RAD DATA COMMUNICATIONS
CMN-C11
Card Type | Modem (asynchronous) |
Chipset | Unidentified |
Maximum Data Rate | 19.2Kbps |
Data Modulation | Unidentified |
Data Bus | Proprietary |
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 remote loopback test | JP1 | Pins 1 & 2 closed |
Front panel switch may not initiate remote loopback test | JP1 | Pins 3 & 4 closed |
í Stop bit shortening for asynchronous mode set to 12.5% | SW1/1 | Off |
Stop bit shortening for asynchronous mode set to 25% | SW1/1 | On |
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 loopback test | SW1/5 | On |
í Pin 21 of CN1 has no function | SW1/6 | Off |
Pin 21 of CN1 begins remote digital loopback test | SW1/6 | On |
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. |