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# RAD DATA COMMUNICATIONS
SRM-6FC
Modem Type Data (Asynchronous)
Maximum Data Rate 9600bps
Data Bus External
Data Modulation Protocol Proprietary
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| RS-232/422 | CN1 | Ground | GND |
|------------------+----------+-------------------+----------|
| Receive positive | +RCV | Transmit positive | +XMT |
|------------------+----------+-------------------+----------|
| Receive negative | -RCV | Transmit negative | -XMT |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ASYNCHRONOUS LENGTH |
|------------------------------------------------------------|
| Setting | JP1/A | JP1/B |
|------------+-----------------------+-----------------------|
| 8-bits | Position 1 & 2 closed | Position 1 & 2 closed |
|------------+-----------------------+-----------------------|
| 9-bits | Position 1 & 2 closed | Position 2 & 3 closed |
|------------+-----------------------+-----------------------|
| » 10-bits | Position 2 & 3 closed | Position 1 & 2 closed |
|------------+-----------------------+-----------------------|
| 11-bits | Position 2 & 3 closed | Position 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BAUD RATE |
|------------------------------------------------------------|
| Setting | SW1 |
|-------------------------------+----------------------------|
| » 9600bps | 0 |
|-------------------------------+----------------------------|
| 7200bps | 1 |
|-------------------------------+----------------------------|
| 4800bps | 2 |
|-------------------------------+----------------------------|
| 3600bps | 3 |
|-------------------------------+----------------------------|
| 2400bps | 4 |
|-------------------------------+----------------------------|
| 1800bps | 5 |
|-------------------------------+----------------------------|
| 1200bps | 6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DCE/DTE SELECTOR |
|------------------------------------------------------------|
| Setting | SW2 |
|-------------------------------+----------------------------|
| » DCE | On |
|-------------------------------+----------------------------|
| DTE | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Setting | JP1/C | JP1/D |
|------------+-----------------------+-----------------------|
| » RTS/DCD | Position 2 & 3 closed | Position 1 & 2 closed |
|------------+-----------------------+-----------------------|
| DTR/DSR | Position 1 & 2 closed | Position 2 & 3 closed |
|------------+-----------------------+-----------------------|
| Illegal | Position 2 & 3 closed | Position 2 & 3 closed |
|------------+-----------------------+-----------------------|
| Illegal | Position 1 & 2 closed | Position 1 & 2 closed |
+------------------------------------------------------------+