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# PACKARD BELL
PB1200 PLUS
Modem Type Data (asynchronous)
Maximum Data Rate 1200bps
Data Bus External
Data Modulation Protocol Bell 103A/212A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Line out | CN1 | Volume | R1 |
|------------------+----------+-------------------+----------|
| RS-232/422 | CN2 | Power switch | SW1 |
|------------------+----------+-------------------+----------|
| DC power | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Settings | Label | Position |
|-------------------------------+-------------+--------------|
| í DTR forced high | SW2/1 | On |
|-------------------------------+-------------+--------------|
| DTR normal | SW2/1 | Off |
|-------------------------------+-------------+--------------|
| í Verbose result code enabled | SW2/2 | Off |
|-------------------------------+-------------+--------------|
| Verbose result code disabled | SW2/2 | On |
|-------------------------------+-------------+--------------|
| í Result codes enabled | SW2/3 | On |
|-------------------------------+-------------+--------------|
| Result codes disabled | SW2/3 | Off |
|-------------------------------+-------------+--------------|
| í Echo enabled | SW2/4 | Off |
|-------------------------------+-------------+--------------|
| Echo disabled | SW2/4 | On |
|-------------------------------+-------------+--------------|
| í Auto answer enabled | SW2/5 | Off |
|-------------------------------+-------------+--------------|
| Auto answer disabled | SW2/5 | On |
|-------------------------------+-------------+--------------|
| í CD forced high | SW2/6 | On |
|-------------------------------+-------------+--------------|
| CD normal | SW2/6 | Off |
|-------------------------------+-------------+--------------|
| í RJ11 jack selected | SW2/7 | Off |
|-------------------------------+-------------+--------------|
| RJ12/13 jack selected | SW2/7 | On |
|-------------------------------+-------------+--------------|
| í AT command set enabled | SW2/8 | On |
|-------------------------------+-------------+--------------|
| AT command set disabled | SW2/8 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+-------+----------+-----------------------------------|
| HS | Red | On | Modem is operating at 1200bps |
|-----+-------+----------+-----------------------------------|
| HS | Red | Off | Modem is operating at slower than |
| | | | 1200bps |
|-----+-------+----------+-----------------------------------|
| AA | Red | On | Auto-answer enabled |
|-----+-------+----------+-----------------------------------|
| AA | Red | Off | Auto-answer disabled |
|-----+-------+----------+-----------------------------------|
| AA | Red | Blinking | Phone is ringing |
|-----+-------+----------+-----------------------------------|
| CD | Red | On | Carrier signal detected |
|-----+-------+----------+-----------------------------------|
| CD | Red | Off | Carrier signal not detected |
|-----+-------+----------+-----------------------------------|
| OH | Red | On | Modem is off-hook |
|-----+-------+----------+-----------------------------------|
| OH | Red | Off | Modem is on-hook |
|-----+-------+----------+-----------------------------------|
| RD | Red | On | Modem is receiving data |
|-----+-------+----------+-----------------------------------|
| RD | Red | Off | Modem is not receiving data |
|-----+-------+----------+-----------------------------------|
| SD | Red | On | Modem is transmitting data |
|-----+-------+----------+-----------------------------------|
| SD | Red | Off | Modem is not transmitting data |
|-----+-------+----------+-----------------------------------|
| TR | Red | On | DTR signal is high |
|-----+-------+----------+-----------------------------------|
| TR | Red | Off | DTR signal is low |
|-----+-------+----------+-----------------------------------|
| MR | Red | On | Power is on |
|-----+-------+----------+-----------------------------------|
| MR | Red | Off | Power is off |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S13 |
|------------------------------------------------------------|
| Format | AT [cmds] S13? [cmds] |
|-----------------+------------------------------------------|
| Default: | Read-only |
|-----------------+------------------------------------------|
| Range: | 0-255 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Displays basic/extended result codes , |
| | parity, and buffer overflow. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+--------+----------------------------------------|
| 0 | 0 | Not used. |
|----------+--------+----------------------------------------|
| 1 | 0 | Basic result code enabled. |
| | | |
| | 1 | Extended result code enabled. |
|----------+--------+----------------------------------------|
| 2 | 0 | Disable Parity. |
| | | |
| | 1 | Enable Parity. |
|----------+--------+----------------------------------------|
| 3 | 0 | Odd Parity. |
| | | |
| | 1 | Even Parity. |
|----------+--------+----------------------------------------|
| 4 | 0 | 7 data bits. |
| | | |
| | 1 | 8 data bits. |
|----------+--------+----------------------------------------|
| 5 | 0 | Not used. |
|----------+--------+----------------------------------------|
| 6 | 0 | Buffer overflow flag disabled. |
| | | |
| | 1 | Buffer overflow flag enabled; ERROR is |
| | | displayed. |
|----------+--------+----------------------------------------|
| 7 | 0 | Space Parity. |
| | | |
| | 1 | Mark Parity. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S14 |
|------------------------------------------------------------|
| Format | AT [cmds] S14? [cmds] |
|----------------+-------------------------------------------|
| Default: | Read-only |
|----------------+-------------------------------------------|
| Range: | 0-255 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Displays status of switch 5, echo, result |
| | codes and format, command recognition, |
| | dial option, and speaker options. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+-------+-----------------------------------------|
| 0 | 0 | Auto-answer disabled. |
| | | |
| | 1 | Auto-answer enabled. |
|----------+-------+-----------------------------------------|
| 1 | 0 | Disable local echo. |
| | | |
| | 1 | Enable local echo. |
|----------+-------+-----------------------------------------|
| 2 | 0 | Enable result codes. |
| | | |
| | 1 | Disable result codes. |
|----------+-------+-----------------------------------------|
| 3 | 0 | Numeric result code. |
| | | |
| | 1 | Verbose result code. |
|----------+-------+-----------------------------------------|
| 4 | 0 | Enable command recognition; switch 8 - |
| | | On. |
| | 1 | |
| | | Disable command recognition; switch 8 - |
| | | Off. |
|----------+-------+-----------------------------------------|
| 5 | 0 | Tone dial. |
| | | |
| | 1 | Pulse dial. |
|----------+-------+-----------------------------------------|
| 6 | 0 | Speaker off. |
| | | |
| | 1 | Speaker off on carrier. |
|----------+-------+-----------------------------------------|
| 7 | 0 | Speaker off. |
| | | |
| | 1 | Speaker always on. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S15 |
|------------------------------------------------------------|
| Format | AT [cmds] S15? [cmds] |
|-----------------+------------------------------------------|
| Default: | Read-only |
|-----------------+------------------------------------------|
| Range: | 0-255 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Displays data rate, answer/originate |
| | mode, and carrier signal. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+----------------+-------------------------------|
| 1, 0 | 00 | Not used. |
| | | |
| | 01 | 110bps. |
| | | |
| | 10 | 300bps. |
| | | |
| | 11 | 1200bps. |
|-----------+----------------+-------------------------------|
| 2 | 0 | Answer mode. |
| | | |
| | 1 | Originate mode. |
|-----------+----------------+-------------------------------|
| 3 | 0 | Half duplex. |
| | | |
| | 1 | Full duplex. |
|-----------+----------------+-------------------------------|
| 5, 4 | 00 | Not used. |
| | | |
| | 01 | 110bps. |
| | | |
| | 10 | 300bps. |
| | | |
| | 11 | 1200bps. |
|-----------+----------------+-------------------------------|
| 6 | 0 | Carrier disabled. |
| | | |
| | 1 | Carrier enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S16=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls loopback tests; analog, digital, |
| | and self tests. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S16=0 | Normal mode. |
|--------------+---------------------------------------------|
| S16=1 | Analog loopback test enabled. |
|--------------+---------------------------------------------|
| S16=2 | DTMF tone test enabled. |
|--------------+---------------------------------------------|
| S16=4 | Digital loopback test enabled. |
+------------------------------------------------------------+