CODENOLL TECHNOLOGY CORPORATION

CODENET 8340, CODENET 8342

NIC Type              Ethernet
Network Transfer Rate 10Mbps
Data Bus              16-bit ISA
Topology              Star
Wire Type             Fiber optic cable
Boot ROM              Not available

[Image]

                                CONNECTIONS

          Function             Label            Function           Label

  Daughterboard header          CN1A     Fiber optic receive        CN2
                                         connector

  Header to main board          CN1B     Fiber optic transmit       CN3
                                         connector

                        USER CONFIGURABLE SETTINGS

                   Setting                       Label        Position

  »   Link good function enabled                 SW1/1           On

      Link good function disabled                SW1/1          Off

  »   SQE heartbeat enabled                      SW1/2           On

      SQE heartbeat disabled                     SW1/2          Off

  »   Point-to-point mode                        SW1/3           On

      Passive star mode                          SW1/3          Off

  »   Jabber lockout resets automatically        SW1/4           On

      Jabber lockout resets only by cycling      SW1/4          Off
      power

  »   Optical transmitter at full power          SW1/5          Off

      Optical transmitter at half power for      SW1/5           On
      testing

  »   Factory configured - do not alter          SW1/6          N/A

  »   Factory configured - do not alter          SW1/7          N/A

  »   Factory configured - do not alter          SW1/8          N/A

                       ADDRESSES/INTERRUPT SELECTION

    Base       IRQ       Shared     Boot ROM   JP1/A     JP1/B     JP1/C
    I/O                   RAM

   280h         3        D0000h     D8000h     Closed    Open      Open

   280h         3        D0000h     Disabled    Open     Closed    Open

   280h        10        CC000h     Disabled   Closed    Open     Closed

   280h        11        CC000h     Disabled   Closed    Closed   Closed

   280h      Disabled   Disabled    Disabled    Open     Closed   Closed

   300h         5        CC000h     C8000h     Closed    Closed    Open

   300h         5        CC000h     Disabled    Open     Open     Closed

  Sofware    Sofware    Sofware     Sofware     Open     Open      Open

                             DIAGNOSTIC LED(S)

     LED        Color        Status                 Condition

     TX         Green          On           Card is transmitting data

     TX         Green          Off        Card is not transmitting data

     CP         Yellow         On           Network collision detected

     CP         Yellow         Off        Network collision not detected

     RX         Green          On             Card is receiving data

     RX         Green          Off          Card is not receiving data

     LL         Yellow         On          Network connection is broken

     LL         Yellow         Off          Network connection is good

     JAB        Yellow         On            Network jabber detected

     JAB        Yellow         Off         Network jabber not detected

     HL         Yellow         On           Received optical signal too
                                                      bright

     HL         Yellow         Off        Received optical signal normal