RAD DATA COMMUNICATIONS
FCD-12
|
Card Type |
T1 CSU/DSU |
|
Chip Set |
Unidentified |
|
I/O Options |
AC power connector, 25-pin DTE/DCE ports (2), 9-pin serial port (RS-232), T1 network interface via 15-pin connector |
|
T1 Transfer Rate |
1.544Mbps |
|
T1 Protocol |
Transparent, AMI, B7ZS, B8ZS |
|
Frame Type |
D4, ESF |
|
Data Bus |
External |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
AC power connector |
CN1 |
CSU board connector |
J2 |
|
Serial port |
CN2 |
CSU board connector |
J3 |
|
25-pin DTE/DCE port - channel 2 |
CN3 |
CSU board connector |
J4 |
|
25-pin DTE/DCE port - channel 1 |
CN4 |
Power switch |
SW2 |
|
15-pin T1 port |
CN5 | ||
|
Note: Jumpers must be installed on pins 1&2 and 3&4 of connectors J3 & J4 to maintain signal path continuity when the CSU board is removed. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
|
Debug self test mode disabled |
JP2 |
Pins 1 & 2 closed | |
|
Debug self test mode enabled |
JP2 |
Pins 2 & 3 closed | |
|
Default password enabled. Password=FCD-12 |
JP3 |
Pins 2 & 3 closed | |
|
User password enabled |
JP3 |
Pins 1 & 2 closed | |
|
Watchdog timer enabled |
JP5 |
Pins 1 & 2 closed | |
|
Watchdog timer disabled |
JP5 |
Pins 2 & 3 closed | |
|
Signal ground is connected to the frame ground |
JP11 |
Pins 2 & 3 closed | |
|
Signal ground is not connected to the frame ground |
JP11 |
Pins 1 & 2 closed | |
|
Internal -5V enabled |
JP20 |
Pins 1 & 2 closed | |
|
Grounded to pin 15 in the main link connector (CN5) |
JP20 |
Pins 2 & 3 closed | |
|
Allows connection of the line controlled by JP20 to pin 15 of main link connector (CN5) for powering external device |
JP23 |
Closed | |
|
Does not allow connection of the line controlled by JP20 to pin 15 of main link connector (CN5) for powering external device |
JP23 |
Open | |
|
Allows connection of internal +5V, via resistor, to pin 14 of main link connector (CN5) for powering external device |
JP24 |
Closed | |
|
Does not allow connection of internal +5V, via resistor, to pin 14 of main link connector (CN5) for powering external device |
JP24 |
Open | |
|
CHANNEL 1 INTERFACE SELECTION | ||
|
interface |
Setting | |
|
RS-530, X.21, RS-449, RS-422 |
Interface changer board on J6 | |
|
V.35 |
Interface changer board on J7 | |
|
CHANNEL 2 INTERFACE SELECTION | ||
|
interface |
Setting | |
|
RS-530, X.21, RS-449, RS-422 |
Interface changer board on J8 | |
|
V.35 |
Interface changer board on J9 | |
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
TD1 |
Unidentified |
On |
DSU/CSU is detecting pulses from the DTE on channel 1 |
|
TD1 |
Unidentified |
Off |
DSU/CSU is not detecting pulses from DTE on channel 1 |
|
RD1 |
Unidentified |
On |
DSU/CSU is receiving pulses from network on channel 1 |
|
RD1 |
Unidentified |
Off |
DSU/CSU is not receiving pulses from network on channel 1 |
|
TD2 |
Unidentified |
On |
DSU/CSU is detecting pulses from the DTE on channel 2 |
|
TD2 |
Unidentified |
Off |
DSU/CSU is not detecting pulses from DTE on channel 2 |
|
RD2 |
Unidentified |
On |
DSU/CSU is receiving pulses from network on channel 2 |
|
RD2 |
Unidentified |
Off |
DSU/CSU is not receiving pulses from network on channel 2 |
|
RED |
Unidentified |
On |
DSU/CSU is detecting a red alarm condition |
|
RED |
Unidentified |
Off |
DSU/CSU is not detecting a red alarm condition |
|
YEL |
Unidentified |
On |
DSU/CSU is detecting a yellow alarm condition |
|
YEL |
Unidentified |
Off |
DSU/CSU is not detecting a yellow alarm condition |
|
TST |
Unidentified |
On |
DSU or CSU loopback test active |
|
TST |
Unidentified |
Off |
DSU or CSU loopback test not running |
CSU BOARD
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
Mainboard connector |
J5 |
Mainboard connector |
J7 |
|
Mainboard connector |
J6 | ||
|
T1 OUTPUT LEVEL SELECTION | |||
|
Net build |
Label |
Position | |
|
0dB |
SW1 |
1 | |
|
-7.5dB |
SW1 |
2 | |
|
-15dB |
SW1 |
3 | |