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FTBasicMMO FTBVR5K FTB60 FTB177 FTB1050 FTB1802/7 FTB2070 FTB2800 FTB7800 FTB8800 FTB8900
I have tested a number of 2-wire cables with different radios and discovered that certain radios can be problematic - notably the FT-2800 and FT-1802. The matrix below summarises the results of my experiences: All the serial port attach cables were tested on a desktop PC fitted with an ASUS A7N8X-E motherboard with an on-board 9-pin serial port. Where necessary a pigtail adapter has been used to connect to the radio's programming socket.
nyt = not yet tested
Note 1: added a 47K resistor across R13
to raise voltage Here is a picture of my TTL2USB CT-1 unit that I have modified to enable me to vary the output voltage as mentioned in Note 4:
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