U.S. ROBOTICS, INC.

COURIER DUAL STANDARD V.34 FAX (EXTERNAL)

Card Type                    Fax, Modem (synchronous/asynchronous)
Chip Set                     U.S. Robotics
Maximum Data Rate            28.8Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     External
Fax Class                    Class I & II
Data Modulation Protocol     Bell 103/212A

                             ITU-T V.21, V.22, V.22bis, V.23, V.25bis,
                             V.32, V.32bis, V.34

                             Rockwell V.FC

                             U.S. Robotics HST, V.32terbo
Fax Modulation Protocol      ITU-T V.17, V.21, V.27ter, V.29
Error Correction/Compression HST, MNP5, V.42, V.42bis

[Image]

                                CONNECTIONS

        Function           Label             Function              Label

  RS-232/422                    CN1      DC power                   CN4

  Line out                      CN2      Voice/Data switch          SW2

  Line in                       CN3      Power switch               SW3

                        USER CONFIGURABLE SETTINGS

                     Setting                         Label      Position

  DTR normal                                         SW1/A        Off

  DTR forced high                                    SW1/A         On

  Verbose (word) format enabled                      SW1/B        Off

  Numeric format enabled                             SW1/B         On

  Result code display enabled                        SW1/C         On

  Result code display disabled                       SW1/C        Off

  Local echo enabled                                 SW1/D        Off

  Local echo disabled                                SW1/D         On

  Auto-answer disabled                               SW1/E         On

  Auto-answer enabled, off-hook on first ring        SW1/E        Off

  CD normal                                          SW1/F        Off

  CD forced high                                     SW1/F         On

  Result code display enabled in both originate      SW1/G        Off
  and answer mode

  Result code display enabled in originate mode      SW1/G         On
  only

  Smart mode                                         SW1/H         On

  Dumb mode                                          SW1/H        Off

  Escape code response: modem goes on-hook,          SW1/I        Off
  off-line command mode, returns ‘NO CARRIER’

  Escape code response: modem stays on-line,         SW1/I         On
  on-line command mode, returns ‘OK’

  Reset and load from profiles in NVRAM              SW1/J        Off

  Reset and load from factory settings in ROM        SW1/J         On

                             DIAGNOSTIC LED(S)

     LED        Color       Status                  Condition

     HS          Red          On         Modem is operating at 2400bps or
                                                     faster

     HS          Red          Off       Modem is operating at slower than
                                                     2400bps

     AA          Red          On               Auto-answer enabled

     AA          Red          Off             Auto-answer disabled

     AA          Red       Blinking             Phone is ringing

     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

     RD          Red          On             Modem is receiving data

     RD          Red          Off          Modem is not receiving data

     SD          Red          On           Modem is transmitting data

     SD          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

     RS          Red          On             Modem sends RTS signal

     RS          Red          Off         RTS forced low during receive
                                           data hardware flow control

     CS          Red          On           Synchronous transmission or
                                           before CTS forced low during
                                         transmit hardware flow control

     CS          Red          Off       Modem doesn’t send CTS to remote

     SYN         Red          On            Modem in synchronous mode

     SYN         Red          Off         Modem not in synchronous mode

     SYN         Red       Blinking           Dial security enabled

   ARQ/FAX       Red          On         Modem is connected in ARQ mode

   ARQ/FAX       Red          Off         Modem is not connected in ARQ
                                                      mode

   ARQ/FAX       Red      Slow blink        Data being retransmitted

   ARQ/FAX       Red      Fast blink     Modem is connected in FAX mode

                         Proprietary AT Command Set

               See document V2007 for a full command summary.