RAD DATA COMMUNICATIONS
FCD-T1/1/T1
Card Type | T1 CSU/DSU |
Chip Set | Unidentified |
I/O Options | AC power connector, 25-pin RS-530 port serial ports (2), RJ-48 network interface (2) |
T1 Transfer Rate | 1.544Mbps |
T1 Protocol | AMI, Transparent, B7ZS, B8ZS |
Frame type | D4 |
Data Bus | External |
CONNECTIONS | |||
Function | Label | Function | Label |
AC power connector | CN1 | Network port via RJ-48 connector | CN4 |
Serial port 1 | CN2 | Serial port 2 | CN5 |
25-pin connector | CN3 | Power switch | SW2 |
USER CONFIGURABLE SETTINGS | |||
Setting | Label | Position | |
» | Signal ground is connected to the frame ground | JP8 | Closed |
Signal ground is not connected to the frame ground | JP8 | Open | |
» | Front panel push-buttons are enabled | JP77 | Pins 1 & 2 closed |
Front panel push-buttons are disabled | JP77 | Pins 2 & 3 closed | |
» | Supervisor ports operate according to user-defined parameters | S1/1 | Off |
CSU/DSU uses default parameters stored in its EPROM | S1/1 | On | |
User password enabled | S1/2 | Off | |
» | Default password enabled. Password=RAD | S1/2 | On |
» | Loads user-selected parameters from NVRAM on power-up | S1/3 | Off |
Loads default parameters stored in its EPROM on power-up | S1/3 | On | |
» | Factory configured - do not alter | S1/4 | Off |
ALARM/RELAY | |||
Function | JP51 | JP52 | |
» | Alarm relay is disconnected. DTE serial port 1 (CN2) provides full functionality | Pins 2 & 3 closed | Pins 2 & 3 closed |
Alarm relay is connected instead of DCD and CTS lines. Polled communication disabled | Pins 1 & 2 closed | Pins 1 & 2 closed |
DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
RED 1 | Unidentified | On | DSU/CSU is detecting a red alarm condition on the main link |
RED 1 | Unidentified | Off | DSU/CSU is not detecting a red alarm condition on the main link |
YEL 1 | Unidentified | On | DSU/CSU is detecting a yellow alarm condition on the main link |
YEL 1 | Unidentified | Off | DSU/CSU is not detecting a yellow alarm condition on the main link |
RED 2 | Unidentified | On | DSU/CSU is detecting a red alarm condition on the sub link |
RED 2 | Unidentified | Off | DSU/CSU is not detecting a red alarm condition on the sub link |
YEL 2 | Unidentified | On | DSU/CSU is detecting a yellow alarm condition on the sub link |
YEL 2 | Unidentified | Off | DSU/CSU is not detecting a yellow alarm condition on the sub link |
ALM | Unidentified | On | DSU/CSU is detecting an alarm condition in the system |
ALM | Unidentified | Off | DSU/CSU is not detecting an alarm condition in the system |
TST | Unidentified | On | DSU or CSU loopback test active |
TST | Unidentified | Off | DSU or CSU loopback test not running |
VER.X.21
CONNECTIONS | |
Function | Label |
15 pin connector | CN9 |
VER. V.35
CONNECTIONS | |
Function | Label |
34 pin connector | CN9 |
MISCELLANEOUS TECHNICAL NOTES |
If an additional port is required, the single port module may be replaced with a dual port module. V.35, X.21, or RS-530 interfaces are available for the FCD/T1 unit |