MOTOROLA, INC.

DDS/MR64

Card Type             Modem (synchronous/asynchronous)
Chip Set              Unidentified
Maximum Data Rate     64Kbps
Data Bus              External
Data Modulation       Unidentified
Protocol

[Image]

                                CONNECTIONS

         Function            Label            Function             Label

  Line out                       CN1       Power switch             SW3

  V.24/V.35 connector            CN2

                        USER CONFIGURABLE SETTINGS

                 Setting                     Label          Position

  Chassis ground connected to signal          JP1       Pins 2 & 3 closed
  ground

  Chassis ground not connected to signal      JP1       Pins 1 & 2 closed
  ground

  Factory configured - do not alter           JP2         Unidentified

  Test mode pins of interface not             S1/1            Off
  connected

  Test mode pins of interface connected       S1/1             On

  No Signal output of V.35 interface not      S1/2            Off
  connected

  No Signal output of V.35 interface          S1/2             On
  connected

  +12V pin of interface not connected         S1/3            Off

  +12V pin of interface connected             S1/3             On

  -12V pin of interface not connected         S1/4            Off

  -12V pin of interface connected             S1/4             On

  Factory configured - do not alter           S1/5            Off

  No Signal output of V.24 interface not      S1/6            Off
  connected

  No Signal output of V.24 interface          S1/6             On
  connected

  TP and LL pins of V.35 interface follow     S1/7             On
  V.35 standard

  TP and LL pins of V.35 interface follow     S1/7            Off
  Motorola standard (swapped)

  Factory configured - do not alter           S1/8            Off

                               CLOCK SOURCE

        Setting            S2/1         S2/2        S2/3          S2/4

   Normal operation        Off          Off          On            On

     Source sealing         On           On          Off          Off
        current

           SERIAL PORT TYPE

   Setting       SW1          SW2

  V.35 port      Off          Off

  V.24 port       On          On