Chapter 4 ELECTRICAL SIGNALS
UNI-5 Service Manual 4-3
XJ1
No. Signal Name Direction Opposite Side
1 DC3.3V -
Unused
2 GND -
3 RXD ←
4 TXD →
XJ9
No. Signal Name Direction Opposite Side
1 Internal BAT+ -
1-2 : internalBAT
2-3 : externalBAT
*default 1-2short
2 Common BAT+ -
3 External BAT+ -
XJ10
No. Signal Name Direction Opposite Side
1 BAT+ -
Unused
2 GND -
XJ7
No. Signal Name Direction Opposite Side
1 DC+5V -
PK-265(XJ1)
2 GND -
XJ22
No. Signal Name Direction Opposite Side
1 DC+5V -
Unused
2 GND -
3 TxD →
4 RTS →
5 RxD ←
6 CTS ←
XJ8
No. Signal Name Direction Opposite Side
1 DC+5V -
Unused
2 GND -
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