![]() does not guarantee the applicability to any specific installation. The information here appears as a reference and a courtesy but Dog Park Software Ltd. If you want to home brew your own cable, see the section below on Macintosh Serial Port Hardware. These level shifters assume an RS-232 connection to the computer, so if you are using a classic Macintosh RS-422 modem port or a Keyspan twin serial adapter with RS-422 ports you will need a Mac Modem cable to convert the RS-422 levels to RS-232. While some of the newer ones like the FT-817 use a CT-62 cable/level shifter. The manual for your radio will usually include a reference to which (if any) level converter is needed. While some of the latest radios (ie Kenwood TS-2000) have an RS-232 port built into the radio, most radios require a TTL-RS-232 level converter. If you have specific cabling solutions that have worked for you, please send them in by email and I will be glad to include them in future releases of the manual. Links to the manufacturers sites are included. Note: These are not the only options, nor are they guaranteed to work with your particular configuration, they are just the devices that I have had good luck with here at Dog Park Software Ltd. ![]() ![]() If you are using DTR and RTS to key the radio un-check the DTR and RTS check boxes in the MacLoggerDX Prefs - otherwise leave them checked. ![]()
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