
MOTOROLA, INC.

V.2225

Card Type             Modem (synchronous/asynchronous)
Chip Set              Unidentified
Maximum Data Rate     1200bps
Data Bus              External
Data Modulation       Bell 103, 212A
Protocol
                      ITU-T V.21, V.22

[Image]

                                CONNECTIONS

        Function           Label             Function              Label

  Line out                     CN1      AC power in                 CN4

  Line in                      CN2      Talk/data switch            SW1

  RS-232/422                   CN3      300/1200bps switch          SW2

                        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

  Transmit level set to -9 (permissive)       JP2       Pins 2 & 3 closed

  Transmit level set to programmable          JP2       Pins 1 & 2 closed

  Factory configured - do not alter           JP5         Unidentified

  Factory configured - do not alter           JP6         Unidentified

  Factory configured - do not alter           JP7         Unidentified

  Factory configured - do not alter           JP8         Unidentified

  Factory configured - do not alter           JP9         Unidentified

  Factory configured - do not alter           JP10        Unidentified

  Factory configured - do not alter           JP11        Unidentified

  Factory configured - do not alter           JP12        Unidentified

  Factory configured - do not alter           JP13            N/A

  Synchronous mode does not detect ring       JP14      Pins 2 & 3 closed
  and dial tone

  Synchronous mode detects ring and dial      JP14      Pins 1 & 2 closed
  tone

  Factory configured - do not alter           JP15        Unidentified

  Factory configured - do not alter           JP16        Unidentified

                    USER CONFIGURABLE SETTINGS (CONT)

                   Setting                      Label        Position

  Synchronous mode uses ASCII                    S3/3           On

  Synchronous mode uses EBCDIC                   S3/3           Off

  Asynchronous mode uses 10-bit characters       S4/1           Off

  Asynchronous mode uses 11-bit characters       S4/1           On

  Bell/ITU-T mode determined by B command        S4/2           Off

  Use ITU-T protocols                            S4/2           On

  DTR normal                                     S4/3           Off

  DTR used for off/on hook in manual             S4/3           On
  answer/originate

  Line will not be set busy during test          S4/4           Off
  modes

  Line will be set busy during test modes        S4/4           On

  Line type determined by &L command             S4/5           Off

  Leased-line mode                               S4/5           On

  Modem operates in answer mode in               S4/6           Off
  leased-line mode

  Modem operates in originate mode in            S4/6           On
  leased-line mode

  Simulated half-duplex to another V.2225        S4/7           Off
  disabled

  Simulated half-duplex to another V.2225        S4/7           On
  enabled

  Sync/async mode set by &M command              S4/8           Off

  Synchronous mode                               S4/8           On

  DCD forced low when idle                       S5/1           Off

  DCD forced high when idle                      S5/1           On

  DSR forced low when idle                       S5/2           Off

  DSR forced high when idle                      S5/2           On

  CTS forced low when idle                       S5/3           Off

  CTS forced high when idle                      S5/3           On

  Auto-answer disabled in dumb mode              S5/4           Off

  Auto-answer enabled in dumb mode               S5/4           On

  Modem will not automatically reconnect         S5/5           Off

  Modem will automatically reconnect after 3     S5/5           On
  seconds

  Disconnect modem on receipt of long space      S5/6           Off
  if indicated by Y command

  Disconnect modem on receipt of long space      S5/6           On

  Disconnect on loss of carrier                  S5/7           Off

  Do not disconnect on loss of carrier           S5/7           On

  Asynchronous mode: Follow &D on low DTR        S5/8           Off

  Synchronous mode: Do not disconnect modem
  on low DTR

  Asynchronous mode: Disconnect and reset        S5/8           On
  modem on low DTR

  Synchronous mode: Disconnect modem on low
  DTR

            Note: JP13 is used for jumper storage only.

                       HANDSET POLARITY

       Setting               JP3                  JP4

       Normal          Pins 2 & 3 closed   Pins 1 & 2 closed

      Reversed         Pins 1 & 2 closed   Pins 2 & 3 closed

                  DATA PARITY

    Setting          S3/1            S3/2

  Even parity         Off            Off

  Space parity        On             Off

   Odd parity         Off             On

  Mark parity         On              On

                         CLOCK SOURCE

       Setting               S3/4                S3/5

  Set by &X command          Off                  Off

      Internal                On                  Off

      External               Off                  On

        Slave                 On                  On

                        COMMAND SET AND AUTO-ANSWER

  Command Set       Auto-Answer        SW3/6        SW3/7        SW3/8

    Disabled         See S5/4           Off          Off          Off

   AT command       Set with S0         On           Off          Off
      set

  V.25bis Byte        Enabled           Off          On           Off
      Sync

  V.25bis SDLC        Enabled           On           On           Off

     V.25bis          Enabled           Off          Off           On
     Bisync

  V.25bis Byte       Disabled           On           Off           On
      Sync

  V.25bis SDLC       Disabled           Off          On            On

     V.25bis         Disabled           On           On            On
     Bisync

            TRANSMISSION ATTENUATION LEVEL

  Setting    SW6/1      SW6/2      SW6/3      SW6/4

   0dBm       Off        Off        Off        Off

   -1dBm       On        Off        Off        Off

   -2dBm      Off         On        Off        Off

   -3dBm       On         On        Off        Off

   -4dBm      Off        Off        On         Off

   -5dBm       On        Off        On         Off

   -6dBm      Off         On        On         Off

   -7dBm       On         On        On         Off

   -8dBm      Off        Off        Off        On

   -9dBm       On        Off        Off        On

  -10dBm      Off         On        Off        On

  -11dBm       On         On        Off        On

  -12dBm      Off        Off        On         On

  -13dBm       On        Off        On         On

  -14dBm      Off         On        On         On

  -15dBm       On         On        On         On

                             DIAGNOSTIC LED(S)

    LED        Color      Status                  Condition

   MR/RI        Red         On                   Power is on

   MR/RI        Red        Off                  Power is off

   MR/RI        Red      Blinking             Phone is ringing

     TR         Red         On               DTR signal is high

     TR         Red        Off                DTR signal is low

     HS         Red         On          Modem is operating at 1200bps

     HS         Red        Off          Modem is operating at 300bps

     RD         Red         On             Modem is receiving data

     RD         Red        Off           Modem is not receiving data

     TD         Red         On           Modem is transmitting data

     TD         Red        Off         Modem is not transmitting data

     TM         Red         On              Modem is in test mode

     TM         Red        Off            Modem is not in test mode

            Note: The functions of MC and LED1 are unidentified.

