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# CALPAK CORPORATION
MX-2400SF
Modem Type Data (synchronous/asynchronous)/Fax
Maximum Data Rate 2400bps
Maximum Fax Rate 9600bps
Data Bus 8-bit ISA
Fax Class Unidentifed
Data Modulation Protocol Unidentifed
Fax Modulation Protocol ITU-T V.21, V.27ter
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Line out | CN1 | Line in | CN2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION |
|------------------------------------------------------------|
| Port | SW1/A | SW1/C | SW1/E | SW1/F |
|----------------+----------+----------+----------+----------|
| » COM1: (3F8h) | Off | On | Off | On |
|----------------+----------+----------+----------+----------|
| COM2: (2F8h) | On | Off | Off | On |
|----------------+----------+----------+----------+----------|
| COM3: (3E8h) | Off | On | On | Off |
|----------------+----------+----------+----------+----------|
| COM4: (2E8h) | On | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | SW/B | SW1/D | JP1 |
|------------+-------------+-------------+-------------------|
| 3 | On | Off | Pins 2 & 4 closed |
|------------+-------------+-------------+-------------------|
| » 4 | Off | On | Pins 2 & 4 closed |
|------------+-------------+-------------+-------------------|
| 5 | Off | Off | Pins 3 & 4 closed |
|------------+-------------+-------------+-------------------|
| 7 | Off | Off | Pins 1 & 2 closed |
|------------------------------------------------------------|
| Note: Location of JP1 is unidentified. |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S14 |
|------------------------------------------------------------|
| Format | AT [cmds] S14=n [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS14=0<CR> |
|-----------------+------------------------------------------|
| Default: | Unidentified |
|-----------------+------------------------------------------|
| Range: | 0-174 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Controls echo, result codes, result code |
| | display, dial mode, and answer/originate |
| | mode. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+------------+------------------------------------|
| 0 | 0 | Not used. |
|----------+------------+------------------------------------|
| 1 | 0 | Command echo disabled. |
| | | |
| | 1 | Command echo enabled. |
|----------+------------+------------------------------------|
| 2 | 0 | Result codes enabled. |
| | | |
| | 1 | Result codes disabled. |
|----------+------------+------------------------------------|
| 3 | 0 | Display result codes in numeric |
| | | format. |
| | 1 | |
| | | Display result codes in verbose |
| | | format. |
|----------+------------+------------------------------------|
| 4 | 0 | Smart mode. |
| | | |
| | 1 | Dumb mode. |
|----------+------------+------------------------------------|
| 5 | 0 | Tone dial enabled. |
| | | |
| | 1 | Pulse dial enabled. |
|----------+------------+------------------------------------|
| 6 | 0 | Not used. |
|----------+------------+------------------------------------|
| 7 | 0 | Answer mode enabled. |
| | | |
| | 1 | Originate mode enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S21 |
|------------------------------------------------------------|
| Format | AT [cmds] S21=n [cmds] |
|----------------+-------------------------------------------|
| Example: | ATS21=0<CR> |
|----------------+-------------------------------------------|
| Default: | Unidentified |
|----------------+-------------------------------------------|
| Range: | 0-253 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Selects jack type, CTS signal, low DTR |
| | action, DCD signal, DSR signal, and the |
| | Long Space Disconnect function. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+-------+-----------------------------------------|
| 0 | 0 | Selects RJ-11 jack. |
| | | |
| | 1 | Not used. |
|----------+-------+-----------------------------------------|
| 1 | 0 | Serial |
| | | |
| | 1 | Parallel |
|----------+-------+-----------------------------------------|
| 2 | 0 | CTS follows RTS. |
| | | |
| | 1 | CTS forced high. |
|----------+-------+-----------------------------------------|
| 4, 3 | 00 | DTR signal ignored. |
| | | |
| | 01 | Modem goes to command mode on low DTR. |
| | | |
| | 10 | Modem disconnects on low DTR. |
| | | Auto-Answer is disabled. |
| | 11 | |
| | | Modem is initialized on low DTR. |
|----------+-------+-----------------------------------------|
| 5 | 0 | DCD forced high. |
| | | |
| | 1 | DCD normal. |
|----------+-------+-----------------------------------------|
| 6 | 0 | DSR forced high. |
| | | |
| | 1 | DSR normal. |
|----------+-------+-----------------------------------------|
| 7 | 0 | Long Space Disconnect function |
| | | disabled. |
| | 1 | |
| | | Long Space Disconnect function enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S22 |
|------------------------------------------------------------|
| Format | AT [cmds] S22=n [cmds] |
|----------------+-------------------------------------------|
| Example: | ATS22=0<CR> |
|----------------+-------------------------------------------|
| Default: | Unidentified |
|----------------+-------------------------------------------|
| Range: | 0-127 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Controls speaker volume and controls, and |
| | limits results codes. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+-------+----------------------------------------|
| 1, 0 | 00 | Off volume. |
| | | |
| | 01 | On volume. |
| | | |
| | 10 | Medium level volume. |
| | | |
| | 11 | High level volume. |
|-----------+-------+----------------------------------------|
| 3, 2 | 00 | Speaker off. |
| | | |
| | 01 | Speaker off on carrier. |
| | | |
| | 10 | Speaker always on. |
| | | |
| | 11 | Speaker on during handshake. |
|-----------+-------+----------------------------------------|
| 6, 5, 4 | 000 | Basic result codes only enabled. |
| | | |
| | 100 | Basic and connection speed result |
| | | codes enabled. |
| | 101 | |
| | | Basic and connection speed result |
| | 110 | codes and dialtone detection enabled. |
| | | |
| | 111 | All result codes except dialtone |
| | | detection enabled. |
| | | |
| | | All result codes enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S23 |
|------------------------------------------------------------|
| Format | AT [cmds] S23=n [cmds] |
|------------------+-----------------------------------------|
| Example: | ATS23=0<CR> |
|------------------+-----------------------------------------|
| Default: | Unidentified |
|------------------+-----------------------------------------|
| Range: | 0-189 |
|------------------+-----------------------------------------|
| Unit: | Bit-mapped |
|------------------+-----------------------------------------|
| Description: | Grants/denies remote digital loopback, |
| | controls DTE rate and parity, and sets |
| | guard tone. |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------+--------+--------------------------------------|
| 0 | 0 | Remote digital loopback denied. |
| | | |
| | 1 | Remote digital loopback allowed. |
|------------+--------+--------------------------------------|
| 3, 2, 1 | 000 | Sets serial port speed to 0-300bps. |
| | 001 | |
| | 010 | Sets serial port speed to 600bps. |
| | 011 | |
| | | Sets serial port speed to 1200bps. |
| | | |
| | | Sets serial port speed to 2400bps. |
|------------+--------+--------------------------------------|
| 5,4 | 00 | Parity even. |
| | | |
| | 01 | Space Parity. |
| | | |
| | 10 | Parity odd. |
| | | |
| | 11 | Mark/No Parity. |
|------------+--------+--------------------------------------|
| 7, 6 | 00 | Guard tone disabled. |
| | | |
| | 01 | Guard tone 550Hz enabled. |
| | | |
| | 10 | Guard tone 1800Hz enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S27 |
|------------------------------------------------------------|
| Format | AT [cmds] S27=n [cmds] |
|-----------------+------------------------------------------|
| Example: | AT S27=0 <CR> |
|-----------------+------------------------------------------|
| Default: | Unidentified |
|-----------------+------------------------------------------|
| Range: | 0 - 108 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Selects sync/async mode, Line type, |
| | internal clock, and ITU-T/Bell modes. |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------+-------+---------------------------------------|
| 3, 1, 0 | 000 | Asynchronous mode, serial port speed |
| | | follows connect speed. |
| | 001 | |
| | | Asynchronous command mode and |
| | 010 | synchronous connect mode. |
| | | |
| | 011 | Asynchronous command mode and |
| | | synchronous connect mode, DTR dialing |
| | 100 | enabled. |
| | | |
| | | Asynchronous command mode on low DTR, |
| | | synchronous connect mode on high DTR. |
| | | |
| | | Hayes AutoSync™ mode - serial port |
| | | locked at 9600bps. |
|------------+-------+---------------------------------------|
| 2 | 0 | Dial up line. |
| | | |
| | 1 | Leased line. |
|------------+-------+---------------------------------------|
| 5, 4 | 00 | Internal DCE transmit clock source. |
| | | |
| | 01 | External DTE transmit clock source. |
| | | |
| | 10 | Remote DCE transmit clock source. |
|------------+-------+---------------------------------------|
| 6 | 0 | CCITT mode. |
| | | |
| | 1 | Bell mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ENTRY FORMAT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +En [cmds] |
|--------------+---------------------------------------------|
| Example: | AT +E1 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Selects format flag. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| +E0 | Reset format flag enabled. |
|--------------+---------------------------------------------|
| +E1 | Binary format flag enabled. |
|--------------+---------------------------------------------|
| +E2 | Hex format flag enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FAX MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +Fn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT +F1 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Controls fax mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| +F0 | Fax mode disabled. |
|--------------+---------------------------------------------|
| +F1 | Fax mode enabled, DTE rate set to nbps. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +Kn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT +K4 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Sets type of flow control used by DTE. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| +K0 | Flow control disabled. |
|--------------+---------------------------------------------|
| +K3 | CTS flow control to DTE enabled. |
|--------------+---------------------------------------------|
| +K4 | XON/XOFF flow control enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON/OFF FAX TRANSMITTER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +Dn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT +D2 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Controls fax transmitter. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| +D0 | Fax transmitter disabled. |
|--------------+---------------------------------------------|
| +D1 | Fax transmitter V.21 enabled. |
|--------------+---------------------------------------------|
| +D2 | Fax transmitter V.27/2400bps enabled. |
|--------------+---------------------------------------------|
| +D3 | Fax transmitter V.27/4800bps enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PAGES TO TRANSMIT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +Pn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT+P6<CR> |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | 1-255 |
|--------------+---------------------------------------------|
| Unit: | 1 page |
|--------------+---------------------------------------------|
| Description: | Sets the number of pages to be transmitted. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESOLUTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +Rn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT +R0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Controls the resolution of fax transmission |
| | and receiving. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| +R0 | Normal resolution enabled. |
|--------------+---------------------------------------------|
| +R1 | Fine resolution enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +Bn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT +B5 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Selects fax baud rate. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| +B4 | Transmit at 2400bps |
|--------------+---------------------------------------------|
| +B5 | Transmit at 4800bps |
|--------------+---------------------------------------------|
| +B6 | Transmit at 7200bps. |
|--------------+---------------------------------------------|
| +B7 | Transmit at 9600bps. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES |
|------------------------------------------------------------|
| Format | AT [cmds] S16=n [cmds] |
|---------------+--------------------------------------------|
| Example: | ATS16=0<CR> |
|---------------+--------------------------------------------|
| Default: | Unidentified |
|---------------+--------------------------------------------|
| Range: | 0-125 |
|---------------+--------------------------------------------|
| Unit: | Bit-mapped |
|---------------+--------------------------------------------|
| Description: | Controls loopback tests, analog, digital, |
| | remote digital, and self tests. |
|------------------------------------------------------------|
| Bit | Value | Function |
|---------+-------+------------------------------------------|
| 0 | 0 | Local analog loopback not in progress. |
| | | |
| | 1 | Local analog loopback in progress. |
|---------+-------+------------------------------------------|
| 1 | 0 | Not used. |
|---------+-------+------------------------------------------|
| 2 | 0 | Local digital loopback not in progress. |
| | | |
| | 1 | Local digital loopback in progress. |
|---------+-------+------------------------------------------|
| 3 | 0 | Modem not in remote digital loopback. |
| | | |
| | 1 | Remote digital loopback in progress. |
|---------+-------+------------------------------------------|
| 4 | 0 | Remote digital loopback not requested. |
| | | |
| | 1 | Remote digital loopback requested. |
|---------+-------+------------------------------------------|
| 5 | 0 | Remote digital loopback w/ self-test not |
| | | in progress. |
| | 1 | |
| | | Remote digital loopback w/ self-test in |
| | | progress. |
|---------+-------+------------------------------------------|
| 6 | 0 | Local analog loopback w/ self-test not |
| | | in progress. |
| | 1 | |
| | | Local analog loopback w/ self-test in |
| | | progress. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +Tn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT +T1 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Selects the type of test the fax will |
| | perform. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| +T0 | Test mode disabled. |
|--------------+---------------------------------------------|
| +T1 | Test mode 1, reports frames received in |
| | ASCII Hex. |
|--------------+---------------------------------------------|
| +T2 | Test mode 2; reports frames received in |
| | ASCII Hex, KDV output follows CD in fax CPM |
| | mode. |
+------------------------------------------------------------+