PATTON ELECTRONICS COMPANY

1140

Modem Type             Data (synchronous/asynchronous)
Maximum Data Rate      38.4Kbps
Data Bus               External
Data Modulation        Proprietary
Protocol

[Image]

                                CONNECTIONS

        Purpose           Location            Purpose            Location

  Line out                  CN1       RS-232/422                   CN3

  Line in                   CN2

       CARRIER CONTROL

    Setting        SW3/H

  » Always on       Off

  Follows RTS        On

                            CLOCK SOURCE

        Setting                SW3/E                  SW3/F

  » Internal transmit            On                    On

    Receive recover             Off                    On

   External transmit             On                    Off

    DATA RATE FLUCTUATION ALLOWED

      Setting            SW4/C

    -2.5% to 1%           Off

  » -2.5% to 2.3%          On

                 LOOPBACK TEST SELECT

          Setting                     SW2

   Local analog loopback               1

     Normal operation                  2

  Remote digital loopback              3

                MODE

     Setting            SW3/G

  » Asynchronous         On

   Synchronous           Off

           RTS/CTS DELAY

  Setting      SW4/D      SW4/E

  » 7ms         On          On

    53ms        Off         On

  Disabled      On         Off

  Disabled      Off        Off

                             SPEED

   Setting      SW3/A        SW3/B        SW3/C        SW3/D

   1.2Kbps        On           On          On           On

   1.8Kbps       Off           On          On           On

   2.4Kbps        On          Off          On           On

   3.6Kbps       Off          Off          On           On

   4.8Kbps        On           On          Off          On

   7.2Kbps       Off           On          Off          On

  » 9.6Kbps       On          Off          Off          On

  14.4Kbps       Off          Off          Off          On

  19.2Kbps        On           On          On           Off

  28.8Kbps       Off           On          On           Off

  38.4Kbps        On           On          Off          Off

  57.6Kbps       Off           On          Off          Off

                        TEST SELECT

           Setting                         SW1

  Generate 511 test pattern                 1

       Normal operation                     2

  Generate 511E test pattern                3

    V.54 LOOPBACK TEST

   Setting      SW4/H

  » Enabled      Off

  Disabled        On

            WORD LENGTH

  Setting      SW4/A      SW4/B

   8 bit        Off         On

   9 bit        On          On

  » 10 bit      Off        Off

   11 bit       On         Off

  FACTORY CONFIGURED SETTINGS

     Switch         Setting

     SW4/F          Not used

     SW4/G          Not used

                             DIAGNOSTIC LED(S)

     LED          Color         Status                Condition

    ERROR          Red         Blinking      Errors detected during V.54
                                                        test

    ERROR          Red            On            Test pattern generator
                                                     functional

    ERROR          Red            Off             Normal operation

     TEST          Red            On          Local analog loopback test
                                                     in progress

     TEST          Red            Off             Normal operation