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 |