TIARA COMPUTER SYSTEMS, INC.

10BASE-T MINITRANSCEIVER

Card Type             Transceiver
NIC Type              Ethernet
Data Bus              AUI via DB-15 port
Network Transfer Rate 10Mbps
Topology              Star
Wiring Type           Unshielded twisted pair

[Image]

                                CONNECTIONS

         Function           Label             Function             Label

  AUI via DB-15 port         CN1      Unshielded twisted pair       CN2
                                      connector

                        USER CONFIGURABLE SETTINGS

                      Setting                        Label     Position

  SQE test disabled                                  SW1/1       Off

  SQE test enabled                                   SW1/1        On

  Link test disabled                                 SW1/2       Off

  Link test enabled                                  SW1/2        On

                             DIAGNOSTIC LED(S)

    LED         Color          Status                 Condition

    PWR         Green            On                  Power is on

    PWR         Green           Off                 Power is off

    POL        Yellow            On             Polarity is reversed

    POL        Yellow           Off              Polarity is correct

    TX          Green         Blinking       Transceiver is transmitting
                                                   to the network

    TX          Green           Off               Transceiver is not
                                             transmitting to the network

    RX          Green         Blinking      Transceiver is receiving from
                                                     the network

    RX          Green           Off          Transceiver is not receiving
                                                  from the network

    COL        Yellow         Blinking       Collision has been detected

    COL        Yellow           Off             Collision has not been
                                                      detected

    JAB        Yellow            On           Jabber has been detected

    JAB        Yellow           Off         Jabber has not been detected

    LNK         Green            On          Network connection is good

    LNK         Green           Off         Network connection is broken