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# RAD DATA COMMUNICATIONS, INC.
FOM-8/SMA
Card Type Modem (synchronous/asynchronous)
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 | CN1 | Line out via fiber | CN2 |
| | | optic SMA cable | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|-----------------------------------------+-------+----------|
| í Stop bit shortened by 12.5% in | SW1/1 | Off |
| asynchronous mode | | |
|-----------------------------------------+-------+----------|
| Stop bit shortened by 25% in | SW1/1 | On |
| asynchronous mode | | |
|-----------------------------------------+-------+----------|
| í CD signal forced high | SW1/4 | Off |
|-----------------------------------------+-------+----------|
| CD signal follows RTS | SW1/4 | On |
|-----------------------------------------+-------+----------|
| í Pin 18 of CN1 has no function | SW1/5 | Off |
|-----------------------------------------+-------+----------|
| Pin 18 of CN1 begins local analog | SW1/5 | On |
| loopback test | | |
|-----------------------------------------+-------+----------|
| í Pin 21 of CN1 has no function | SW1/6 | Off |
|-----------------------------------------+-------+----------|
| Pin 21 of CN1 begins remote digital | SW1/6 | On |
| loopback test | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CHARACTER LENGTH SELECTION |
|------------------------------------------------------------|
| Setting | SW1/2 | SW1/3 |
|--------------------+-------------------+-------------------|
| 8 bits | Off | Off |
|--------------------+-------------------+-------------------|
| 9 bits | Off | On |
|--------------------+-------------------+-------------------|
| í 10 bits | On | Off |
|--------------------+-------------------+-------------------|
| 11 bits | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SPEED SELECTION |
|------------------------------------------------------------|
| Setting | SW2 |
|-----------------------------+------------------------------|
| 1200bps | 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMIT CLOCK SOURCE SELECTION |
|------------------------------------------------------------|
| Setting | J1/A | J1/B | J1/C | J1/D |
|------------------------+--------+--------+--------+--------|
| Asynchronous mode | Closed | Open | Open | Open |
|------------------------+--------+--------+--------+--------|
| Remote clock source | Open | Closed | Open | Open |
|------------------------+--------+--------+--------+--------|
| í Internal clock | Open | Open | Closed | Open |
| source | | | | |
|------------------------+--------+--------+--------+--------|
| External clock source | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS TO CTS DELAY SELECTION |
|------------------------------------------------------------|
| Setting | J2/A | J2/B | J2/C |
|---------------+--------------+--------------+--------------|
| 0 mS | Open | Open | Closed |
|---------------+--------------+--------------+--------------|
| í 8 mS | Open | Closed | Open |
|---------------+--------------+--------------+--------------|
| 64 mS | Closed | Open | Open |
+------------------------------------------------------------+