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Amp interface

W3DQS Andy Beary
W3DQS Andy Beary Member ✭
edited March 2019 in New Ideas
Flex USB-RS232 cable works (almost) with Tokyo Hy-Power amplifier.  To remotely band switch the HL-1.5KFX amplifier, I connected the UTR232R-200 cable from one of the USB ports on the Flex 6500 to the RS-232 port marked "Kenwood" on the amplifier.  Use standard settings of 9600-8-n-1, and place Band Select switch in "Kenwood" position.  In SSDR (v2.4.9.196,) go to Settings - USB Cables, and select "CAT" as the cable type, and "TX Slice" as the Source.  The standard cable from Flex requires a M-F Null Modem adapter to swap the TXD and RXD pins, but other than that it's a real simple solution.  My HL-1.5KFX amplifier does not require full 100 watts input to get the rated 1000 watts output, so I have max  TX power for the Flex 6500 set to 90 watts  - and reduce that output power to 70 watts on CW and DIGU modes.

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  • Patrick Greenlee
    Patrick Greenlee Member
    edited March 2019
    Could anyone please direct me to where I might find information on how to do the same basic thing as the OP (Andrew Beary) did but with a Flex 5000A.  I enjoy the 5000 but all manual band switching and senior moments clash.

    Thanks in advance for any leads.
    Patrick        NJ5G

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