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 |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
RS-423 DTE serial data port |
CN1 |
Ground |
SC1 |
|
RS-422 DCE serial data port |
CN2 |
Test mode switch |
SW1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
|
Receive line connected with 100 ohm impedance |
JP1 |
Pins 2 & 3 closed | |
|
Receive line not connected with 100 ohm impedance |
JP1 |
Pins 1 & 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. |