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# RAD DATA COMMUNICATIONS, INC.
SRM-6SX
Card Type Modem (synchronous)
Chipset Unidentified
Maximum Data Rate 19.2Kbps
Data Bus Serial
Data Modulation Unidentified
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------+-------+-------------------------+-------|
| V.24 serial port | J1 | Line out via screw | SC1 |
| | | terminals (see pinout | |
| | | below) | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SC1 PINOUT |
|------------------------------------------------------------|
| Function | Screw | Function | Scre |
|----------------------+-------+----------------------+------|
| Ground | 1 | Transmit/receive | 3 |
| | | line | |
|----------------------+-------+----------------------+------|
| Transmit/receive | 2 | | |
| line | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLOCK SOURCE SELECTION |
|------------------------------------------------------------|
| Setting | JP1/A | JP1/B | JP1/C |
|-------------------------+-----------+-----------+----------|
| í Internal clock source | Closed | Open | Open |
|-------------------------+-----------+-----------+----------|
| External clock source | Open | Closed | Open |
|-------------------------+-----------+-----------+----------|
| Remote clock source | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SPEED SELECTION |
|------------------------------------------------------------|
| Setting | SW1 |
|-----------------------------+------------------------------|
| 900bps | Position 9 |
|-----------------------------+------------------------------|
| 1200bps | Position 8 |
|-----------------------------+------------------------------|
| 1800bps | Position 7 |
|-----------------------------+------------------------------|
| 2400bps | Position 6 |
|-----------------------------+------------------------------|
| 3600bps | Position 5 |
|-----------------------------+------------------------------|
| 4800bps | Position 4 |
|-----------------------------+------------------------------|
| 7200bps | Position 3 |
|-----------------------------+------------------------------|
| í 9600bps | Position 2 |
|-----------------------------+------------------------------|
| 14.4Kbps | Position 1 |
|-----------------------------+------------------------------|
| 19.2Kbps | Position 0 |
+------------------------------------------------------------+