BCR PORT

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Pin# Signal
1
2 DATA Input, 5v TTL, 0-5vdc
3
4
5 GND* N/C on T102 & 200, GND on M100, NEC PC-8300
6
7 GND
8
9 VCC +5vdc power output. Crashes machine if you draw more than 60-70ma.
Shell Plastic shell, N/C

BCR-to-USB power tap

https://github.com/bkw777/BCR_Breakout