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# PATTON ELECTRONICS COMPANY
1226
Modem Type Data (parallel)
Maximum Data Rate 57.6Kbps
Data Bus External
Data Modulation Protocol Proprietary
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Line in | CN1 | Transmit | CN4 |
|--------------------+----------+-----------------+----------|
| RS-232/422 | CN2 | Ground | CN5 |
|--------------------+----------+-----------------+----------|
| DC power | CN3 | Receive | CN6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA, PARITY, STOP BITS |
|------------------------------------------------------------|
| Setting | SW1/D | SW1/E | SW1/F |
|---------------------------+----------+----------+----------|
| 7 bits, even, 1 stop bit | On | On | On |
|---------------------------+----------+----------+----------|
| 7 bits, odd, 1 stop bit | On | On | Off |
|---------------------------+----------+----------+----------|
| 7 bits, null, 2 stop bit | On | Off | On |
|---------------------------+----------+----------+----------|
| 7 bits, even, 2 stop bits | On | Off | Off |
|---------------------------+----------+----------+----------|
| 7 bits, odd, 2 stop bits | On | On | On |
|---------------------------+----------+----------+----------|
| 8 bits, even, 1 stop bit | Off | On | Off |
|---------------------------+----------+----------+----------|
| 8 bits, odd, 1 stop bit | Off | Off | On |
|---------------------------+----------+----------+----------|
| 8 bits, null, 1 stop bit | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Setting | SW1/H |
|-------------------------------+----------------------------|
| Hardware | Off |
|-------------------------------+----------------------------|
| Software | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEED |
|------------------------------------------------------------|
| Setting | SW1/A | SW1/B | SW1/C |
|---------------+--------------+--------------+--------------|
| 1200bps | On | Off | Off |
|---------------+--------------+--------------+--------------|
| 2400bps | On | Off | On |
|---------------+--------------+--------------+--------------|
| 4800bps | Off | On | On |
|---------------+--------------+--------------+--------------|
| 9600bps | On | On | Off |
|---------------+--------------+--------------+--------------|
| 19.2kbps | On | On | On |
|---------------+--------------+--------------+--------------|
| 38.4kbps | Off | Off | Off |
|---------------+--------------+--------------+--------------|
| 57.6kbps | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STATUS LED CODES |
|------------------------------------------------------------|
| Status | Code |
|---------------------------------------------+--------------|
| DCE is sending data | **—* |
|---------------------------------------------+--------------|
| Power on, initialization complete | * |
|---------------------------------------------+--------------|
| Parallel connection is good | ** |
|---------------------------------------------+--------------|
| Printer not ready, data in buffer | *—* |
|---------------------------------------------+--------------|
| Data lost | **** |
|------------------------------------------------------------|
| Note: * indicates LED on. — indicates LED off. Each |
| pattern is repeated after a pause. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED SETTINGS |
|------------------------------------------------------------|
| Switch | Setting |
|------------------------------+-----------------------------|
| SW1/G | N/A |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|---------+-----------+----------+---------------------------|
| PWR | Green | On | Power is on |
|---------+-----------+----------+---------------------------|
| PWR | Red | Off | Power is off |
|---------+-----------+----------+---------------------------|
| TD | Red | On | Modem is not transmitting |
| | | | data |
|---------+-----------+----------+---------------------------|
| TD | Red | Off | Modem connection is |
| | | | broken |
|---------+-----------+----------+---------------------------|
| TD | Red/Green | Blinking | Modem is transmitting |
| | | | data |
|---------+-----------+----------+---------------------------|
| RD | Red | On | Modem is not receiving |
| | | | data |
|---------+-----------+----------+---------------------------|
| RD | Red | Off | Modem connection is |
| | | | broken |
|---------+-----------+----------+---------------------------|
| RD | Red/Green | Blinking | Modem is receiving data |
|---------+-----------+----------+---------------------------|
| CONTROL | Red | On | Control signal is low |
| IN | | | |
|---------+-----------+----------+---------------------------|
| CONTROL | Green | Off | Control signal is high |
| IN | | | |
|---------+-----------+----------+---------------------------|
| CONTROL | Red | On | Control signal is low |
| OUT | | | |
|---------+-----------+----------+---------------------------|
| CONTROL | Green | Off | Control signal is high |
| OUT | | | |
|---------+-----------+----------+---------------------------|
| STATUS | Green | Blinking | See Status table |
+------------------------------------------------------------+