RAD DATA COMMUNICATIONS
FOM-E1/T1 (AC POWER, FC CONNECTORS)
Card Type | T1/E1 interface converter |
Chipset | Unidentified |
Wire Type | Fiber optic cable |
T1/E1 Transfer Rate | 1.544Mbps/2.048Mbps |
T1/E1 Protocol | B8ZS, HDB3 |
Frame Type | Unidentified |
Data Bus | N/A |
CONNECTIONS | |||
Function | Label | Function | Label |
Unbalanced T1 signal in via coaxial cable connector | CN1 | T1 fiber optic receive FC connector | CN4 |
Unbalanced T1 signal out via coaxial cable connector | CN2 | T1 fiber optic transmit FC connector | CN5 |
Balanced T1 signal in/out via DB-15 connector | CN3 | AC power in | CN6 |
Note:Either connector CN3 or connectors CN1 and CN2 may be used, but not both. |
USER CONFIGURABLE SETTINGS | |||
Setting | Label | Position | |
» | Signal ground connected to chassis ground | JP1 | Pins 1 & 2 closed |
Signal ground not connected to chassis ground | JP1 | Pins 2 & 3 closed | |
» | CN1 shield not connected to chassis ground | SW1 | On |
CN1 shield connected to chassis ground | SW1 | Off | |
» | CN2 shield not connected to chassis ground | SW2 | On |
CN2 shield connected to chassis ground | SW2 | Off | |
» | Device will transmit All Ones Signal when major alarm is detected | SW3 | On |
Device will transmit nothing when major alarm is detected | SW3 | Off |
ELECTRICAL CABLE TYPE SELECTION | |||||||
Setting | JP2/A | JP2/B | JP2/C | JP2/D | JP2/E | JP2/F | |
Unbalanced 75 ohm | Pins 3 & 4 | Pins 3 & 4 | Pins 3 & 4 | Pins 3 & 4 | Pins 3 & 4 | Pins 3 & 4 | |
Balanced 100 ohm | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | |
» | Balanced 120 ohm | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
Note:Pins designated are in closed position. |
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 |