
Scanner and Cable Terminations
Scanner Pinout Connections
The MS2421/MS2422/MS2431 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 39. Connector Layout
Scanner to Host, RS485
Scanner to Host, RS232
Reserved for RS232 Interface
Reserved for RS232 Interface
Reserved for RS232 Interface
Reserved for RS232 Interface
Reserved for RS232 Interface and EAS
RS232 DTR Input (EAS GPIO IN)
Reserved for RS232 Interface and EAS
Reserved for RS485 Interface
Reserved for RS485 Interface
Scanner to Host, USB
Auxiliary RS232 In
1 Signal Ground
1 Ground
2 RS232 Transmit
2 RS232 Receive Input
4 Shield
4 RS232 RTS In
5 No Connect
5 RS232 CTS Out
RS232 CTS Input (EAS GPIO IN)
7 PC+5VDC
7 Ground
8 RS232 RTS Output (EAS GPIO OUT)
8 EAS GPIO OUT
10 Data +
10 No Connect
Specifications are subject to change without notice.
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