Metrologic Instruments MS2421 - Manual (Page 53)

49
S CANNER AND C ABLE T ERMINATIONS
S CANNER P INOUT C ONNECTIONS
The MS2421/MS2422 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 37. Connector Layout
Scanner to Host, IBM 46xx 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 IBM 46xx Interface
10 IBM A+ 10 Reserved for IBM 46xx 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
.