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To control an External Modem, you will need

 * an RS-232 cable connecting a serial port on your PC with the External Modem's serial port

 * an audio cable connecting your transceiver's audio output to your External Modem's audio input

 * an audio cable connecting your External Modem's audio output to your transceiver's audio input

 * a wire connecting your External Modem's PTT output to your transceiver's PTT input

 * to transmit RTTY in FSK, a wire connecting your External Modem's RTTY output to your transceiver's RTTY input

 * to transmit CW, a wire connecting your External modem's CW output with your transceiver's CW input

All of the above connections should be described in detail in your External Modem's user guide.

Controlling an External Modem

WinWarbler can decode and generate CW, RTTY, and other digital modes via an External Modem connected to a serial port. WinWarbler interacts with a connected External Modem by sending it individual commands, e.g. Initialize or begin transmitting or switch to RTTY. The individual commands required for a particular model of External Modem are obtained from an External Modem Command File. WinWarbler includes External Modem Command Files for the KAM 98, MFJ 464, PK232, PK900, and PTC-IIe; you can [http://www.dxlabsuite.com/winwarbler/Help/RTTYModemCommandFiles.htm create an External Modem Control File] for other devices.

Required Connections

To control an External Modem, you will need

  • an RS-232 cable connecting a serial port on your PC with the External Modem's serial port
  • an audio cable connecting your transceiver's audio output to your External Modem's audio input
  • an audio cable connecting your External Modem's audio output to your transceiver's audio input
  • a wire connecting your External Modem's PTT output to your transceiver's PTT input
  • to transmit RTTY in FSK, a wire connecting your External Modem's RTTY output to your transceiver's RTTY input
  • to transmit CW, a wire connecting your External modem's CW output with your transceiver's CW input

All of the above connections should be described in detail in your External Modem's user guide.

Configuring WinWarbler


[:Multimode_Setup:Setting up CW, Phone, PSK, and RTTY Operation]

[:Operation:Getting Started with CW, Phone, PSK, and RTTY Operation]

[:GettingStarted:Getting Started with DXLab]

ExternalModemControl (last edited 2020-01-27 07:19:33 by AA6YQ)