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cstocksd
Joined: 09 Feb 2024 Posts: 3 Location: US |
Posted: Thu Feb 15, 2024 9:15 pm Post subject: URC 7880 Pin configuration and SH-U09G cable |
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I purchased and installed the driver per the instructions that came with the SH-U09G USB Cable. Ready to give RMIR a try but need to understand:
1. what are the pin descriptions on the 7880 and
2. Pin 1 is not identified on the board. (there is a white dot next to one pin... it that #1
3. have seen posts that indicate to take the batteries out and some to leave them in... which is it for the 7880
what other really stupid thing have I forgotten?
Many thanks!! |
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mathdon Expert
Joined: 22 Jul 2008 Posts: 4523 Location: Cambridge, UK |
Posted: Mon Feb 19, 2024 1:05 pm Post subject: |
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The pin marked with a white dot IS pin 1. The pattern for the remaining pins is
2 4 6
1 3 5
You will see it in this orientation when looking at the back, laid horizontally with the top end on the left. You leave the batteries IN when using RMIR.
I see that your cable has individually labelled separate leads. You only connect four of the pins:
2=RTS 3=GND 4=TXD 6=RXD
Hope this answers your questions. _________________ Graham |
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cstocksd
Joined: 09 Feb 2024 Posts: 3 Location: US |
Posted: Mon Feb 19, 2024 10:20 pm Post subject: |
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Thank you sooo much for the assist. While my Mom doesn't know yet, but she thanks you too!!
I'm trying this tonight! |
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