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

[Image]

                                CONNECTIONS

           Function             Label           Function           Label

  Optical bypass relay           J301    Transmit line 2            U507

  Media daughterboard header     J302    Receive line 1             U508

  Memory daughterboard header    J305    Receive line 2             U509

  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