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# PATTON ELECTRONICS COMPANY
1140
Modem Type Data (synchronous/asynchronous)
Maximum Data Rate 38.4Kbps
Data Bus External
Data Modulation Protocol Proprietary
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Line out | CN1 | RS-232/422 | CN3 |
|------------------+----------+-------------------+----------|
| Line in | CN2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CARRIER CONTROL |
|------------------------------------------------------------|
| Setting | SW3/H |
|-------------------------------+----------------------------|
| » Always on | Off |
|-------------------------------+----------------------------|
| Follows RTS | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLOCK SOURCE |
|------------------------------------------------------------|
| Setting | SW3/E | SW3/F |
|---------------------+-------------------+------------------|
| » Internal transmit | On | On |
|---------------------+-------------------+------------------|
| Receive recover | Off | On |
|---------------------+-------------------+------------------|
| External transmit | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA RATE FLUCTUATION ALLOWED |
|------------------------------------------------------------|
| Setting | SW4/C |
|-------------------------------+----------------------------|
| -2.5% to 1% | Off |
|-------------------------------+----------------------------|
| » -2.5% to 2.3% | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOOPBACK TEST SELECT |
|------------------------------------------------------------|
| Setting | SW2 |
|-------------------------------+----------------------------|
| Local analog loopback | 1 |
|-------------------------------+----------------------------|
| Normal operation | 2 |
|-------------------------------+----------------------------|
| Remote digital loopback | 3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MODE |
|------------------------------------------------------------|
| Setting | SW3/G |
|-------------------------------+----------------------------|
| » Asynchronous | On |
|-------------------------------+----------------------------|
| Synchronous | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS/CTS DELAY |
|------------------------------------------------------------|
| Setting | SW4/D | SW4/E |
|--------------------+-------------------+-------------------|
| » 7ms | On | On |
|--------------------+-------------------+-------------------|
| 53ms | Off | On |
|--------------------+-------------------+-------------------|
| Disabled | On | Off |
|--------------------+-------------------+-------------------|
| Disabled | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEED |
|------------------------------------------------------------|
| Setting | SW3/A | SW3/B | SW3/C | SW3/D |
|------------+-----------+-----------+-----------+-----------|
| 1.2Kbps | On | On | On | On |
|------------+-----------+-----------+-----------+-----------|
| 1.8Kbps | Off | On | On | On |
|------------+-----------+-----------+-----------+-----------|
| 2.4Kbps | On | Off | On | On |
|------------+-----------+-----------+-----------+-----------|
| 3.6Kbps | Off | Off | On | On |
|------------+-----------+-----------+-----------+-----------|
| 4.8Kbps | On | On | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 7.2Kbps | Off | On | Off | On |
|------------+-----------+-----------+-----------+-----------|
| » 9.6Kbps | On | Off | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 14.4Kbps | Off | Off | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 19.2Kbps | On | On | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 28.8Kbps | Off | On | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 38.4Kbps | On | On | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 57.6Kbps | Off | On | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST SELECT |
|------------------------------------------------------------|
| Setting | SW1 |
|-------------------------------+----------------------------|
| Generate 511 test pattern | 1 |
|-------------------------------+----------------------------|
| Normal operation | 2 |
|-------------------------------+----------------------------|
| Generate 511E test pattern | 3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.54 LOOPBACK TEST |
|------------------------------------------------------------|
| Setting | SW4/H |
|-------------------------------+----------------------------|
| » Enabled | Off |
|-------------------------------+----------------------------|
| Disabled | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| WORD LENGTH |
|------------------------------------------------------------|
| Setting | SW4/A | SW4/B |
|--------------------+-------------------+-------------------|
| 8 bit | Off | On |
|--------------------+-------------------+-------------------|
| 9 bit | On | On |
|--------------------+-------------------+-------------------|
| » 10 bit | Off | Off |
|--------------------+-------------------+-------------------|
| 11 bit | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED SETTINGS |
|------------------------------------------------------------|
| Switch | Setting |
|-----------------------------+------------------------------|
| SW4/F | Not used |
|-----------------------------+------------------------------|
| SW4/G | Not used |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-------+-------+----------+---------------------------------|
| ERROR | Red | Blinking | Errors detected during V.54 |
| | | | test |
|-------+-------+----------+---------------------------------|
| ERROR | Red | On | Test pattern generator |
| | | | functional |
|-------+-------+----------+---------------------------------|
| ERROR | Red | Off | Normal operation |
|-------+-------+----------+---------------------------------|
| TEST | Red | On | Local analog loopback test in |
| | | | progress |
|-------+-------+----------+---------------------------------|
| TEST | Red | Off | Normal operation |
+------------------------------------------------------------+