36
10
Appendix C
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.
MS9520-9 & MS9520-9 OCIA
MS9520-47 & MS9540-47
Keyboard Wedge and Stand-
Alone Keyboard
Pin Function Function
1 Ground Ground
2 RS-232 Transmit Output RS-232 Transmit Output
3 RS-232 Receive Input RS-232 Receive Input
4 RDATA PC Data
5 RDATA Return PC Clock
6 Clock in KB Clock
7 Clock out PC +5V
8 Clock in Return/Clock out Rtrn KB Data
9 +5VDC +5VDC
10 Shield Ground Shield Ground
MS9520-41 & MS9540-41 RS-232C
and Light Pen Emulation
MS9520-11 & MS9540-11 IBM
468X/469X
Pin Function Function
1 Ground Ground
2 RS-232 Transmit Output RS-232 Transmit Output
3 RS-232 Receive Input RS-232 Receive Input
4 RTS Output RTS Output
5 CTS Input CTS Input
6 DTR Input/LTPN Source DTR Input
7 Reserved IBM B-Transmit
8
LTPN Data
IBM A+ Receive
9 +5VDC +5VDC
10 Shield Ground Shield Ground
Options listed are program/cable selections
