
EDIMAX COMPUTER COMPANY

AL-3350/AL-3351

NIC Type      Arcrnet
Transfer Rate 2.5Mbps
Data Bus      8-bit ISA
Topology      Star

              Linear Bus
Wiring Type   Unshielded twisted pair

              AUI transceiver via DB-15 port

              RG-62A/U 93ohm coaxial
Boot ROM      Available

[Image]

                              NODE ID ADDRESS

  Node   SW1/1    SW1/2   SW1/3   SW1/4    SW1/5   SW1/6    SW1/7   SW1/8

   0       -       -        -       -       -        -       -        -

   1      Off      On      On      On       On      On       On      On

   2      On      Off      On      On       On      On       On      On

   3      Off     Off      On      On       On      On       On      On

   4      On       On      Off     On       On      On       On      On

  251     Off     Off      On      Off     Off      Off     Off      Off

  252     On       On      Off     Off     Off      Off     Off      Off

  253     Off      On      Off     Off     Off      Off     Off      Off

  254     On      Off      Off     Off     Off      Off     Off      Off

  255     Off     Off      Off     Off     Off      Off     Off      Off

  Note:Node address 0 is used for messaging between nodes and must not be
  used.

       A total of 255 node address settings are available. The switches
       are a binary representation of the decimal node addresses. Switch
       1 is the Least Significant Bit and switch 8 is the Most
       Significant Bit. The switches have the following decimal values:
       switch 1=1, 2=2, 3=4, 4=8, 5=16, 6=32, 7=64, 8=128. Turn off the
       switches and add the values of the off switches to obtain the
       correct node address. (On=0, Off=1)

                                CABLE TYPE

              Type                   JP4D          JP6A          JP6B

      RG-58A/U 50ohm coaxial        Open         Closed         Open

       Unshielded twisted pair      Closed         Open         Closed

                    BASE MEMORY ADDRESS & BOOT ROM ADDRESS

   Base Address       Boot ROM      JP1A     JP1B     JP1C    JP1D     JP1E

      C0000-C07FFh  C2000-C3FFFh   Closed   Closed   Closed   Closed   Closed

      C0800-C0FFFh  C2000-C3FFFh    Open    Closed   Closed   Closed   Closed

      C1000-C17FFh  C2000-C3FFFh   Closed    Open    Closed   Closed   Closed

      C1800-C1FFFh  C2000-C3FFFh    Open     Open    Closed   Closed   Closed

      C4000-C47FFh  C6000-C7FFFh   Closed   Closed    Open    Closed   Closed

      C4800-C4FFFh  C6000-C7FFFh    Open    Closed    Open    Closed   Closed

      C5000-C57FFh  C6000-C7FFFh   Closed    Open     Open    Closed   Closed

      C5800-C5FFFh  C6000-C7FFFh    Open     Open     Open    Closed   Closed

      CC000-CC7FFh  CE000-CFFFFh   Closed   Closed   Closed   Open     Closed

      CC800-CCFFFh  CE000-CFFFFh    Open    Closed   Closed   Open     Closed

      CD000-CD7FFh  CE000-CFFFFh   Closed    Open    Closed   Open     Closed

      CD800-CDFFFh  CE000-CFFFFh    Open     Open    Closed   Open     Closed

     D0000-D07FFh  D2000-D3FFFh   Closed   Closed    Open    Open     Closed

      D0800-D0FFFh  D2000-D3FFFh    Open    Closed    Open    Open     Closed

      D1000-D17FFh  D2000-D3FFFh   Closed    Open     Open    Open     Closed

      D1800-D1FFFh  D2000-D3FFFh    Open     Open     Open    Open     Closed

      D4000-D47FFh  D6000-D7FFFh   Closed   Closed   Closed   Closed   Open

      D4800-D4FFFh  D6000-D7FFFh    Open    Closed   Closed   Closed   Open

      D5000-D57FFh  D6000-D7FFFh   Closed    Open    Closed   Closed   Open

      D5800 D5FFFh  D6000-D7FFFh    Open     Open    Closed   Closed   Open

      D8000-D87FFh  DA000-DBFFFh   Closed   Closed    Open    Closed   Open

      D8800-D8FFFh  DA000-DBFFFh    Open    Closed    Open    Closed   Open

      D9000-D97FFh  DA000-DBFFFh   Closed    Open     Open    Closed   Open

      D9800-D9FFFh  DA000-DBFFFh    Open     Open     Open    Closed   Open

      DC000-DC7FFh  DE000-DFFFFh   Closed   Closed   Closed   Open     Open

      DC800-DCFFFh  DE000-DFFFFh    Open    Closed   Closed   Open     Open

      DD000-DD7FFh  DE000-DFFFFh   Closed    Open    Closed   Open     Open

      DD800-DDFFFh  DE000-DFFFFh    Open     Open    Closed   Open     Open

      E0000-E07FFh  E2000-E3FFFh   Closed   Closed    Open    Open     Open

      E0800-E0FFFh  E2000-E3FFFh    Open    Closed    Open    Open     Open

      E1000-E17FFh  E2000-E3FFFh   Closed    Open     Open    Open     Open

      E1800-E1FFFh  E2000-E3FFFh    Open     Open     Open    Open     Open

                             I/O BASE ADDRESS

        Address               JP1F            JP1G              JP1H

          260-26Fh           Closed          Closed            Closed

          290-29Fh            Open           Closed            Closed

         2E0-2EFh           Closed           Open             Closed

          2F0-2EFh            Open            Open             Closed

          300-30Fh           Closed          Closed             Open

          350-35Fh            Open           Closed             Open

          380-38Fh           Closed           Open              Open

          3E0-3EFh            Open            Open              Open

                   RESPONSE AND RECONFIGURATION TIMEOUTS

  Response Time       Idle        Reconfiguration      JP2A        JP2B
                      Time             Time

        78s         86s            840ms            Open        Open

         285s       316s            1680ms           Open       Closed

         563s       624s            1680ms          Closed       Open

        1130s       1237s           1680ms          Closed      Closed

  Note:All NICs on the network segment must have this option set the
  same.

                            ONBOARD TERMINATOR

        Terminator               JP4A & JP4B             JP4C & JP4D

  Coaxial Bus Terminated           Closed                   Open

  Twisted Pair Terminated           Open                   Closed

                                 BOOT ROM

                 Setting                                JP5

                 Disabled                             Open

                   Enabled                            Closed

                             INTERRUPT REQUEST

    IRQ         JP7A         JP7B        JP7C         JP7D        JP7E

       2       Open         Open        Open         Open       Closed

        3       Open         Open        Open        Closed       Open

        4       Open         Open       Closed        Open        Open

        5       Open        Closed       Open         Open        Open

        7      Closed        Open        Open         Open        Open

                             DIAGNOSTIC LED(S)

     LED         Color         Status                 Condition

    LED1         Green        Blinking       Data is being transmitted or
                                                      received

    LED1         Green           Off        Data is not being transmitted
                                                     or received

                            MISCELLANEOUS NOTES

  The AL-3350 and the AL-3351 have different transceivers. As a result
  the AL-3350 should only be operated in a coaxial star configuration,
  while the AL-3351 will operate in a coaxial bus, a coaxial star, a
  twisted pair bus, or a twisted pair star configuration.

