IBM CORPORATION

INTERNAL MODEM 2400BPS

Card Type                Modem (asynchronous)
Chip Set                 Unidentified
Maximum Data Rate        2400bps
Data Bus                 8-bit ISA
Data Modulation Protocol Bell 103/212A

                         ITU-T V.22bis

[Image]

                                CONNECTIONS

        Function           Label             Function              Label

  Line out                     CN1      Speaker adapter             CN3
                                        connection

  Line in                      CN2

                     SERIAL PORT ADDRESS

       Setting                E1                  E2

     COM1 (3F8h)       Pins 1 & 2 closed   Pins 1 & 2 closed

     COM2 (2F8h)       Pins 2 & 3 closed   Pins 2 & 3 closed

                         Proprietary AT Command Set

               See document V2029 for a full command summary.