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
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
Figure 66. Connector Layout
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.
65
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