IMC NETWORKS CORPORATION

LANCEIVER/4

Card Type             Ethernet transceiver
Network Transfer Rate 10Mbps
Data Bus              AUI via DB-15 connector
Topology              Linear Bus
Wire Type             AUI transceiver via DB-15 port

[Image]

                                CONNECTIONS

          Function            Label            Function            Label

  AUI port 1 via DB-15         CN1     AUI port 3 via DB-15         CN3
  connector                            connector

  AUI port 2 via DB-15         CN2     AUI port 4 via DB-15         CN4
  connector                            connector

                        USER CONFIGURABLE SETTINGS

                 Setting                     Label          Position

  »   Factory configured - do not alter    JP1 pins 1     Unidentified
                                              - 2

  »   Factory configured - do not alter    JP1 pin 8      Unidentified

  »   Factory configured - do not alter   JP1 pins 15     Unidentified
                                             - 30

                    MASTER SQE HEARTBEAT CONFIGURATION

                Setting                                 JP1

  »                Enabled                       Pins 4 & 5 closed

                  Disabled                       Pins 3 & 4 closed

  PORT 1 SQE HEARTBEAT CONFIGURATION

      Setting         JP1/pins 6 & 7

      Enabled             Closed

     Disabled              Open

   PORT 2 SQE HEARTBEAT CONFIGURATION

      Setting        JP1/pins 9 & `10

      Enabled             Closed

      Disabled             Open

   PORT 3 SQE HEARTBEAT CONFIGURATION

      Setting        JP1/pins 11 & 12

      Enabled             Closed

      Disabled             Open

   PORT 4 SQE HEARTBEAT CONFIGURATION

      Setting        JP1/pins 13 & 14

      Enabled             Closed

      Disabled             Open

                             DIAGNOSTIC LED(S)

     LED         Color         Status                Condition

    JAB1         Yellow          On          Jabber detected on port 1

    JAB1         Yellow          Off       Jabber not detected on port 1

    XMT1         Green           On        Port 1 is transmitting data to
                                                    the network

    XMT1         Green           Off         Port 1 is not transmitting
                                                data to the network

    XMT2         Green           On        Port 2 is transmitting data to
                                                    the network

    XMT2         Green           Off         Port 2 is not transmitting
                                                data to the network

    JAB2         Yellow          On          Jabber detected on port 2

    JAB2         Yellow          Off       Jabber not detected on port 2

    XMT3         Green           On        Port 3 is transmitting data to
                                                    the network

    XMT3         Green           Off         Port 3 is not transmitting
                                                data to the network

    JAB3         Yellow          On          Jabber detected on port 3

    JAB3         Yellow          Off       Jabber not detected on port 3

    JAB4         Yellow          On          Jabber detected on port 4

    JAB4         Yellow          Off       Jabber not detected on port 4

    XMT4         Green           On        Port 4 is transmitting data to
                                                    the network

    XMT4         Green           Off         Port 4 is not transmitting
                                                data to the network

     COL          Red            On          Network collision detected

     COL          Red            Off       Network collision not detected

     RCV         Yellow          On         Transceiver is receiving data
                                                  from the network

     RCV         Yellow          Off        Transceiver is not receiving
                                               data from the network

     SQE         Yellow          On         SQE heartbeat signal enabled

     SQE         Yellow          Off       SQE heartbeat signal disabled

     PWR         Green           On                 Power is on

     PWR         Green           Off                Power is off