SCANNER AND CABLE TERMINATIONS
Scanner Pinout Connections
The MS7220 scanner interfaces terminate to
MS7220-12
OCIA
Pin Function
1Ground
2
3
4RDATA
5RDATA Return
6Clock in
7Clock out
8Clock in Return/Clock out Rtrn
9+5VDC
10 Shield Ground
MS7220-12 Keyboard Wedge
or
Stand-Keyboard
Pin Function
1Ground
2
3
4PC Data
5PC Clock
6KB Clock
7PC +5V
8KB Data
9+5VDC
10 Shield Ground
MS7220-12
RS-232 or Light Pen
Pin Function
1Ground
2
3
4RTS Output
5CTS Input
6DTR Input/LTPN Source
7Reserved
8LTPN Data
9+5VDC
10 Shield Ground
Continued next page
40