WESTERMO TELEINDUSTRI AB

LD-01

Card Type                Modem
Chip Set                 Unidentified
I/O Options              9-pin serial port (RS-232), terminal blocks (3)
Data Modulation Protocol ITU-T V.24/V.28
Wiring Type              Unshielded twisted pair
Maximum Data Rate        38.4Kbps
Data Bus                 External

[Image]

                                            CONNECTIONS

                    Function                       Label             Function               Label

  9-pin DCE serial port - channel 1                CN1     DCE serial port - channel 4       CN4

  DCE serial port - channel 2 (5 pole terminal     CN2     AC power (3 pole terminal         CN5
  block)                                                   block)

  DCE serial port - channel 3                      CN3

  Note: CN3 & CN4 are separate serial interfaces on a 9 pole terminal block

                        USER CONFIGURABLE SETTINGS

                   Function                     Label        Position

  10mA balance current loop enabled on            J1        Pins 2 & 3
  channel 2                                                   closed

  RS-232-C/V.24 interface enabled on channel      J1        Pins 1 & 2
  2                                                           closed

  10mA balance current loop enabled on            J2        Pins 2 & 3
  channel 3                                                   closed

  RS-232-C/V.24 interface enabled on channel      J2        Pins 1 & 2
  3                                                           closed

  Factory configured - do not alter              S1/3          Off

  Factory configured - do not alter              S1/4          Off

                        MASTER/SLAVE CONFIGURATION

                  Setting                         S1/1           S1/2

  Communication between all units enabled          On             On

  Communication between masters and slaves        Off            Off
                  enabled

                             DIAGNOSTIC LED(S)

   LED         Color         Status                 Condition

   PWR      Unidentified       On                  Power is on

   PWR      Unidentified      Off                 Power is off

    RD      Unidentified       On            Modem is receiving data

    RD      Unidentified      Off          Modem is not receiving data

    TD      Unidentified       On          Modem is transmitting data

    TD      Unidentified      Off        Modem is not transmitting data

   DCD2     Unidentified       On       Data carrier present on channel 2

   DCD2     Unidentified      Off           Data carrier not present.
                                          Connection not established on
                                                    channel 2

   DCD3     Unidentified       On       Data carrier present on channel 3

   DCD3     Unidentified      Off           Data carrier not present.
                                          Connection not established on
                                                    channel 3

   DCD4     Unidentified       On       Data carrier present on channel 4

   DCD4     Unidentified      Off           Data carrier not present.
                                          Connection not established on
                                                    channel 4