MACNET

NU460 (VER. A)

NIC Type:      Ethernet
Transfer Rate: 10Mbps
Data Bus:      32-Bit NuBus (Apple)
Topology:      Linear Bus

               Star
Wiring Type    AUI transceiver via DB-15 port

               RG-58A/U 50ohm coaxial

               Shielded/Unshielded twisted pair
Boot ROM       Available

[Image]

                                CABLE TYPE

            Type                   JP3            JP4         JP5-JP10

  AUI transceiver via DB-15     Pins 2 & 3     Pins 2 & 3     Pins 2 & 3
            port                 closed         closed         closed

   RG-58A/U 50ohm coaxial       Pins 1 & 2     Pins 1 & 2     Pins 1 & 2
                                 closed         closed         closed

     Shielded/unshielded        Pins 2 & 3     Pins 2 & 3        N/A
        twisted pair             closed         closed

                          LINK INTEGRITY FUNCTION

                Setting                                 JP1

  »                Enabled                       Pins 1 & 2 closed

                  Disabled                       Pins 2 & 3 closed

                            ON-BOARD TERMINATOR

                Setting                                 JP2

  »               Disabled                       Pins 2 & 3 closed

                   Enabled                       Pins 1 & 2 closed

                              DIAGNOSTIC LEDS

       LED              Status                     Condition

       D1                 On           Twisted pair network connection is
                                                      good

       D1                Off           Twisted pair network connection is
                                                     broken

       D2                 On                 Data is being received

       D2                Off               Data is not being received

       D3                 On               Data is being transmitted

       D3                Off             Data is not being transmitted

       D4                 On             Collision detected on network

       D4                Off                    Normal operation

       D5                 On               Reversed polarity condition
                                                    detected

       D5                Off                    Normal operation