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