Metrologic Instruments Laser Scanner User Manual
Page 47
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43
S
CANNER AND
C
ABLE
T
ERMINATIONS
(C
ONTINUED
)
Figure 16: Scanner Interface Ports
MS7220-37
Keyboard Wedge, Stand
Alone Keyboard or USB
MS7220-37
RS-232 or Light Pen
Pin
Function
Pin
Function
1
Ground
1
Ground
2
USB D-
2
RS-232 Transmit Output
3
USB D+
3
RS-232 Receive Input
4
PC Data
4
RTS Output
5
PC Clock
5
CTS Input
6
KB Clock
6
DTR Input/LTPN Source
7
PC +5V, V-USB
7
Reserved
8
KB Data
8
LTPN Data
9
+5VDC
9
+5VDC
10
Shield Ground
10
Shield Ground
MS7220-13/-37
Auxilary Port RS232 IN Only
Pin
Function
1
Ground
2
RS-232 Receive Input
3
RS-232 Transmit Output
4
RTS in
5
CTS out
6-10
NC
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