MOTOROLA, INC.

3261/3266

Modem Type                   Data (synchronous/asynchronous)
Maximum Data Rate            14.4Kbps
Data Bus                     External
Data Modulation Protocol     Bell 103A/212A

                             ITU-T V.21, V.22, V.22bis, V.32, V.32bis
Error Correction/Compression MNP5, V.42, V.42bis

                             Motorola Codex

[Image]

                                CONNECTIONS

         Purpose            Location           Purpose          Location

  RETURN button               BT1        Leased line out           CN3

  DOWN button                 BT2        120VAC power              CN4

  ACROSS button               BT3        RS-232/422                CN5

  ENTER button                BT4        Network control out       CN6
  (Talk/Data)

  Switched line out           CN1        Network control in        CN7

  Line in                     CN2        Power switch              SW1

    ELECTRICAL INTERFACE SELECTION

  Interface              SW2/1

  » EIA/TIA 232-D          On

  ITU-T V.35              Off

                          TEST/BUSY OUT ON PIN 25

  Mode                                                SW2/2

  » Enable busy out when pin 25 is                     Off
  high

  Self test is in progress when pin 25                 On
  is high

            FRONT PANEL CONFIGURATION

  Mode                            SW2/3

  » Front panel enabled            Off

  Front panel disabled              On

                             RESET MEMORY

  Mode                                           SW2/4

  » Normal operation                              Off

  Reset modem to factory settings                  On

                    COMMAND SETS

  Mode                              SW2/5

  » Command sets enabled             Off

  Command sets disabled              On

  FACTORY CONFIGURED - DO NOT ALTER

      Switch            Position

       SW2/6               Off

                             DIAGNOSTIC LED(S)

     LED          Color        Status                Condition

      RD           Red           On           Modem is receiving data

      RD           Red           Off        Modem is not receiving data

      TR           Red           On              DTR signal is high

      TR           Red           Off             DTR signal is low

    RI/OH          Red           On         Switched line is off-hook or
                                                     is ringing

    RI/OH          Red           Off        Switched line is on-hook and
                                                   is not ringing

      TD           Red           On          Modem is transmitting data

      TD           Red           Off       Modem is not transmitting data

      CD           Red           On           Carrier signal detected

      CD           Red           Off        Carrier signal not detected

    RC/NC          Red           On           Modem is under remote or
                                                  network control

    RC/NC          Red           Off        Modem is under local control

                         Proprietary AT Command Set

               See document V1280 for a full command summary.