CABLETRON SYSTEMS, INC.

TPT-D4

Device Type            Redundant 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       RJ-45 UTP connector       CN3
  DB-15                                 (port 2)

  RJ-45 UTP connector         CN2
  (port 1)

                        USER CONFIGURABLE SETTINGS

                   Function                       Label       Position

  »   SQE test function disabled                   SW1           Off

      SQE test function enabled                    SW1           On

      Waits for data for approximately 2sec        SW2           MIN
      before switching to redundant port

      Waits for data for approximately 10sec       SW2           MAX
      before switching to redundant port

  Note: SW2 should be set to MIN when attached to a high-activity
  network. The MAX setting should be used with a low-activity network.

       PORT 1 PIN CONFIGURATION

          Setting              SW3

  Crossover enabled            On

  Straight-through enabled     Off

       PORT 2 PIN CONFIGURATION

          Setting              SW4

  Crossover enabled            On

  Straight-through enabled     Off

                             DIAGNOSTIC LED(S)

   LED        Color          Status                  Condition

   PWR        Green            On                   Power is on

   PWR        Green           Off                  Power is off

   SQE        Yellow           On            Signal Quality Error test
                                                function is enabled

   SQE        Yellow          Off            Signal Quality Error test
                                               function is disabled

   XMT        Green         Blinking         Data is being transmitted

   XMT        Green           Off          Data is not being transmitted

   RCV        Yellow        Blinking          Data is being received

   RCV        Yellow          Off           Data is not being received

   CLN         Red          Blinking       Collision detected on network

   CLN         Red            Off             No collision detected on
                                                      network

   LNK1       Green            On             Port 1 UTP link is good

   LNK1       Green           Off            Port 1 UTP link is broken

   ACT1       Yellow           On            Port 1 is handling network
                                                      traffic

   ACT1       Yellow          Off          Port 1 is not handling network
                                                      traffic

   ACT1       Yellow        Blinking      Port 1 is idle. Time out is set
                             (slow)                to 10 seconds

   ACT1       Yellow        Blinking      Port 1 is idle. Time out is set
                             (fast)                to 2 seconds

   LNK2       Green            On             Port 2 UTP link is good

   LNK2       Green           Off            Port 2 UTP link is broken

   ACT2       Yellow           On            Port 2 is handling network
                                                      traffic

   ACT2       Yellow          Off          Port 2 is not handling network
                                                      traffic

   ACT2       Yellow        Blinking      Port 2 is idle. Time out is set
                             (slow)                to 10 seconds

   ACT2       Yellow        Blinking      Port 2 is idle. Time out is set
                             (fast)                to 2 seconds