CODENOLL TECHNOLOGY CORPORATION

CODENET 8341

NIC Type              Ethernet
Network Transfer Rate 10Mbps
Data Bus              16-bit ISA
Topology              Linear Bus/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

  »   Optical transmitter at full power          SW1/1           On

      Optical transmitter attenuated by 3dB      SW1/1          Off

  »   Factory configured - do not alter          SW1/2          N/A

  »   Factory configured - do not alter          SW1/3          N/A

  »   Jabber lockout resets automatically        SW1/4          Off

      Jabber lockout resets only by cycling      SW1/4           On
      power

  »   Factory configured - do not alter          SW1/5          N/A

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

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

  »   SQE heartbeat enabled                      SW1/8           On

      SQE heartbeat disabled                     SW1/8          Off

                       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           Light level below receiver
                                                    sensitivity

     LL         Yellow          Off             Light level normal

    JAB         Yellow          On            Network jabber detected

    JAB         Yellow          Off         Network jabber not detected

     HL         Yellow          N/A                  Not used