(TXT) View Source
# MOTOROLA, INC.
MODEMSURFR 28800 INTERNAL
Card Type Modem (asynchronous)/Fax
Chip Set Unidentified
Maximum Data Rate 28.8Kbps
Maximum Fax Rate 14.4Kbps
Data Bus 8-bit ISA
Fax Class Class I & II
Data Modulation Bell 103A/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis, V.34
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line out | CN1 | Line in | CN2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ADDRESS |
|------------------------------------------------------------|
| Setting | J1/A | J1/B |
|--------------------+-------------------+-------------------|
| COM1 (3F8h) | Closed | Closed |
|--------------------+-------------------+-------------------|
| COM2 (2F8h) | Closed | Open |
|--------------------+-------------------+-------------------|
| í COM3 (3E8h) | Open | Closed |
|--------------------+-------------------+-------------------|
| COM4 (2E8h) | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT |
|------------------------------------------------------------|
| Setting | J1/C | J1/D | J1/E | J1/F |
|------------+-----------+-----------+-----------+-----------|
| 2 | Closed | Open | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| 3 | Open | Open | Closed | Open |
|------------+-----------+-----------+-----------+-----------|
| 4 | Open | Open | Open | Closed |
|------------+-----------+-----------+-----------+-----------|
| í 5 | Open | Closed | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PLUG AND PLAY |
|------------------------------------------------------------|
| Setting | J2/A | J2/B | J2/C | J2/D |
|------------+-----------+-----------+-----------+-----------|
| í Disabled | Closed | Closed | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| Enabled | Open | Open | Closed | Closed |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| AUTO-RELIABLE FALLBACK CHARACTER |
|------------------------------------------------------------|
| Type: | Configuration |
|---------------+--------------------------------------------|
| Format: | AT [cmds] %An [cmds] |
|---------------+--------------------------------------------|
| Default: | Unidentified |
|---------------+--------------------------------------------|
| Range: | 1-127 |
|---------------+--------------------------------------------|
| Unit: | ASCII |
|---------------+--------------------------------------------|
| Description: | Sets the character used as the |
| | auto-reliable fallback character |
|------------------------------------------------------------|
| Note: %A0 Auto-reliable fallback character disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RELIABLE TIME BUFFER CONFIGURATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the handling of incoming data |
| | during auto-reliable time period |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \CO | Disabled auto-reliable buffer |
|--------------+---------------------------------------------|
| \C1 | Data is buffered for 4 seconds or 200 |
| | characters |
|--------------+---------------------------------------------|
| \C2 | Switch to normal mode and sends |
| | auto-reliable character to serial port |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO FALL FORWARD/FALLBACK |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Gn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects auto fallback/fall forward |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í %G0 | Fallback/fall forward disabled |
|--------------+---------------------------------------------|
| %G1 | Fallback/fall forward enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO FALLBACK CHARACTER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S43=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 13 |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Set auto fallback character during MNP |
| | negotiation |
|------------------------------------------------------------|
| Note: S43=0 disabled S43=(1-127) enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects data compression |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | Data compression disabled |
|--------------+---------------------------------------------|
| í %C1 | Data compression enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets connect mode |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode enabled |
|--------------+---------------------------------------------|
| \N1 | Direct mode enabled |
|--------------+---------------------------------------------|
| \N2 | MNP reliable mode enabled |
|--------------+---------------------------------------------|
| í \N3 | LAPM, MNP, or normal mode enabled |
|--------------+---------------------------------------------|
| \N4 | LAPM or MNP mode enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY CONNECT MESSAGE |
|------------------------------------------------------------|
| Type | Register |
|-------------+----------------------------------------------|
| Format | AT [cmds] S41? [cmds] |
|-------------+----------------------------------------------|
| Description | Displays connect message |
|-------------+----------------------------------------------|
| Command | Function |
|-------------+----------------------------------------------|
| í S41=0 | CONNECT/DTE to modem speed enabled |
|-------------+----------------------------------------------|
| S41=1 | CONNECT/carrier, protocol, and compression |
| | enabled |
|-------------+----------------------------------------------|
| S41=2 | CONNECT/modem to modem speed enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Gn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem port flow control |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \G0 | Flow control disabled |
|--------------+---------------------------------------------|
| \G1 | Flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets type of flow control used by modem |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \Q0 | Flow control disabled |
|--------------+---------------------------------------------|
| \Q1 | XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| \Q2 | CTS flow control by DTE enabled |
|--------------+---------------------------------------------|
| í \Q3 | CTS/RTS flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Tn [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-90 |
|--------------+---------------------------------------------|
| Unit: | 1 minute |
|--------------+---------------------------------------------|
| Description: | Sets the length of time that the modem does |
| | not receive information before it |
| | disconnects |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCK SERIAL PORT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Jn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets operation of serial port speed |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \J0 | Serial speed locked |
|--------------+---------------------------------------------|
| \J1 | Serial speed follows connect speed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MAXIMUM BLOCK SIZE FOR TRANSMISSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \An [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the maximum transmittable block size |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \A0 | MNP block size is 64 characters |
|--------------+---------------------------------------------|
| \A1 | MNP block size is 128 characters |
|--------------+---------------------------------------------|
| \A2 | MNP block size is 192 characters |
|--------------+---------------------------------------------|
| í \A3 | MNP block size is 256 characters |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Vn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects extended result codes |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \V0 | Extended result codes disabled |
|--------------+---------------------------------------------|
| \V1 | Extended result codes enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.32 RETRAIN |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S42=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects action the modem will take during |
| | bad line quality on V.32/32bis connection |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S42=0 | Auto-retrain disabled, hang up |
|--------------+---------------------------------------------|
| í S42=1 | Auto-retrain on line quality problem |
| | enabled |
|--------------+---------------------------------------------|
| S42=2 | Modem ignores line quality problems |
|--------------+---------------------------------------------|
| S42=3 | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.42 DETECTION PHASE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -Jn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls V.42 detection |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| -J0 | V.42 detection disabled |
|--------------+---------------------------------------------|
| í -J1 | V.42 detection enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.42bis COMPRESSION CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] "Hn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls V.42bis data compression |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| "H0 | V.42bis disabled |
|--------------+---------------------------------------------|
| "H1 | V.42bis when transmitting enabled |
|--------------+---------------------------------------------|
| "H2 | V.42bis when receiving enabled |
|--------------+---------------------------------------------|
| í "H3 | V.42bis when transmitting/receiving enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| XON/XOFF PASS-THROUGH |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Xn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether XON/XOFF signals are sent |
| | to remote modem |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \X0 | XON/XOFF signals trapped by local modem |
|--------------+---------------------------------------------|
| \X1 | XON/XOFF passed through local modem |
+------------------------------------------------------------+