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# SYSTRAN CORPORATION
SCRAMNET+ SBUS
NIC Type Proprietary network
Chip Set Unidentified
Maximum Onboard Memory 8MB RAM
I/O Options Optical bypass relay
Data Bus SBus
Network Transfer Rate 150Mbps
Topology Ring
Wiring Type RG-58A/U 50ohm coaxial
Fiber optic cable
Boot ROM Not available
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|--------------------------+-------+-----------------+-------|
| Optical bypass relay | J301 | Transmit line 2 | U507 |
|--------------------------+-------+-----------------+-------|
| Media daughterboard | J302 | Receive line 1 | U508 |
| header | | | |
|--------------------------+-------+-----------------+-------|
| Memory daughterboard | J305 | Receive line 2 | U509 |
| header | | | |
|--------------------------+-------+-----------------+-------|
| Transmit line 1 | U506 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|-----------------------------------+-------+----------------|
| » | Use chassis ground | J3 | Pins 2 & 4 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | Use signal ground | J3 | Pins 1 & 3 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| » | EEPROM write protect enabled | J303 | Pins 1 & 3 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | EEPROM write protect disabled | J303 | Pins 2 & 4 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| » | EEPROM read protect enabled | J304 | Pins 1 & 3 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | EEPROM read protect disabled | J304 | Pins 2 & 4 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+-------+--------+------------------------------------|
| LED1 | Green | On | Card is connected to the network |
|------+-------+--------+------------------------------------|
| LED1 | Green | Off | Card is not connected to the |
| | | | network |
|------+-------+--------+------------------------------------|
| LED2 | Green | On | Ring integrity good |
|------+-------+--------+------------------------------------|
| LED2 | Green | Off | Ring integrity failed |
+------------------------------------------------------------+