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. |