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SCANNER AND CABLE TERMINATIONS
Scanner Pinout Connections
The MS7120 scanner interfaces terminate
to a 10-pin modular jack. The serial # label
indicates the interface enabled when the
scanner is shipped from the factory. Some
units have internal jumpers that can be moved
to enable a different electrical interface.
Current combinations are listed below.
MS7120-9 OCIA
JP1 = Open and JP2 = Closed
MS7120-67 RS-232/LTPN
JP1 = Closed and JP2 = Open
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 RTS Output
5 RDATA Return CTS Input
6 Clock in DTR Input/LTPN Source
7 Clock out Reserved
8
Clock in Return/Clock out
Rtrn
LTPN Data
9+5VDC +5VDC
10 Shield Ground Shield Ground
MS7120-47 Keyboard Wedge
JP1 = Open and JP2 = Closed
MS7120-41 RS-232/LTPN
JP1 = Closed and JP2 = Open
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 PC Data RTS Output
5 PC Clock CTS Input
6 KB Clock DTR Input/LTPN Source
7 PC +5V Reserved
8 KB Data LTPN Data
9+5VDC +5VDC
10 Shield Ground Shield Ground
Continued next page
Options listed are program/cable selections