Honeywell MS2421 User Manual

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
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 39. 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 and EAS
6 RS232 DTR Input (EAS GPIO IN)
7
No Connect
7
No Connect
8
Reserved for RS232 Interface and EAS
8 DSR (EAS GPIO OUT)
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.
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Honeywell MS2421 Specifications

General

Brand	Honeywell
Model	MS2421
Category	Barcode Reader
Language	English