--------------+---------------------------------------------|
| *B2 | Displays forbidden numbers |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY CONFIGURATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays active configuration. At the end |
| | of the list, it is possible to display the |
| | error message relative to the connection |
| | state. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY STORED NUMBER |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays stored number for DTR/1 direct |
| | call in V.25bis mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTE SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *In [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls DTE interface data rate |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í *I0 | Automode enabled |
|--------------+---------------------------------------------|
| *I1 | 300bps |
|--------------+---------------------------------------------|
| *I4 | 1200 |
|--------------+---------------------------------------------|
| *I5 | 2400bps |
|--------------+---------------------------------------------|
| *I6 | 4800bps |
|--------------+---------------------------------------------|
| *I7 | 7200bps |
|--------------+---------------------------------------------|
| *I8 | 9600bps |
|--------------+---------------------------------------------|
| *I10 | 14.4Kbps |
|--------------+---------------------------------------------|
| *I11 | 19.2Kbps |
|--------------+---------------------------------------------|
| *I13 | 38.4Kbps |
|--------------+---------------------------------------------|
| *I14 | 57.6Kbps |
|--------------+---------------------------------------------|
| *I15 | 115.2Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #Xn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables extended code CONNECT |
| | messages to indicate buffer or error |
| | correction activation (ATX) |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í #X0 | Extended result codes disabled |
|--------------+---------------------------------------------|
| #X1 | /BUF and /REL messages enabled |
|--------------+---------------------------------------------|
| #X2 | Extended result codes enabled |
|--------------+---------------------------------------------|
| #X3 | Extended result codes enabled. ONL/OFL |
| | messages disabled in V.25bis |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL DURING RETRAIN |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Determines flow control handling during |
| | retrain phases |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í #K0 | Flow control option during retrain disabled |
|--------------+---------------------------------------------|
| #K1 | Flow control option during retrain follows |
| | &K |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets type of flow control used by modem |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í *K0 | CTS forced high |
|--------------+---------------------------------------------|
| *K1 | XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| *K2 | CTS off during handshake |
|--------------+---------------------------------------------|
| *K3 | CTS off during handshake & XON/XOFF flow |
| | control enabled |
|--------------+---------------------------------------------|
| *K4 | CTS off in off-line |
|--------------+---------------------------------------------|
| *K5 | CTS off in off-line & XON/XOFF flow control |
| | enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HALF DUPLEX SIMULATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #Hn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables half duplex simulation |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í #H0 | Half-Duplex simulation disabled |
|--------------+---------------------------------------------|
| #H1 | Half-Duplex simulation enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HANDSHAKE BREAK |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #Pn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables handshake abort if DTE |
| | sends data during handshake |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í #P0 | Handshake abort enabled |
|--------------+---------------------------------------------|
| #P1 | Handshake abort disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Fn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the flow of data between local and |
| | remote modems |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í *F0 | Remote flow control disabled |
|--------------+---------------------------------------------|
| *F1 | Remote flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MINIMUM LINE SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #Fn [cmds] |
|--------------+---------------------------------------------|
| Description: | Determines minimum data rate |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í #F0 | Function disabled. No minimum speed |
|--------------+---------------------------------------------|
| #F1 | 300bps |
|--------------+---------------------------------------------|
| #F3 | 1200/75bps |
|--------------+---------------------------------------------|
| #F4 | 1200bps |
|--------------+---------------------------------------------|
| #F5 | 2400bps |
|--------------+---------------------------------------------|
| #F6 | 4800bps |
|--------------+---------------------------------------------|
| #F7 | 7200bps |
|--------------+---------------------------------------------|
| #F8 | 9600bps |
|--------------+---------------------------------------------|
| #F9 | 12.0Kbps |
|--------------+---------------------------------------------|
| #F10 | 14.4Kbps |
|--------------+---------------------------------------------|
| #F11 | 16.8Kbps |
|--------------+---------------------------------------------|
| #F12 | 19.2Kbps |
|--------------+---------------------------------------------|
| #F13 | 21.6Kbps |
|--------------+---------------------------------------------|
| #F14 | 24.0Kbps |
|--------------+---------------------------------------------|
| #F15 | 26.4Kbps |
|--------------+---------------------------------------------|
| #F16 | 28.8Kbps |
|--------------+---------------------------------------------|
| #F17 | 31.2Kbps |
|--------------+---------------------------------------------|
| #F18 | 33.6Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| OVERSPEED SELECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *On [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets type of flow control used by modem |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í *O0 | Overspeed +1%: -2.5% |
|--------------+---------------------------------------------|
| *O1 | Overspeed +2.3%: -2.5% |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PREFIX DIALING |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #Wn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables the automatic dialing of a prefix |
| | before every number. Prefix is stored in |
| | location 19 of the memory |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í #W0 | Automatic prefix dialing enabled |
|--------------+---------------------------------------------|
| #W1 | Automatic prefix dialing disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REMOTE ACCESS CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #Tn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets remote access control |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| #T0 | Remote access control disabled |
|--------------+---------------------------------------------|
| #T4 | Modem enabled for remote access, download |
| | request and loop 2 remote test |
|--------------+---------------------------------------------|
| í #T5 | Remote access and download request disabled |
|--------------+---------------------------------------------|
| #T6 | Request for remote access control sent |
|--------------+---------------------------------------------|
| #T7 | Request for download of the configuration |
| | indicated by registers S65 and S66 sent |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIGNAL QUALITY ACTION CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls signal quality action |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í *Q0 | Signal quality action disabled |
|--------------+---------------------------------------------|
| *Q1 | Retrain enabled |
|--------------+---------------------------------------------|
| *Q2 | Fallback enabled (V.34, V.32bis, V.32, or |
| | V.22 mode) |
|--------------+---------------------------------------------|
| *Q3 | Disconnects after first aborted retrain |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPECIAL MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #Vn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects V.23 full duplex special |
| | functioning mode |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í #V0 | V.23 automatic mode: 75bps transmit, |
| | 1200bps receive (originate), 1200bps |
| | transmit, 75bps receive (answer) |
|--------------+---------------------------------------------|
| #V1 | 75bps transmit, 1200bps receive fixed |
|--------------+---------------------------------------------|
| #V2 | 1200bps transmit, 75bps receive fixed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| S-REGISTER DISPLAY |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *S [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays values stored in S-registers |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SYNCHRONOUS CLOCK CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Xn [cmds] |
|--------------+---------------------------------------------|
| Description: | Forces modem’s transmit and receive clock |
| | at the DTE interface |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| *X0 | Synchronous clocks are on in data mode only |
|--------------+---------------------------------------------|
| *X1 | Synchronous clocks are always on |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMISSION LEVEL - LEASED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] !Ln [cmds] |
|--------------+---------------------------------------------|
| Default: | 10 |
|--------------+---------------------------------------------|
| Range: | 3-15 |
|--------------+---------------------------------------------|
| Unit: | -1 dBm |
|--------------+---------------------------------------------|
| Description: | Sets the signal level for transmission over |
| | leased phone lines |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMISSION LEVEL - SWITCHED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Ln [cmds] |
|--------------+---------------------------------------------|
| Default: | 10 |
|--------------+---------------------------------------------|
| Range: | 3-15 |
|--------------+---------------------------------------------|
| Unit: | -1 dBm |
|--------------+---------------------------------------------|
| Description: | Sets the signal level for transmission over |
| | switched phone lines |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.25BIS DTR/1 STORED NUMBER |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format | AT [cmds] *Zxxxx [cmds] |
|--------------+---------------------------------------------|
| Description: | Stores a number for DTR/1 operation in |
| | V.25bis mode. Must be placed at the end of |
| | command string |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.25BIS MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Vn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables/disables V.25bis mode |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| *V0 | V.25bis in DTR/2 asynchronous |
|--------------+---------------------------------------------|
| *V1 | V.25bis in DTR/1 synchronous/asynchronous |
| | (&M) |
|--------------+---------------------------------------------|
| *V2 | V.25bis in DTR/2 HDLC |
|--------------+---------------------------------------------|
| *V7 | Returns in AT mode |
+------------------------------------------------------------+