U.S. ROBOTICS, INC.

COURIER V.32BIS WITH ASL

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

                             ITU-T V.22, V.22bis, V.23, V.32, V.32bis
Error Correction/Compression MNP5, V.42, V.42bis

[Image]

                                CONNECTIONS

         Purpose             Location          Purpose           Location

  Line out                     CN1       DC power                  CN4

  Line in                      CN2       Volume                    R1

  RS-232/422                   CN3       Power switch              SW2

                       MI/MIC POLARITY

  Setting                     J6                  J8

  » Normal             Pins 1 & 2 closed   Pins 1 & 2 closed

  Reversed             Pins 2 & 3 closed   Pins 2 & 3 closed

                       TX/RX PIN ASSIGNMENT

  Setting                                      SW3

  » Off                                  Normal operation

  On                              reverse TX/RX pin assignments

              DTR SIGNAL

  Setting                SW1/1

  » On              DTR forced high

  Off                  DTR normal

                          RESULT CODES

  Setting                                    SW1/2

  » Off                          Verbose result codes enabled

  On                             Numeric result codes enabled

          RESULT CODES DISPLAY

  Setting                  SW1/3

  » On                Display enabled

  Off                Display disabled

            ECHO COMMANDS DISPLAY

  Setting                      SW1/4

  » Off                  Local echo enabled

  On                    Local echo disabled

                                AUTO ANSWER

  Setting                                            SW1/5

  » On                                Modem does not answer on first ring

  Off                                     Modem answers on first ring

           CARRIER DETECT

  Setting               SW1/6

  » Off               CD normal

  On               CD forced high

                           RESULT CODES DISPLAY

  Setting                                           SW1/7

  » Off                                Display result codes in originate
                                               and answer modes

  On                                 display result codes in Answer mode

                    AT COMMAND SET

  Setting                            SW1/8

  » On                       AT command set enabled

  Off                       AT command set disabled

                                ESCAPE CODE

  Setting                                           SW1/9

  » Off                               Disconnect, go to command mode and
                                        display NO CARRIER when escape
                                            character is received

  On                                   Go to command mode and display OK
                                     result code when escape character is
                                                   received

                 USER PROFILE

  Setting                      SW1/10

  » Off                  Use stored profile

  On                    Use factory default

                        VOICE/DATA

           Setting                        SW4

  Note: for switch functions see table for register S32.

                             DIAGNOSTIC LED(S)

    LED        Color         Status                  Condition

    HS          Red            On          Modem is operating at 4800bps
                                                     or faster

    HS          Red            Off          Modem is operating at slower
                                                   than 4800bps

    AA          Red            On               Auto-answer enabled

    AA          Red            Off             Auto-answer disabled

    CD          Red            On             Carrier signal detected

    CD          Red            Off          Carrier signal not detected

    OH          Red            On                Modem is off-hook

    OH          Red            Off               Modem is on-hook

    RX          Red         Blinking          Modem is receiving data

    RX          Red            Off          Modem is not receiving data

    TX          Red         Blinking        Modem is transmitting data

    TX          Red            Off        Modem is not transmitting data

    TR          Red            On               DTR signal is high

    TR          Red            Off               DTR signal is low

    MR          Red            On                   Power is on

    MR          Red            Off                 Power is off

    MR          Red         Blinking           Retraining/test mode

    RS          Red            On               RTS signal is high

    RS          Red            Off               RTS signal is low

    CS          Red            On               CTS signal is high

    CS          Red            Off               CTS signal is low

    EC          Red            On              Error control enabled

    EC          Red            Off            Error control disabled

    EC          Red         Blinking       Modem is retransmitting data

    SYN         Red            On                Synchronous mode

    SYN         Red            Off               Asynchronous mode

                         Proprietary AT Command Set

               See document V1264 for a full command summary.