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# LOGICODE TECHNOLOGY, INC.
QUICKTEL 2400H
Card Type Data (asynchronous)
Chip Set Unidentified
Maximum Data Rate 2400bps
Data Bus 8-bit ISA
Data Modulation Protocol Bell 103A/212A
ITU-T V.21, V.22, V.22bis
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line in | J1 | Line out | J2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ADDRESS |
|------------------------------------------------------------|
| Setting | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|-------------+-----------+-----------+-----------+----------|
| COM1 (3F8h) | On | Off | Off | Off |
|-------------+-----------+-----------+-----------+----------|
| COM2 (2F8h) | Off | On | Off | Off |
|-------------+-----------+-----------+-----------+----------|
| COM3 (3E8h) | Off | Off | On | Off |
|-------------+-----------+-----------+-----------+----------|
| COM4 (2E8h) | Off | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT |
|------------------------------------------------------------|
| Setting | SW1/5 | SW1/6 | W1 | W2 | W3 |
|----------+---------+---------+---------+---------+---------|
| 2 | Off | Off | Closed | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 3 | On | Off | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 4 | Off | On | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 5 | Off | Off | Open | Closed | Open |
|----------+---------+---------+---------+---------+---------|
| 7 | Off | Off | Open | Open | Closed |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S14 |
|------------------------------------------------------------|
| Format | AT [cmds] S14=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 170 |
|--------------+---------------------------------------------|
| Range: | 0-190 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Controls echo, result codes, result code |
| | display, smart/dumb mode, dial mode, and |
| | answer/originate mode. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | 0 | Not used |
|------+-------+---------------------------------------------|
| 1 | 0 | Command echo disabled |
| | | |
| | í 1 | Command echo enabled |
|------+-------+---------------------------------------------|
| 2 | í 0 | Result codes enabled |
| | | |
| | 1 | Result codes disabled |
|------+-------+---------------------------------------------|
| 3 | 0 | Display result codes in numeric format |
| | | |
| | í 1 | Display result codes in verbose format |
|------+-------+---------------------------------------------|
| 4 | í 0 | Smart mode |
| | | |
| | 1 | Dumb mode |
|------+-------+---------------------------------------------|
| 5 | 0 | Tone dial enabled |
| | | |
| | í 1 | Pulse dial enabled |
|------+-------+---------------------------------------------|
| 6 | 0 | Not used |
|------+-------+---------------------------------------------|
| 7 | 0 | Answer mode enabled |
| | | |
| | í 1 | Originate mode enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S21 |
|------------------------------------------------------------|
| Format | AT [cmds] S21=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| 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 | í 0 | Selects RJ-11, RJ-41S, or RJ45S jack |
| | | |
| | 1 | Selects RJ-12 or RJ-13 jack |
|------+-------+---------------------------------------------|
| 1 | 0 | Not used |
|------+-------+---------------------------------------------|
| 2 | í 0 | CTS follows RTS |
| | | |
| | 1 | CTS forced high |
|------+-------+---------------------------------------------|
| 4, 3 | í 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 | í 0 | DCD forced high |
| | | |
| | 1 | DCD normal |
|------+-------+---------------------------------------------|
| 6 | í 0 | DSR forced high |
| | | |
| | 1 | DSR normal |
|------+-------+---------------------------------------------|
| 7 | í 0 | Long space disconnect function disabled |
| | | |
| | 1 | Long space disconnect function enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S22 |
|------------------------------------------------------------|
| Format | AT [cmds] S22=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 118 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped. |
|--------------+---------------------------------------------|
| Description: | Controls volume and speaker settings, |
| | result codes, and make/break pulse ratio. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 1, 0 | 00 | Not used |
| | | |
| | 01 | Low volume setting |
| | | |
| | í 10 | Medium volume setting |
| | | |
| | 11 | Highest volume setting |
|------+-------+---------------------------------------------|
| 3, 2 | 00 | Speaker disabled |
| | | |
| | í 01 | Speaker enabled until carrier signal |
| | | detected |
| | 10 | |
| | | Speaker always on |
| | 11 | |
| | | Speaker enabled following dialing, then |
| | | disabled after carrier signal detected. |
|------+-------+---------------------------------------------|
| 6, 5 | 000 | Busy and dialtone detection disabled, |
| ,4 | | result codes 0-4 enabled |
| | 100 | |
| | | Busy and dialtone detection disabled, |
| | 101 | result codes 0-5, 10 enabled |
| | | |
| | 110 | Busy tone detection disabled, dialtone |
| | | detection enabled, result codes 0-6, 10 |
| | í 111 | enabled |
| | | |
| | | Busy tone detection enabled, dialtone |
| | | detection disabled, result codes 0-5, 7, 10 |
| | | enabled |
| | | |
| | | Busy and dialtone detection enabled, result |
| | | codes 0-7, 10 enabled |
|------+-------+---------------------------------------------|
| 7 | í 0 | 39/61ms at 10pps (North America) |
| | | |
| | 1 | 33/67ms at 10pps (Europe) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S23 |
|------------------------------------------------------------|
| Format | AT [cmds] S23=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 7 |
|--------------+---------------------------------------------|
| Range: | 0-183 |
|--------------+---------------------------------------------|
| 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 |
| | | |
| | í 1 | Remote digital loopback allowed |
|------+-------+---------------------------------------------|
| 2, 1 | 00 | Sets serial port speed to 0-300bps |
| | | |
| | 01 | Sets serial port speed to 600bps |
| | | |
| | 10 | Sets serial port speed to 1200bps |
| | | |
| | í 11 | Sets serial port speed to 2400bps |
|------+-------+---------------------------------------------|
| 3 | 0 | Not used |
|------+-------+---------------------------------------------|
| 5,4 | í 00 | Parity even |
| | | |
| | 01 | Space Parity |
| | | |
| | 10 | Parity odd |
| | | |
| | 11 | No Parity |
|------+-------+---------------------------------------------|
| 7, 6 | í 00 | Guard tone disabled |
| | | |
| | 01 | Guard tone 550Hz enabled |
| | | |
| | 10 | Guard tone 1800Hz enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S27 |
|------------------------------------------------------------|
| Format | AT [cmds] S27=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 64 |
|--------------+---------------------------------------------|
| Range: | 0-68 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Selects asynchronous mode, line type, and |
| | protocol type. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 1, 0 | í 00 | Asynchronous mode |
|------+-------+---------------------------------------------|
| 2 | í 0 | Switch line |
| | | |
| | 1 | Lease line |
|------+-------+---------------------------------------------|
| 5, | 00 | Not used |
| 4, 3 | | |
|------+-------+---------------------------------------------|
| 6 | 0 | Select CCITT protocols |
| | | |
| | í 1 | Select Bell protocols |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES |
|------------------------------------------------------------|
| Format | AT [cmds] S16=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-125 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Controls loopback tests, analog, digital, |
| | remote digital, and self tests. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | í 0 | Local analog loopback not in progress |
| | | |
| | 1 | Local analog loopback in progress |
|------+-------+---------------------------------------------|
| 1 | 0 | Not used |
|------+-------+---------------------------------------------|
| 2 | í 0 | Local digital loopback not in progress |
| | | |
| | 1 | Local digital loopback in progress |
|------+-------+---------------------------------------------|
| 3 | í 0 | Modem not in remote digital loopback |
| | | |
| | 1 | Remote digital loopback in progress |
|------+-------+---------------------------------------------|
| 4 | í 0 | Remote digital loopback not requested |
| | | |
| | 1 | Remote digital loopback requested |
|------+-------+---------------------------------------------|
| 5 | í 0 | Remote digital loopback w/ self-test not in |
| | | progress |
| | 1 | |
| | | Remote digital loopback w/ self-test in |
| | | progress |
|------+-------+---------------------------------------------|
| 6 | í 0 | Local analog loopback w/ self-test not in |
| | | progress |
| | 1 | |
| | | Local analog loopback w/ self-test in |
| | | progress |
+------------------------------------------------------------+