PROMETHEUS PRODUCTS, INC.

CYBERPORT PC144E, CYBERPORT M144E

Card Type                    Fax, Modem (synchronous/asynchronous)
Chip Set                     Unidentified
Maximum Data Rate            14.4Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     External
Fax Class                    Class II
Data Modulation Protocol     Bell 103/212A

                             ITU-T V.21, V.22, V.22bis, V.23, V.32,
                             V.32bis
Fax Modulation Protocol      ITU-T V.17, V.21CH2, V.27ter, V.29, V.33
Error Correction/Compression MNP5, V.42, V.42bis

[Image]

                                CONNECTIONS

         Function           Label             Function             Label

  Line out                       CN1       DC power                 CN4

  Line in                        CN2       Power switch             SW1

  RS-232/422                     CN3

                             DIAGNOSTIC LED(S)

   LED       Color      Status                   Condition

    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

    IO        Red         On         Modem is receiving or transmitting
                                                    data

    IO        Red         Off      Modem is not receiving or transmitting
                                                    data

    MR        Red         On                    Power is on

    MR        Red         Off                   Power is off

                         Proprietary AT Command Set

                          FLOW CONTROL - HARDWARE

  Type:                  Configuration

  Format:                AT [cmds] \Ln [cmds]

  Description:           Selects hardware flow control

        Command                              Function

          \L0            Hardware flow control enabled, for Macintosh
                         using Mac modem cable

          \L1            Hardware flow control disabled, for PC or
                         Macintosh connected with hardware flow control
                         cable

             See document V2257 for remaining command summary.