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# RAD DATA COMMUNICATIONS
CMN-C11
Card Type Modem (asynchronous)
Chipset Unidentified
Maximum Data Rate 19.2Kbps
Data Modulation Unidentified
Data Bus Proprietary
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|---------------------+-------+----------------------+-------|
| Serial data port | CN1 | Loopback test switch | SW4 |
|---------------------+-------+----------------------+-------|
| Telephone line out | CN2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|----------------------------------------+-------+-----------|
| í Front panel switch may initiate | JP1 | Pins 1 & |
| remote loopback test | | 2 closed |
|----------------------------------------+-------+-----------|
| Front panel switch may not initiate | JP1 | Pins 3 & |
| remote loopback test | | 4 closed |
|----------------------------------------+-------+-----------|
| í Stop bit shortening for asynchronous | SW1/1 | Off |
| mode set to 12.5% | | |
|----------------------------------------+-------+-----------|
| Stop bit shortening for asynchronous | SW1/1 | On |
| mode set to 25% | | |
|----------------------------------------+-------+-----------|
| í DCD forced high | SW1/4 | On |
|----------------------------------------+-------+-----------|
| DCD follows RTS | SW1/4 | Off |
|----------------------------------------+-------+-----------|
| 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 | | |
|----------------------------------------+-------+-----------|
| í CN1 is DCE | SW3 | Off |
|----------------------------------------+-------+-----------|
| CN1 is DTE | SW3 | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS TO CTS DELAY SELECTION |
|------------------------------------------------------------|
| Setting | JP2/A | JP2/B | JP2/C |
|---------------+--------------+--------------+--------------|
| 0 mS | Closed | Open | Open |
|---------------+--------------+--------------+--------------|
| 8 mS | Open | Closed | Open |
|---------------+--------------+--------------+--------------|
| 68 mS | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-------+---------+---------+--------------------------------|
| PWR | Green | On | Power is on |
|-------+---------+---------+--------------------------------|
| PWR | Green | Off | Power is off |
|-------+---------+---------+--------------------------------|
| XMT | Yellow | On | Modem is transmitting data |
|-------+---------+---------+--------------------------------|
| XMT | Yellow | Off | Modem is not transmitting data |
|-------+---------+---------+--------------------------------|
| RCV | Yellow | On | Modem is receiving data |
|-------+---------+---------+--------------------------------|
| RCV | Yellow | Off | Modem is not receiving data |
|-------+---------+---------+--------------------------------|
| DCD | Yellow | On | Carrier signal detected |
|-------+---------+---------+--------------------------------|
| DCD | Yellow | Off | Carrier signal not detected |
|-------+---------+---------+--------------------------------|
| TST | Red | On | Modem is in test mode |
|-------+---------+---------+--------------------------------|
| TST | Red | Off | Modem is not in test mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTE |
|------------------------------------------------------------|
| This card is intended for use in the CMN-16 rack-mount |
| system. The bus is used only for supplying power for the |
| card. All other card functions are accessed through the |
| serial port. |
+------------------------------------------------------------+