MOTOROLA, INC.

RM201C

Card Type             Modem (synchronous/asynchronous)
Chip Set              Unidentified
Maximum Data Rate     2400bps
Data Bus              External
Data Modulation       Unidentified
Protocol

[Image]

                                CONNECTIONS

        Function           Label             Function              Label

  Line out                     CN1      Eye Pattern connector       CN4

  Line in                      CN2      AC power in                 CN5

  RS-232/422                   CN3      Power/Error switch          SW1

                        USER CONFIGURABLE SETTINGS

                  Setting                      Label         Position

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

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

  Transmit level set to -9 (permissive)         JP2          Pins 1 & 2
                                                              closed

  Transmit level set to programmable            JP2          Pins 2 & 3
                                                              closed

  Long haul equalization                        JP3          Pins 1 & 2
                                                              closed

  Short haul equalization                       JP3          Pins 2 & 3
                                                              closed

  Internal clock source                         S1/3            Off

  External clock source                         S1/3            On

  Factory configured - do not alter             S1/4            N/A

  Factory configured - do not alter             S1/5            N/A

  CD normal                                     S1/6            Off

  CD forced high                                S1/6            On

  Factory configured - do not alter             S1/7            N/A

  Factory configured - do not alter             S1/8            N/A

  Squelch receiver for 8ms during carrier       S2/3            Off
  detection

  Squelch receiver for 110ms during carrier     S2/3            On
  detection

  Auto-answer enabled                           S2/4            On

  Auto-answer disabled                          S2/4            Off

  CD signal level set to -30dBm                 S2/5            Off

  CD signal level set to -45dBm                 S2/5            On

  Factory configured - do not alter             S2/6            N/A

  Use Type A modulation                         S2/7            On

  Use Type B modulation                         S2/7            Off

  Factory configured - do not alter             S2/8            N/A

   CTS ECHO SUPPRESION DELAY

  Setting     S1/1      S1/2

    0ms        On        Off

    9ms       Off        On

   25ms       Off        Off

   150ms       On        On

                 DISCONNECT DETECTION TIME

      Setting              S2/1                S2/2

      Disabled              Off                Off

  50ms disconnect           On                 Off

  100ms disconnect          Off                 On

  200ms disconnect          On                  On

  ANSWER-BACK TONE ECHO SUPPRESION

  Setting       S2/9        S2/10

  Disabled      Off          Off

   1000ms        On          Off

   200ms        Off          On

   400ms         On          On

                             DIAGNOSTIC LED(S)

    LED        Color      Status                  Condition

   OH/RI        Red         On                Modem is off-hook

   OH/RI        Red        Off                Modem is on-hook

   OH/RI        Red      Blinking             Phone is ringing

     TR         Red         On               DTR signal is high

     TR         Red        Off                DTR signal is low

     CD         Red         On        Carrier signal has been detected

     CD         Red        Off       Carrier signal has not been detected

     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

     RS         Red         On               RTS signal is high

     RS         Red        Off                RTS signal is low