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SCANNER AND CABLE TERMINATIONS
Scanner Pinout Connections
MS9520-41 & MS9540-41
RS-232C and Light Pen Emulation
Pin Function
1 Ground
2 RS-232 Transmit Output
3 RS-232 Receive Input
4 RTS Output
5 CTS Input
6 DTR Input/LTPN Source
7 Reserved
8 LTPN Data
9+5VDC
The MS9520 and MS9540
scanner interfaces terminate to
a 10-pin modular jack. The
serial # label indicates the
interface enabled when the
scanner is shipped from the
factory.
10 Shield Ground
MS9520-47 & MS9540-47 Keyboard
Wedge and Stand-Alone Keyboard
Pin Function
1 Ground
2 RS-232 Transmit Output
3 RS-232 Receive Input
4 PC Data
5 PC Clock
6 KB Clock
7PC +5V
8 KB Data
9+5VDC
10 Shield Ground
MS9520-11 & MS9540-11 IBM 468X/469X
Pin Function
1 Ground
2 RS-232 Transmit Output
3 RS-232 Receive Input
4 RTS Output
5 CTS Input
6 DTR Input
7 IBM B-Transmit
8 IBM A+ Receive
9+5VDC
10 Shield Ground
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