TEXT View Source
# RAD DATA COMMUNICATIONS
CMN-C423/422
Card Type Serial interface converter
Chipset Unidentified
I/O Options Serial port
Maximum Data Rate 19.2Kbps
Data Bus Proprietary
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-------------------------+-------+------------------+-------|
| RS-423 DTE serial data | CN1 | Ground | SC1 |
| port | | | |
|-------------------------+-------+------------------+-------|
| RS-422 DCE serial data | CN2 | Test mode switch | SW1 |
| port | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|----------------------------------------+-------+-----------|
| » | Receive line connected with 100 | JP1 | Pins 2 & |
| | ohm impedance | | 3 closed |
|---+------------------------------------+-------+-----------|
| | Receive line not connected with | JP1 | Pins 1 & |
| | 100 ohm impedance | | 2 closed |
|---+------------------------------------+-------+-----------|
| » | Test switch enabled | JP2 | Pins 1 & |
| | | | 2 closed |
|---+------------------------------------+-------+-----------|
| | Test switch disabled | JP2 | Pins 2 & |
| | | | 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-------+---------+---------+--------------------------------|
| PWR | Green | On | Power is on |
|-------+---------+---------+--------------------------------|
| PWR | Green | Off | Power is off |
|-------+---------+---------+--------------------------------|
| TD | Yellow | On | Modem is transmitting data |
|-------+---------+---------+--------------------------------|
| TD | Yellow | Off | Modem is not transmitting data |
|-------+---------+---------+--------------------------------|
| RX | Yellow | On | Modem is receiving data |
|-------+---------+---------+--------------------------------|
| RX | Yellow | Off | Modem is not receiving data |
|-------+---------+---------+--------------------------------|
| 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. |
+------------------------------------------------------------+