ALLIED TELESYN, INC.

AT-208

Card Type             Single Port Transceiver
NIC Type              Ethernet
Network Transfer Rate 10Mbps/CSMA/CD
Topology              Linear Bus
Wiring Type           AUI transceiver via DB-15 port

                      RG-58A/U 50 ohm coaxial
Data Bus              None

[Image]

                                CONNECTIONS

          Function             Label           Function            Label

  AUI transceiver via DB-15     CN1     Thick coaxial N-Series      CN2
                                        connector

                        USER CONFIGURABLE SETTINGS

                   Function                      Label       Position

  »   SQE/Heartbeat switch disabled               SW1            0

      SQE/Heartbeat switch enabled                SW1            1

                             DIAGNOSTIC LED(S)

    LED          Color         Status                Condition

   Power         Amber           On         Heartbeat signal is enabled

   Power         Green           On        Heartbeat signal is disabled

    XMIT      Unidentified       On          Data is being transmitted

    XMIT      Unidentified      Off        Data is not being transmitted

    RCV       Unidentified       On           Data is being received

    RCV       Unidentified      Off         Data is not being received

     HB       Unidentified       On         SQE test signal is present

     HB       Unidentified      Off       SQE test signal is not present

    COL       Unidentified       On        Collision detected on network

    COL       Unidentified      Off           No collision detected on
                                                      network