
 33
SCANNER AND CABLE TERMINATIONS 
The MS5145 scanner interfaces terminate to a 10-pin modular jack.   
The serial # label indicates the interface enabled when the scanner is shipped 
from the factory. 
Figure 15. 
MS5145-41 RS232C and 
Light Pen Emulation 
Pin  Function 
1 Ground 
2  RS232 Transmit Output 
3  RS232 Receive Input 
4 RTS Output 
5 CTS Input 
6  DTR Input/LTPN Source 
7 Reserved 
8 LTPN Data 
9 +5VDC 
10 Shield Ground 
MS5145-47 Keyboard Wedge 
and Stand-Alone Keyboard  MS5145-11 IBM 468X/469X 
Pin  Function  Pin  Function 
1 Ground  1 Ground 
2  RS232 Transmit Output  2  RS232 Transmit Output 
3  RS232 Receive Input  3  RS232 Receive Input 
4 PC Data  4 RTS Output  
5 PC Clock  5 CTS Input  
6 KB Clock  6 DTR Input 
7 PC +5V  7 IBM B-Transmit 
8  KB Data  8  IBM A+ Receive 
9 +5VDC  9 +5VDC 
10 Shield Ground 
10 Shield Ground