36
110
SCANNER AND CABLE TERMINATIONS
Scanner Pinout ConnectionsThe MS7120 scanner interfaces terminateto a 10-pin modular jack. The serial # labelindicates the interface enabled when thescanner is shipped from the factory. Someunits have internal jumpers that can be movedto 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
8Clock 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