Chapter 4 ELECTRICAL SIGNALS
4-4 UNI-3 Service Manual
XJ21
No. Signal Name Direction Opposite Side
1,2,3,4,8 A/D board control signal <-->
A/D board PS-067*
5,9 GND -
6 DC+5V -
7,11 Not connected
10 DC+12V for A/D board -
XJ22
No. Signal Name Direction Opposite Side
1 Battery+ -
Jumper 2 Back up power -
3 Not connected
XJ25
No. Signal Name Direction Opposite Side
1 Vbus -
USB memory
2 D- <-->
3 D+ <-->
4 GND -
XJ101
No. Signal Name Direction Opposite Side
1 DC+5V -
Scanner
2 GND -
3 TxD ->
4 RTS ->
5 RxD <-
6 CTS <-