ALLIED TELESYN, INC.

AT-270T

Device Type            Transceiver
NIC Type               Ethernet
Maximum Onboard Memory Unidentified
Boot ROM               Not available
Network Transfer Rate  10Mbps
Topology               Star
Wiring Type            Unshielded twisted pair
Data Bus               External

[Image]

                                CONNECTIONS

         Function            Label            Function            Label

  AUI transceiver via         CN1      AUI transceiver via         CN2
  DB-15                                DB-15

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

  »   SQE test function disabled                 SW1            Off

      SQE test function enabled                  SW1            On

                             DIAGNOSTIC LED(S)

   LED         Color         Status                 Condition

   PWR      Unidentified       On       One AUI has supplied power to the
                                                   transceiver

   PWR      Unidentified      Off                 Power is off

   LNK      Unidentified       On       Valid receive link is established

   LNK      Unidentified      Off       Receive link connection is broken

   XMT      Unidentified       On           Data is being transmitted

   XMT      Unidentified      Off         Data is not being transmitted

   RCV      Unidentified       On            Data is being received

   RCV      Unidentified      Off          Data is not being received

   COL      Unidentified       On         Collision detected on network

   COL      Unidentified      Off       No collision detected on network

   SQE      Unidentified       On           Signal Quality Error test
                                               function is enabled

   SQE      Unidentified      Off           Signal Quality Error test
                                              function is disabled

   POL      Unidentified       On        Automatic polarity reversal has
                                                  not occurred

   POL      Unidentified      Off        Automatic polarity reversal has
                                                    occurred