UNIDENTIFIED

2400BU MODEM

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.21, V.22, V.22bis

[Image]

                                CONNECTIONS

         Function            Label            Function             Label

  Line in                         CN1       Line out                CN2

            SERIAL PORT ADDRESS

    Setting        SW1/1          SW1/2

  COM1 (3F8h)        On            On

  COM2 (2F8h)       Off            On

  COM3 (3E8h)        On            Off

  COM4 (2E8h)       Off            Off

           INTERRUPT

  Setting    SW2/1      SW2/2

     2        Off        Off

     3         On        Off

     4        Off        On

     5        Off        Off

                         Proprietary AT Command Set

               See document 1916 for a full command summary.