RAD DATA COMMUNICATIONS
FOM-E3, FOM-T3 (DC 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 signal in via 75ohm coaxial cable connector | CN1 | T1 fiber optic transmit FC connector | CN4 |
T1 signal out via 75ohm coaxial cable connector | CN2 | Alarm signal connector | CN5 |
T1 fiber optic receive FC connector | CN3 | DC 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 |