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65
Scanner and Cable Terminations
Scanner Pinout Connections
The MS2420 scanner terminates to 10-pin modular jacks located on the bottom of the unit. The serial number
label indicates the model number and interface of the scanner.
EAS
DC Power
Figure 66. Connector Layout
Pin
Function
Pin
Function
1 EAS In
1 No Connect
2 EAS Out
2 Earth Ground
3 No Connect
4 5.2VDC
5 Ground
6 12VDC
Scanner to Host, RS485 Scanner to Host, RS232
Pin
Function
Pin
Function
1
Signal Ground
1
Ground
2
Reserved for RS232 Interface
2
RS232 Transmit
3
Reserved for RS232 Interface
3
RS232 Receive
4
Reserved for RS232 Interface
4
RS232 RTS Output
5
Reserved for RS232 Interface
5
RS232 CTS Input
6
Reserved for RS232 Interface
6
RS232 DTR Input
7
No Connect
7
No Connect
8
Reserved for RS232 Interface
8
DSR
9
IBM B-
9
Reserved for RS485 Interface
10
IBM A+
10
Reserved for RS485 Interface
Scanner to Host, USB Auxiliary RS232 In
Pin
Function
Pin
Function
1
Signal Ground
1
Ground
2
RS232 Transmit
2
RS232 Receive Input
3
RS232 Receive
3
RS232 Transmit Output
4
Shield
4
RS232 RTS In
5
No Connect
5
RS232 CTS Out
6
RS232 CTS Input (EAS GPIO IN)
6
EAS GPIO IN
7
PC+5VDC
7
Ground
8
RS232 RTS Output (EAS GPIO OUT)
8
EAS GPIO OUT
9
Data -
9
+5V Out
10
Data +
10
No Connect
Specifications are subject to change without notice.