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# RAD DATA COMMUNICATIONS
FOM-E1/T1 (DC 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
IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|--------------------------+-------+-----------------+-------|
| Unbalanced T1 signal in | CN1 | T1 fiber optic | CN4 |
| via coaxial cable | | receive FC | |
| connector | | connector | |
|--------------------------+-------+-----------------+-------|
| Unbalanced T1 signal out | CN2 | T1 fiber optic | CN5 |
| via coaxial cable | | transmit FC | |
| connector | | connector | |
|--------------------------+-------+-----------------+-------|
| Balanced T1 signal | CN3 | AC power in | CN6 |
| in/out via DB-15 | | | |
| connector | | | |
|------------------------------------------------------------|
| 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 | JP1 | Pins 1 & |
| | ground | | 2 closed |
|---+------------------------------------+-------+-----------|
| | Signal ground not connected to | JP1 | Pins 2 & |
| | chassis ground | | 3 closed |
|---+------------------------------------+-------+-----------|
| » | CN1 shield not connected to | SW1 | On |
| | chassis ground | | |
|---+------------------------------------+-------+-----------|
| | CN1 shield connected to chassis | SW1 | Off |
| | ground | | |
|---+------------------------------------+-------+-----------|
| » | CN2 shield not connected to | SW2 | On |
| | chassis ground | | |
|---+------------------------------------+-------+-----------|
| | CN2 shield connected to chassis | SW2 | Off |
| | ground | | |
|---+------------------------------------+-------+-----------|
| » | Device will transmit All Ones | SW3 | On |
| | Signal when major alarm is | | |
| | detected | | |
|---+------------------------------------+-------+-----------|
| | Device will transmit nothing when | SW3 | Off |
| | major alarm is detected | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ELECTRICAL CABLE TYPE SELECTION |
|------------------------------------------------------------|
| Setting |JP2/A |JP2/B |JP2/C |JP2/D |JP2/E |JP2/F |
|------------------+------+------+------+------+------+------|
| | Unbalanced 75 |Pins 3|Pins 3|Pins 3|Pins 3|Pins 3|Pins 3|
| | ohm | & 4 | & 4 | & 4 | & 4 | & 4 | & 4 |
|-+----------------+------+------+------+------+------+------|
| |Balanced 100 ohm|Pins 1|Pins 1|Pins 1|Pins 1|Pins 1|Pins 1|
| | | & 2 | & 2 | & 2 | & 2 | & 2 | & 2 |
|-+----------------+------+------+------+------+------+------|
|»|Balanced 120 ohm|Pins 2|Pins 2|Pins 2|Pins 2|Pins 2|Pins 2|
| | | & 3 | & 3 | & 3 | & 3 | & 3 | & 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 |
+------------------------------------------------------------+
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