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# DIGI INTERNATIONAL, INC.
DATAFIRE GO! ST/V.34, DATAFIRE GO! U/V.34
Card Type Modem, Fax, ISDN
Chip Set Unidentified
Maximum Modem Rate Unidentified
ISDN Rate 128Kbps
Maximum Fax Rate 14.4Kbps
ISDN Protocols V.110, V.120, Rate Adaption Protocol,
Async-to-Sync PPP, PPP Multilink
Data Modulation V.34
Protocol
Fax Modulation Unidentified
Protocol
Error Unidentified
Correction/Compression
Fax Class Unidentified
Data Bus PCMCIA
55025
+------------------------------------------------------------+
| SUPPORTED COMMAND SET |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| AT, +++, A/ |
|------------------------------------------------------------|
| A, B, E, H, M, V, W, X |
|------------------------------------------------------------|
| &C, &G, &T, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \A, \B, \C, \G, \J |
|------------------------------------------------------------|
| %A |
|------------------------------------------------------------|
| S Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S18, S25 |
|------------------------------------------------------------|
| Note: See MHI Help File for full command documentation. |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| AUTO-MODE DETECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects various options for the automatic |
| | detection and negotiation of protocols |
| | during the handshake process if the modem |
| | is communicating with a remote modem of |
| | dissimilar speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| N0 | Auto-mode detection disabled |
|--------------+---------------------------------------------|
| í N1 | In originate mode, handshake begins at line |
| | speed designated by the S37 register. Modem |
| | can shift to a slower speed if necessary. |
| | |
| | In answer mode, handshake attempted with |
| | the following protocols in order - V.FC, |
| | V.32bis, V.32, V.22bis, V.22 or Bell 212, |
| | V.21, and Bell 103 |
|--------------+---------------------------------------------|
| N2 | In originate mode, handshake begins at line |
| | speed designated by the S37 register. Modem |
| | can shift to a slower speed if necessary. |
| | |
| | In answer mode, handshake attempted with |
| | the following protocols in order - V.FC, |
| | V.32bis, V.32, V.22bis, V.22 or Bell 212, |
| | V.23, V.21, and Bell 103. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK MODE CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &In [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the break mode options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &I0 | In sequence break, non-expedited |
|--------------+---------------------------------------------|
| &I1 | Immediate break without buffering by either |
| | modem |
|--------------+---------------------------------------------|
| &I2 | Expedited/destructive break. Data buffers |
| | at both ends are cleared. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONFIGURATION PROFILES |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &V [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays active and stored configuration |
| | profiles |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &V0 | Display stored profile 0 |
|--------------+---------------------------------------------|
| &V1 | Display stored profile 1 |
|--------------+---------------------------------------------|
| &V2 | Display stored profile 2 |
|--------------+---------------------------------------------|
| &V3 | Display stored profile 3 |
|--------------+---------------------------------------------|
| &V4 | Display stored phone numbers |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Un [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls data compression |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &U0 | Data compression disabled |
|--------------+---------------------------------------------|
| &U1 | Data compression enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DSR options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &S0 | DSR forced high |
|--------------+---------------------------------------------|
| í &S1 | DSR high only while modem is handshaking or |
| | connected |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA TERMINAL READY (DTR) |
|------------------------------------------------------------|
| Type: | Configuration |
|---------------+--------------------------------------------|
| Format: | AT [cmds] &Dn [cmds] |
|---------------+--------------------------------------------|
| Description: | Selects modem response to DTR |
|------------------------------------------------------------|
| Note: The action each variant of &D causes depends on |
| the setting of &Q |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| í &D0 | Modem does not respond to DTR |
|---------------+--------------------------------------------|
| &D1 | Modem goes to command mode after DTR goes |
| | is off |
|---------------+--------------------------------------------|
| &D2 | Modem goes to command mode and disconnects |
| | (hangs up) after DTR goes off; Auto-Answer |
| | is disabled. |
|---------------+--------------------------------------------|
| &D3 | Modem is initialized after DTR goes off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|--------------+---------------------------------------------|
| DL | Re-dial last number |
|--------------+---------------------------------------------|
| DP | Pulse dialing enabled |
|--------------+---------------------------------------------|
| DR | Answer mode enabled; originate mode |
| | disabled following handshake initiation. |
|--------------+---------------------------------------------|
| DS=n | 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 silence up to |
| | the time specified in S7, 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ERROR CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the error control fallback character |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &N0 | Disable fallback control character |
|--------------+---------------------------------------------|
| &N1 | Enable fallback control character |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY DEFAULT PROFILE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &F [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets values in active profile to values |
| | found in the default profile |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &F0 | Restore all commands and S-registers to |
| | factory settings except for ISDN network |
| | settings |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables flow control options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &K0 | Flow control disabled |
|--------------+---------------------------------------------|
| í &K3 | RTS/CTS flow control enabled |
|--------------+---------------------------------------------|
| &K4 | XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| &K8 | Unidirectional flow control |
|--------------+---------------------------------------------|
| &K12 | Bidirectional XON/XOFF flow control |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HOOK CONTROL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Hn [cmds] |
|--------------+---------------------------------------------|
| Description: | Hook control |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| H0 | Hang up |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON-LINE |
|------------------------------------------------------------|
| Type: | Immediate |
|---------------+--------------------------------------------|
| Format: | AT [cmds] On [cmds] |
|---------------+--------------------------------------------|
| Description: | Controls on-line command (data |
| | transmission) state options. |
|------------------------------------------------------------|
| Note: The O command must be placed at the end of the |
| command string. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| O0 | Return to data mode from online command |
| | mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports product code |
|--------------+---------------------------------------------|
| I1 | Reports ROM checksum |
|--------------+---------------------------------------------|
| I2 | Tests and reports ROM checksum |
|--------------+---------------------------------------------|
| I3 | Reports product and revision level |
|--------------+---------------------------------------------|
| I9 | Reports product information |
|--------------+---------------------------------------------|
| I10 | Reports current ISDN line configuration |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESTORE PROFILE ON POWER-UP |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Yn [cmds] |
|--------------+---------------------------------------------|
| Description: | Restores a selected profile into the active |
| | profile on power-up (hard reset) |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &Y0 | Restore profile 0 on power-up |
|--------------+---------------------------------------------|
| &Y1 | Restore profile 1 on power-up |
|--------------+---------------------------------------------|
| &Y2 | Restore profile 2 on power-up |
|--------------+---------------------------------------------|
| &Y3 | Restore profile 3 on power-up |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables modem to send result codes to the |
| | DTE |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í Q0 | Result code sending enabled |
|--------------+---------------------------------------------|
| Q1 | Result code sending disabled |
|--------------+---------------------------------------------|
| Q2 | Result codes in originate mode only |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SOFT RESET |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Zn [cmds] |
|--------------+---------------------------------------------|
| Description: | Restores modem profiles previously saved in |
| | non-volatile RAM using the &W command. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| Z0 | Restore setting 0 |
|--------------+---------------------------------------------|
| Z1 | Restore setting 1 |
|--------------+---------------------------------------------|
| Z2 | Restore setting 2 |
|--------------+---------------------------------------------|
| Z3 | Restore setting 3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORE ACTIVE PROFILE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Wn [cmds] |
|--------------+---------------------------------------------|
| Description: | Writes the values for the active profile |
| | into the non-volatile RAM |
|--------------+---------------------------------------------|
| 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 |
+------------------------------------------------------------+
Extended AT Commands
+------------------------------------------------------------+
| B1-CHANNEL PROVISIONING |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] !C4=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the B1-channel provisioning |
|------------------------------------------------------------|
| Command | Function |
|------------------------+-----------------------------------|
| !C4=0 | CSD |
|------------------------+-----------------------------------|
| !C4=1 | Voice mode |
|------------------------+-----------------------------------|
| !C4=2 | CSD and Voice mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| B2-CHANNEL PROVISIONING |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] !C5=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the B2-channel provisioning |
|------------------------------------------------------------|
| Command | Function |
|------------------------+-----------------------------------|
| !C5=0 | CSD |
|------------------------+-----------------------------------|
| !C5=1 | Voice mode |
|------------------------+-----------------------------------|
| !C5=2 | CSD and Voice mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|-------------------+----------------------------------------|
| Format: | AT [cmds] \Kn [cmds] |
|-------------------+----------------------------------------|
| Description: | Configures action of break signal |
|------------------------------------------------------------|
| Command | |
|-----------+------------------------------------------------|
| \K1 | Break sent to remote modem and buffered |
| | cleared |
|-----------+------------------------------------------------|
| \K3 | Send break to remote modem immediately |
|-----------+------------------------------------------------|
| \K5 | Send break with transmitted data |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the type of connection the modem |
| | will operate in |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode enabled |
|--------------+---------------------------------------------|
| \N1 | Direct mode enabled |
|--------------+---------------------------------------------|
| \N2 | Reliable mode enabled |
|--------------+---------------------------------------------|
| \N3 | Auto-reliable mode enabled |
|--------------+---------------------------------------------|
| \N4 | V.42 reliable mode enabled |
|--------------+---------------------------------------------|
| \N5 | V.42 auto-reliable mode |
|--------------+---------------------------------------------|
| \N6 | Reliable V.42/MNP |
|--------------+---------------------------------------------|
| \N7 | Auto-reliable V.42/MNP |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY FATAL ERROR |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \En [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays/clears the last fatal error |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \E0 | Displays the last fatal error |
|--------------+---------------------------------------------|
| \E1 | Clears the last fatal error |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SIGNAL LEVEL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %L [cmds] |
|--------------+---------------------------------------------|
| Description: | Returns a value which indicates the |
| | received line signal level |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %L0 | Return received line signal level in dB |
|--------------+---------------------------------------------|
| %L1 | Return data pump’s line status report |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SECOND DIRECTORY NUMBER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] !N2=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Second directory number (n= string of up to |
| | 20 characters; 0-9, #, *, A-D) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SECOND SPID |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] !C6=n [cmds] |
|--------------+---------------------------------------------|
| Description: | SPID identifier (n= string of up to 20 |
| | characters) |
+------------------------------------------------------------+
Special AT Commands
+------------------------------------------------------------+
| B2-CHANNEL PROVISIONING |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] ~Mn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the B2-channel provisioning |
|------------------------------------------------------------|
| Command | Function |
|---------------------+--------------------------------------|
| ~M1 | Enable DTE rate doubling |
|---------------------+--------------------------------------|
| ~M2 | Disable DTE rate doubling |
+------------------------------------------------------------+
ISDN Commands
+------------------------------------------------------------+
| BOOT SEQUENCE FLASH UPGRADE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %FBOOT |
|--------------+---------------------------------------------|
| Description: | Start the flash upgrade sequence. Upgrade |
| | code, including boot sequence |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FIRST DIRECTORY NUMBER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] !N1=n [cmds] |
|--------------+---------------------------------------------|
| Description: | First directory number (n= string of up to |
| | 20 characters; 0-9, #, *, A-D) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FIRST SPID |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] !C2=n [cmds] |
|--------------+---------------------------------------------|
| Description: | SPID identifier. (n= string of up to 20 |
| | characters) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLASH UPGRADE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %FAPPS |
|--------------+---------------------------------------------|
| Description: | Start the flash upgrade sequence. Upgrade |
| | code, except boot sector |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IGNORE KEYBOARD |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Q [cmds] |
|--------------+---------------------------------------------|
| Description: | Ignore keyboard abort on answer |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %Q0 | Disabled |
|--------------+---------------------------------------------|
| %Q1 | Enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MODEM-OVER-ISDN |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %On [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls modem-over-ISDN |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %O0 | ISDN data |
|--------------+---------------------------------------------|
| %O1 | |