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# SILICOM MULTIMEDIA SYSTEMS, INC.
MODEM MASTER 8400/56K
Card Type Modem
Chip Set Unidentified
I/O Options: Line in, line out, microphone in,
speaker out
Maximum Modem Rate 56.0Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23,
V.32bis, V.34, V.34bis, X2
Fax Modulation ITU-T V.17, V.27ter, V.29
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
Fax Class I
Data Bus 16-bit ISA
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-----------------------+-------+--------------------+-------|
| Line in (RJ-11) | CN1 | Microphone in | CN3 |
|-----------------------+-------+--------------------+-------|
| Line out (RJ-11) | CN2 | Speaker out | CN4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED COMMAND SET |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| AT, ‘+++’, A/ |
|------------------------------------------------------------|
| A, B, E, F, H, M, O, P, T, V |
|------------------------------------------------------------|
| &C, &G, &T, &U |
|------------------------------------------------------------|
| Special Commands |
|------------------------------------------------------------|
| #CID |
|------------------------------------------------------------|
| S Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S18, S25, S38 |
|------------------------------------------------------------|
| |
|------------------------------------------------------------|
| Note: |
| |
| See MHI Help File for full command documentation. |
+------------------------------------------------------------+
PROPRIETARY AT COMMAND SET
+------------------------------------------------------------+
| BREAK OPTIONS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format | AT [cmds] &Y n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the method for break transmission |
| | during error-control and ASB connections. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &Y0 | Destructive signaling |
|--------------+---------------------------------------------|
| &Y1 | Destructive/expedited signaling |
|--------------+---------------------------------------------|
| &Y2 | In-sequence/expidated signaling |
|--------------+---------------------------------------------|
| &Y2 | In-sequence signaling |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &M n [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the type of connection the modem |
| | will operate in |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &M0 | Normal mode enabled |
|--------------+---------------------------------------------|
| &M4 | Normal/MNP reliable mode enabled |
|--------------+---------------------------------------------|
| &M5 | MNP reliable mode enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONTINUOUSLY REPEAT PREVIOUS COMMAND |
|------------------------------------------------------------|
| Type: | Immediate |
|-----------------+------------------------------------------|
| Format: | A> |
|-----------------+------------------------------------------|
| Description: | Continuosly repeats previous command |
|------------------------------------------------------------|
| Note: Do not precede this command with AT, or follow |
| it with <CR>. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &K n [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables data compression options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &K0 | Data compression disabled |
|--------------+---------------------------------------------|
| &K1 | Automatic data compression enabled |
|--------------+---------------------------------------------|
| &K2 | Data compression enabled |
|--------------+---------------------------------------------|
| &K3 | Selective data compression enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &S n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DSR options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &S0 | DSR forced high |
|--------------+---------------------------------------------|
| &S1 | DSR high only while modem is handshaking or |
| | connected |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA TERMINAL READY (DTR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &D n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem response to DTR |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &D0 | Modem does not respond to DTR |
|--------------+---------------------------------------------|
| &D1 | Modem goes to command mode on DTR toggle |
|--------------+---------------------------------------------|
| &D2 | Modem goes to command mode and disconnects |
| | (hangs up) on DTR toggle; |
| | |
| | Auto-Answer is disabled on low DTR. |
|--------------+---------------------------------------------|
| &D3 | Modem is initialized on DTR toggle |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DCE LINE SPEED (MAXIMUM) |
|------------------------------------------------------------|
| Type: | Configuration |
|-----------------+------------------------------------------|
| Format | AT [cmds] &N n [cmds] |
|-----------------+------------------------------------------|
| Description: | Sets the maximum allowable data exchange |
| | rate attempted during handshake process. |
|-----------------+------------------------------------------|
| Command | Function |
|-----------------+------------------------------------------|
| &N0 | Highest link speed |
|-----------------+------------------------------------------|
| &N1 | 300bps |
|-----------------+------------------------------------------|
| &N2 | 1200bps |
|-----------------+------------------------------------------|
| &N3 | 2400bps |
|-----------------+------------------------------------------|
| &N4 | 4800bps |
|-----------------+------------------------------------------|
| &N5 | 7200bps |
|-----------------+------------------------------------------|
| &N6 | 9600bps |
|-----------------+------------------------------------------|
| &N7 | 12.0Kbps |
|-----------------+------------------------------------------|
| &N8 | 14.4Kbps |
|-----------------+------------------------------------------|
| &N9 | 16.8Kbps |
|-----------------+------------------------------------------|
| &N10 | 19.2Kbps |
|-----------------+------------------------------------------|
| &N11 | 21.6Kbps |
|-----------------+------------------------------------------|
| &N12 | 24.0Kbps |
|-----------------+------------------------------------------|
| &N13 | 26.4Kbps |
|-----------------+------------------------------------------|
| &N14 | 28.8Kbps |
|-----------------+------------------------------------------|
| &N15 | 31.2Kbps |
|-----------------+------------------------------------------|
| &N16 | 33.6Kbps |
|-----------------+------------------------------------------|
| &N17 | 33.6Kbps |
|-----------------+------------------------------------------|
| &N18 | 33.3Kbps |
|-----------------+------------------------------------------|
| &N19 | 37.3Kbps |
|-----------------+------------------------------------------|
| &N20 | 42.6Kbps |
|-----------------+------------------------------------------|
| &N21 | 44.0Kbps |
|-----------------+------------------------------------------|
| &N22 | 45.3Kbps |
|-----------------+------------------------------------------|
| &N23 | 46.6Kbps |
|-----------------+------------------------------------------|
| &N24 | 48.0Kbps |
|-----------------+------------------------------------------|
| &N25 | 49.3Kbps |
|-----------------+------------------------------------------|
| &N26 | 50.6Kbps |
|-----------------+------------------------------------------|
| &N27 | 52.0Kbps |
|-----------------+------------------------------------------|
| &N28 | 53.3Kbps |
|-----------------+------------------------------------------|
| &N29 | 54.6Kbps |
|-----------------+------------------------------------------|
| &N30 | 56.0Kbps |
|-----------------+------------------------------------------|
| &N31 | 57.3Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DCE LINE SPEED (MINIMUM) |
|------------------------------------------------------------|
| Type: | Configuration |
|-----------------+------------------------------------------|
| Format | AT [cmds] &U n [cmds] |
|-----------------+------------------------------------------|
| Description: | Sets the minimum allowable data exchange |
| | rate attempted during handshake process. |
|-----------------+------------------------------------------|
| Command | Function |
|-----------------+------------------------------------------|
| &U0 | Variable link rate |
|-----------------+------------------------------------------|
| &U1 | 300bps |
|-----------------+------------------------------------------|
| &U2 | 1200bps |
|-----------------+------------------------------------------|
| &U3 | 2400bps |
|-----------------+------------------------------------------|
| &U4 | 4800bps |
|-----------------+------------------------------------------|
| &U5 | 7200bps |
|-----------------+------------------------------------------|
| &U6 | 9600bps |
|-----------------+------------------------------------------|
| &U7 | 12.0Kbps |
|-----------------+------------------------------------------|
| &U8 | 14.4Kbps |
|-----------------+------------------------------------------|
| &U9 | 16.8Kbps |
|-----------------+------------------------------------------|
| &U10 | 19.2Kbps |
|-----------------+------------------------------------------|
| &U11 | 21.6Kbps |
|-----------------+------------------------------------------|
| &U12 | 24.0Kbps |
|-----------------+------------------------------------------|
| &U13 | 26.4Kbps |
|-----------------+------------------------------------------|
| &U14 | 28.8Kbps |
|-----------------+------------------------------------------|
| &U15 | 31.2Kbps |
|-----------------+------------------------------------------|
| &U16 | 33.6Kbps |
|-----------------+------------------------------------------|
| &U17 | 33.6Kbps |
|-----------------+------------------------------------------|
| &U18 | 33.3Kbps |
|-----------------+------------------------------------------|
| &U19 | 37.3Kbps |
|-----------------+------------------------------------------|
| &U20 | 42.6Kbps |
|-----------------+------------------------------------------|
| &U21 | 44.0Kbps |
|-----------------+------------------------------------------|
| &U22 | 45.3Kbps |
|-----------------+------------------------------------------|
| &U23 | 46.6Kbps |
|-----------------+------------------------------------------|
| &U24 | 48.0Kbps |
|-----------------+------------------------------------------|
| &U25 | 49.3Kbps |
|-----------------+------------------------------------------|
| &U26 | 50.6Kbps |
|-----------------+------------------------------------------|
| &U27 | 52.0Kbps |
|-----------------+------------------------------------------|
| &U28 | 53.3Kbps |
|-----------------+------------------------------------------|
| &U29 | 54.6Kbps |
|-----------------+------------------------------------------|
| &U30 | 56.0Kbps |
|-----------------+------------------------------------------|
| &U31 | 57.3Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|--------------+---------------------------------------------|
| DP | Pulse dialing enabled |
|--------------+---------------------------------------------|
| DR | Answer mode enabled; originate mode |
| | disabled following handshake initiation. |
|--------------+---------------------------------------------|
| DSn | Dial stored telephone number n |
|--------------+---------------------------------------------|
| DT | Tone dialing enabled/Pulse dialing disabled |
|--------------+---------------------------------------------|
| DW | Dialing resumed following dial tone |
| | detection |
|--------------+---------------------------------------------|
| D, | Dialing paused for amount of time specified |
| | in S8 register |
|--------------+---------------------------------------------|
| D! | Flash function initiated. Modem commanded |
| | to go off-hook for specified time before |
| | returning on-hook. |
|--------------+---------------------------------------------|
| D@ | Wait for Quite Answer function enabled. |
| | Modem waits until a "quiet answer," a |
| | ring-back signal followed by 5 seconds of |
| | silence is received prior to executing the |
| | rest of the dial string. |
|--------------+---------------------------------------------|
| D; | Modem returned to idle state after dialing. |
| | The semicolon can only be placed at the end |
| | of the dial command. |
|--------------+---------------------------------------------|
| D$ | HELP; dial commands |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY DEFAULT PROFILE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &F [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets values in active profile to values |
| | found in the default profile |
|--------------+---------------------------------------------|
| &F0 | Load factory configuration 0; flow control |
| | disabled |
|--------------+---------------------------------------------|
| &F1 | Load factory configuration 1; hardware flow |
| | control enabled |
|--------------+---------------------------------------------|
| &F2 | Load factory configuration 2; software flow |
| | control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FIXED DTE SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &B n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects fixed DTE speed options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &B1 | Fixed DTE speed enabled |
|--------------+---------------------------------------------|
| &B2 | Fixed DTE speed in error correction mode |
| | enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL - RX |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] I n [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables receive flow control options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &I0 | Flow control disabled |
|--------------+---------------------------------------------|
| &I1 | XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| &I2 | XON/XOFF filtered flow control enabled |
|--------------+---------------------------------------------|
| &I3 | HP enq/ack host mode enabled |
|--------------+---------------------------------------------|
| &I4 | HP enq/ack terminal mode enabled |
|--------------+---------------------------------------------|
| &I5 | XON/XOFF for non-error corrected mode |
| | enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL - TX |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &H n [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables transmission flow control options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &H0 | Flow control disabled |
|--------------+---------------------------------------------|
| &H1 | RTS to CTS flow control enabled |
|--------------+---------------------------------------------|
| &H2 | XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| &H3 | RTS to CTS & XON/XOFF flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HELP - AMPERSAND COMMANDS |
|------------------------------------------------------------|
| Type: | Immidiate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &$ [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays ampersand command help file |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PULSE DIALING RATIO |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &P n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects pulse dial make/break ratio |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &P0 | 39/61ms at 10pps (North America) |
|--------------+---------------------------------------------|
| &P1 | 33/67ms at 10pps (Europe) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] I n [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports product code |
|--------------+---------------------------------------------|
| I1 | Reports ROM checksum |
|--------------+---------------------------------------------|
| I2 | Tests and reports ROM checksum |
|--------------+---------------------------------------------|
| I3 | Reports product ID string |
|--------------+---------------------------------------------|
| I4 | Reports current settings |
|--------------+---------------------------------------------|
| I5 | Reports NVRAM settings |
|--------------+---------------------------------------------|
| I6 | Reports link diagnostics |
|--------------+---------------------------------------------|
| I7 | Reports product configuration |
|--------------+---------------------------------------------|
| I9 | Reports plug and play enumeration |
|--------------+---------------------------------------------|
| I11 | Reports link diagnostics |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Q n [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables modem to send result codes to the |
| | DTE |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| Q0 | Result code sending enabled |
|--------------+---------------------------------------------|
| Q1 | Result code sending disabled |
|--------------+---------------------------------------------|
| Q2 | Result code sending enabled in originate |
| | mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &A n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects result code options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &A0 | ARQ result codes disabled |
|--------------+---------------------------------------------|
| &A1 | ARQ result codes enabled |
|--------------+---------------------------------------------|
| &A2 | Modulation codes enabled |
|--------------+---------------------------------------------|
| &A3 | Extended result codes enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &R n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects RTS options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &R1 | RTS is ignored in command mode. |
|--------------+---------------------------------------------|
| &R2 | Receive to DTE/ RTS forced high |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SELECT CALL PROGRESS RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] X n [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables selection of tone detection and |
| | associated result code format options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| X0 | Basic result codes enabled |
|--------------+---------------------------------------------|
| X1 | Extended result codes enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SOFT RESET |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Y n [cmds] |
|--------------+---------------------------------------------|
| Description: | Restores modem profiles previously saved in |
| | non-volatile RAM using the &W and&F |
| | command. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| Y0 | Write the active profile to stored profile |
| | 0 |
|--------------+---------------------------------------------|
| Y1 | Write the active profile to stored profile |
| | 1 |
|--------------+---------------------------------------------|
| Y2 | Load factory configuration 0; flow control |
| | disabled |
|--------------+---------------------------------------------|
| Y3 | Load factory configuration 1; hardware flow |
| | control enabled |
|--------------+---------------------------------------------|
| Y4 | Load factory configuration 2; software flow |
| | control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SOFT RESET |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Z n [cmds] |
|--------------+---------------------------------------------|
| Description: | Restores modem profiles previously saved in |
| | non-volatile RAM using the Y, &W and &F |
| | command. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| Z0 | Y setting determines reset |
|--------------+---------------------------------------------|
| Z1 | Write the active profile to stored profile |
| | 0 |
|--------------+---------------------------------------------|
| Z2 | Write the active profile to stored profile |
| | 1 |
|--------------+---------------------------------------------|
| Z3 | Load factory configuration 0; flow control |
| | disabled |
|--------------+---------------------------------------------|
| Z4 | Load factory configuration 1; hardware flow |
| | control enabled |
|--------------+---------------------------------------------|
| Z5 | Load factory configuration 2; software flow |
| | control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEAKER VOLUME |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] L n [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls speaker volume |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| L0 | Low volume setting |
|--------------+---------------------------------------------|
| L1 | Low volume setting |
|--------------+---------------------------------------------|
| L2 | Medium volume setting |
|--------------+---------------------------------------------|
| L3 | Highest volume setting |
+------------------------------------------------------------+
S(STATUS) - REGISTERS
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S13 |
|------------------------------------------------------------|
| Type: | Register | |
|--------------+--------------| |
| Format: | AT [cmds] | |
| | S13= n | |
| | [cmds] | |
|--------------+--------------| |
| Range: | Unidentified | |
|--------------+--------------| |
| Unit: | Bit-mapped | |
|--------------+--------------| |
| Description: | Controls DTR | |
| | reset, DS0, | |
| | quick | |
| | retrain, and | |
| | escape | |
| | sequence | |
| | options | |
|--------------+--------------+------------------------------|
| Bit | Value | Function |
|--------------+--------------+------------------------------|
| 0 | 0 | Reset on low DTR disabled |
| | | |
| | 1 | Reset on low DTR enabled |
|--------------+--------------+------------------------------|
| 1 | 0 | Reduced non-error corrected |
| | | transmit buffer disabled |
| | 1 | |
| | | Reduced non-error corrected |
| | | transmit buffer enabled |
|--------------+--------------+------------------------------|
| 2 | 0 | DEL=backspace disabled |
| | | |
| | 1 | Set DEL=backspace |
|--------------+--------------+------------------------------|
| 3 | 0 | DS0 on DTR disabled |
| | | |
| | 1 | DS0 on DTR enabled |
|--------------+--------------+------------------------------|
| 4 | 0 | DS0 on reset disabled |
| | | |
| | 1 | DS0 on reset enabled |
|--------------+--------------+------------------------------|
| 5 | 0 | Not used |
|--------------+--------------+------------------------------|
| 6 | 0 | Quick retrain enabled |
| | | |
| | 1 | Quick retrain disabled |
|--------------+--------------+------------------------------|
| 7 | 0 | Escape code hang-up disabled |
| | | |
| | 1 | Escape code hang-up enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S15 |
|------------------------------------------------------------|
| Format | AT [cmds] | |
| | S15= n | |
| | [cmds] | |
|--------------+--------------| |
| Range: | Unidentified | |
|--------------+--------------| |
| Unit: | Bit-mapped | |
|--------------+--------------| |
| Description: | Selects | |
| | compression, | |
| | and MNP | |
| | mode. | |
|--------------+--------------+------------------------------|
| Bit | Value | Function |
|--------------+--------------+------------------------------|
| 1 - 0 | 00 | MNP/V.42 in V.22 mode |
| | | enabled |
| | 01 | |
| | | MNP/V.42 in V.22 mode |
| | | disabled |
|--------------+--------------+------------------------------|
| 2 | 00 | MNP/V.42 in V.32 mode |
| | | enabled |
| | 01 | |
| | | MNP/V.42 in V.32 mode |
| | | disabled |
|--------------+--------------+------------------------------|
| 3 | 0 | MNP handshake enabled |
| | | |
| | 1 | MNP handshake disabled |
|--------------+--------------+------------------------------|
| 4 | 0 | MNP4 enabled |
| | | |
| | 1 | MNP4 disabled |
|--------------+--------------+------------------------------|
| 5 | 0 | MNP3 enabled |
| | | |
| | 1 | MNP3 disabled |
|--------------+--------------+------------------------------|
| 6 | 0 | Unusual MNP incompatibility |
| | | enabled |
| | 1 | |
| | | Unusual MNP incompatibility |
| | | disabled |
|--------------+--------------+------------------------------|
| 7 | 00 | V.42 enabled |
| | | |
| | 01 | V.42 disabled |
| | | |
| | 10 | V.42 detect phase enabled |
| | | |
| | 11 | V.42 detect phase disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S27 |
|------------------------------------------------------------|
| Format | AT [cmds] | |
| | S27= n | |
| | [cmds] | |
|--------------+--------------| |
| Range: | Unidentified | |
|--------------+--------------| |
| Unit: | Bit-mapped | |
|--------------+--------------| |
| Description: | Selects | |
| | modulations | |
| | and error | |
| | correction | |
| | flags | |
|--------------+--------------+------------------------------|
| Bit | Value | Function |
|--------------+--------------+------------------------------|
| 0 | 0 | V.21 mode disabled |
| | | |
| | 1 | V.21 mode enabled |
|--------------+--------------+------------------------------|
| 1 | 0 | TCM mode enabled |
| | | |
| | 1 | TCM mode disabled |
|--------------+--------------+------------------------------|
| 2 | 0 | V.32 mode enabled |
| | | |
| | 1 | V.32 mode disabled |
|--------------+--------------+------------------------------|
| 3 | 0 | 2100Hz answer tone enabled |
| | | |
| | 1 | 2100Hz answer tone disabled |
|--------------+--------------+------------------------------|
| 4 | 0 | V.23 fallback disabled |
| | | |
| | 1 | V.23 fallback enabled |
|--------------+--------------+------------------------------|
| 5 | 0 | V32bis mode enabled |
| | | |
| | 1 | V32bis mode disabled |
|--------------+--------------+------------------------------|
| 6 | 0 | Not used |
|--------------+--------------+------------------------------|
| 7 | 0 | Software compatibility mode |
| | | disabled |
| | 1 | |
| | | Software compatibility mode |
| | | enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S32 |
|------------------------------------------------------------|
| Format: | AT [cmds] S32= | |
| | n [cmds] | |
|--------------+----------------| |
| Range: | 0-255 | |
|--------------+----------------| |
| Description: | Select | |
| | modulations | |
| | and call | |
| | control flags | |
|--------------+----------------+----------------------------|
| Bit | Value | Function |
|--------------+----------------+----------------------------|
| 0 | 0 | V.8 call indicate disabled |
| | | |
| | 1 | V.8 call indicate enabled |
|--------------+----------------+----------------------------|
| 1 | 0 | V.8 mode disabled |
| | | |
| | 1 | V.8 mode enabled |
|--------------+----------------+----------------------------|
| 2 | 0 | Reserved |
|--------------+----------------+----------------------------|
| 3 | 0 | V.34 modulation enabled |
| | | |
| | 1 | V.34 modulation disabled |
|--------------+----------------+----------------------------|
| 4 | 0 | V.34+ modulation enabled |
| | | |
| | 1 | V.34+ modulation disabled |
|--------------+----------------+----------------------------|
| 5 | 0 | X2 modulation enabled |
| | | |
| | 1 | X2 modulation disabled |
|--------------+----------------+----------------------------|
| 6 | 0 | Reserved |
|--------------+----------------+----------------------------|
| 7 | 0 | Reserved |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S33 |
|------------------------------------------------------------|
| Format: | AT [cmds] S33= n | |
| | [cmds] | |
|--------------+------------------| |
| Range: | 0-255 | |
|--------------+------------------| |
| Description: | Enables/disables | |
| | symbol rates | |
|--------------+------------------+--------------------------|
| Bit | Value | Function |
|--------------+------------------+--------------------------|
| 0 | 0 | 2400 symbol rate enabled |
| | | |
| | 1 | 2400 symbol rate |
| | | disabled |
|--------------+------------------+--------------------------|
| 1 | 0 | 2743 symbol rate enabled |
| | | |
| | 1 | 2743 symbol rate |
| | | disabled |
|--------------+------------------+--------------------------|
| 2 | 0 | 2800 symbol rate enabled |
| | | |
| | 1 | 2800 symbol rate |
| | | disabled |
|--------------+------------------+--------------------------|
| 3 | 0 | 3000 symbol rate enabled |
| | | |
| | 1 | 3000 symbol rate |
| | | disabled |
|--------------+------------------+--------------------------|
| 4 | 0 | 3200 symbol rate enabled |
| | | |
| | 1 | 3200 symbol rate |
| | | disabled |
|--------------+------------------+--------------------------|
| 5 | 0 | 3429 symbol rate enabled |
| | | |
| | 1 | 3429 symbol rate |
| | | disabled |
|--------------+------------------+--------------------------|
| 6 | 0 | Reserved |
|--------------+------------------+--------------------------|
| 7 | 0 | Shaping enabled |
| | | |
| | 1 | Shaping disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S34 |
|------------------------------------------------------------|
| Format: | AT | |
| | [cmds] | |
| | S34= n | |
| | [cmds] | |
|--------------+----------| |
| Range: | 0-255 | |
|--------------+----------| |
| Description: | Controls | |
| | trellis | |
| | coding | |
| | options | |
|--------------+----------+----------------------------------|
| Bit | Value | Function |
|--------------+----------+----------------------------------|
| 0 | 0 | 8S-2D trellis encoding enabled |
| | | |
| | 1 | 8S-2D trellis encoding disabled |
|--------------+----------+----------------------------------|
| 1 | 0 | 16S-4D trellis encoding enabled |
| | | |
| | 1 | 16S-4D trellis encoding disabled |
|--------------+----------+----------------------------------|
| 2 | 0 | 32S-2D trellis encoding enabled |
| | | |
| | 1 | 32S-2D trellis encoding disabled |
|--------------+----------+----------------------------------|
| 3 | 0 | 64S-4D trellis encoding enabled |
| | | |
| | 1 | 64S-4D trellis encoding disabled |
|--------------+----------+----------------------------------|
| 4 | 0 | Non-linear coding enabled |
| | | |
| | 1 | Non-linear coding disabled |
|--------------+----------+----------------------------------|
| 5 | 0 | TX level deviation enabled |
| | | |
| | 1 | TX level deviation disabled |
|--------------+----------+----------------------------------|
| 6 | 0 | Pre-emphasis enabled |
| | | |
| | 1 | Pre-emphasis disabled |
|--------------+----------+----------------------------------|
| 7 | 0 | Pre-coding enabled |
| | | |
| | 1 | Pre-coding disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S41 |
|------------------------------------------------------------|
| Format: | AT [cmds] S41= n | |
| | [cmds] | |
|--------------+------------------| |
| Range: | Unidentified | |
|--------------+------------------| |
| Description: | Enables/disables | |
| | destinctive ring | |
|--------------+------------------+--------------------------|
| Bit | Value | Function |
|--------------+------------------+--------------------------|
| 0 | 0 | Distinctive ring |
| | | disabled |
| | 1 | |
| | | Distinctive ring enabled |
|--------------+------------------+--------------------------|
| 7 - 1 | 0 | Reserved |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK SEND |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S21= n [cmds] |
|--------------+---------------------------------------------|
| Range: | Unidentified |
|--------------+---------------------------------------------|
| Unit: | .01 second |
|--------------+---------------------------------------------|
| Description: | Sends break to modem |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL CHARACTER - XOFF |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S23= n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used to represent XOFF |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL CHARACTER - XON |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S22= n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used to represent XON |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S19= n [cmds] |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 minute |
|--------------+---------------------------------------------|
| Description: | Maximum duration of DTE and DCE inactivity |
| | allowed prior to initiating hang-up |
| | process. |
|------------------------------------------------------------|
| Note: S19=0 disables the timer and allows indefinite |
| inactivity. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES |
|------------------------------------------------------------|
| Type: | Register | |
|--------------+-----------------| |
| Format: | AT [cmds] S16= | |
| | n [cmds] | |
|--------------+-----------------| |
| Range: | 0-125 | |
|--------------+-----------------| |
| Unit: | Bit-mapped | |
|--------------+-----------------| |
| Description: | Controls | |
| | loopback tests, | |
| | analog, | |
| | digital, remote | |
| | digital, and | |
| | self tests. | |
|--------------+-----------------+---------------------------|
| Bit | Value | Function |
|--------------+-----------------+---------------------------|
| 0 | 0 | Not used |
|--------------+-----------------+---------------------------|
| 1 | 0 | Dial test not in progress |
| | | |
| | 1 | Dial test in progress |
|--------------+-----------------+---------------------------|
| 2 - 7 | 0 | Not Used |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.21 ANSWER MODE FALLBACK TIMER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S29= n [cmds] |
|--------------+---------------------------------------------|
| Range: | Unidentified |
|--------------+---------------------------------------------|
| Unit: | Unidentified |
|--------------+---------------------------------------------|
| Description: | Sets the amount of inacivity allowed in |
| | V.21 answer mode prior to initiating |
| | fallback |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.32 HANDSHAKE TIMER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S28= n [cmds] |
|--------------+---------------------------------------------|
| Range: | Unidentified |
|--------------+---------------------------------------------|
| Unit: | .1 second |
|--------------+---------------------------------------------|
| Description: | Sets the V.32 handshake time |
+------------------------------------------------------------+