OMNITEL, INC.

T2400-PC3

Modem Type                   Data (Asynchronous/Synchronous)
Maximum Data Rate            2400 bps
Maximum Fax Rate             N/A
Data Bus                     8-bit ISA
Fax Class                    N/A
Data Modulation Protocols    Bell 103A & 212A

                             ITU-T V.22 & V.22 bis & V.21
Fax Modulation Protocols     N/A
Error Correction/Compression Unidentified

                                  [Image]

                                CONNECTIONS

           Purpose         Location         Purpose          Location

     Line in                 CN1       Line out                CN2

                         COM PORT CONFIGURATIONS

                          COM     SW1/1     SW1/2

                         COM1       On       On

                         COM2       On       Off

                         COM3      Off       On

                         COM4      Off       Off

                        DATA TERMINAL READY - DTR

                          Setting         SW1/3

                          Disabled         Off

                          Enabled           On

                           CARRIER DETECT - CD

                            Setting     SW1/4

                           Disabled      Off

                            Enabled       On

                       FACTORY CONFIGURED SETTINGS

                          Switch             Setting

                           SW1/5            Off

                           SW1/6            Off

                          CLEAR TO SEND OPTIONS

                       Setting                    J3

                   CTS follows RTS      Pins 1 & 2 closed

                    CTS follows CD      Pins 2 & 3 closed

                        &R- COMMUNICATIONS OPTIONS

  Note:          The &T1R Loopback connection established in answer mode.

    Command                              Protocol

     &T1R        Establish loopback connection in answer mode.

  Note: If you do not want to be in answer mode leave off the R on the
  end of the command.

                          PROPRIETARY COMMAND SET

  Type:                Configuration

  Format:              ATS(register)=(Command Value)

  Example:             ATS18=0&T8

  Description:         Writes to or reads from a specified register.

       Register         Command Value                Function

         S18                 0&T8        Connects modem in originate
                                         mode, 0 set manual termination.

         S18                30&T8        Connects modem in originate
                                         mode, 30 set timed termination
                                         to 30 seconds.

  Note: If you want answer mode add an R to the end of the command.