
36 
SCANNER AND CABLE TERMINATIONS 
MS1690-14 or MS1691-14, RS232 
Pin Function 
1 Ground 
2  RS232 Transmit Output 
3  RS232 Receive Input 
4 RTS Output 
5 CTS Input 
6 DTR Input 
7 Reserved 
8 Reserved 
9 +5VDC 
The MS1690 series scanner 
interfaces terminate to a  
10-pin, RJ45 Female Socket.  
The serial number label 
indicates the interface enabled 
when the scanner is shipped 
from the factory.   
10 Shield Ground 
MS1690-47 or MS1691-47, 
Keyboard Wedge & Stand-Alone Keyboard 
Pin Function 
1 Ground 
2  RS232 Transmit Output 
3  RS232 Receive Input 
4 PC Data 
5 PC Clock 
6 KB Clock 
7 PC +5V 
8 KB Data 
9 +5VDC 
10 Shield Ground 
MS1690-11, RS485S 
Pin Function 
1 Ground 
2  RS232 Transmit Output 
3  RS232 Receive Input 
4 RTS Output  
5 CTS Input  
6 Reserved 
7 IBM B-Transmit 
8  IBM A+ Receive 
9 +5VDC 
10 Shield Ground 
S Applicable for IBM® Host applications. 
Figure 20.