RAD DATA COMMUNICATIONS
FOM-E3, FOM-T3 (AC POWER, FC CONNECTORS)
|
Card Type |
T3 or E3 CSU/DSU |
|
Chipset |
Unidentified |
|
Wire Type |
Fiber optic cable |
|
Transfer Rate |
34.368Mbps (FOM-E3) or 44.736Mbps (FOM-T3) |
|
Protocol |
B8ZS, HDB3 |
|
Frame Type |
Unidentified |
|
Data Bus |
N/A |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
T1 fiber optic receive FC connector |
CN1 |
T1 signal out via 75ohm coaxial cable connector |
CN4 |
|
T1 fiber optic transmit FC connector |
CN2 |
Alarm signal connector |
CN5 |
|
T1 signal in via 75ohm coaxial cable connector |
CN3 |
AC power in |
CN6 |
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
|
Signal ground connected to chassis ground |
JP3 |
Pins 1 & 2 closed | |
|
Signal ground not connected to chassis ground |
JP3 |
Pins 2 & 3 closed | |
|
Coaxial cable length may be up to 225 feet |
JP5 |
Pins 1 & 2 closed | |
|
Coaxial cable length may be up to 450 feet |
JP5 |
Pins 2 & 3 closed | |
|
Device will transmit All Ones Signal when major alarm is detected |
JP8 |
Pins 1 & 2 closed | |
|
Device will transmit nothing when major alarm is detected |
JP8 |
Pins 2 & 3 closed | |
|
TEST MODE | ||
|
Setting |
SW4 | |
|
Normal operation |
Position 2 | |
|
Local loopback test |
Position 1 | |
|
Remote loopback test |
Position 3 | |
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
PWR |
Green |
On |
Power is on |
|
PWR |
Green |
Off |
Power is off |
|
LOC |
Yellow |
On |
Device is in local loopback test mode |
|
LOC |
Yellow |
Off |
Device is not in local loopback test mode |
|
REM |
Yellow |
On |
Device is in remote loopback test mode |
|
REM |
Yellow |
Off |
Device is not in remote loopback test mode |
|
LOW |
Red |
On |
Electrical input signal is below valid signal level |
|
LOW |
Red |
Off |
Electrical input signal is within valid signal levels |
|
AIS1 |
Yellow |
On |
All Ones Signal received on electrical interface |
|
AIS1 |
Yellow |
Off |
All Ones Signal not received on electrical interface |
|
ERR |
Red |
On |
Bit Error Rate of optical interface is 10 -6 or worse |
|
ERR |
Red |
Off |
Bit Error Rate of optical interface is better than 10 -6 |
|
AIS2 |
Yellow |
On |
All Ones Signal received on fiber optic interface |
|
AIS2 |
Yellow |
Off |
All Ones Signal not received on fiber optic interface |