
 31
S
CANNER AND 
C
ABLE 
T
ERMINATIONS
MS1890-14, 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 MS1890 scanner 
interfaces terminate to a  
10-pin, RJ45 Female Socket.  
The serial # label indicates the 
interface enabled when the 
scanner is shipped from the 
factory.   
10 Shield Ground 
MS1890-47, 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 
MS1890-11, IBM 468X/469X 
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 
Figure 14.