
 44 
CRADLE AND CABLE TERMINATIONS  
RS232/Light Pen Cable 
MLPN 54-54000x-N   
Pin Function 
1 Shield Ground 
2  RS232 Transmit Output 
3  RS232 Receive Input 
4  DTR Input/Light Pen Source 
5  Power/Signal Ground  
6  Light Pen Data 
7 CTS Input 
8 RTS Output 
9 +5VDC 
9-Pin D-Type Connector 
USB Cable  
MLPN 52-52828x   
Pin Function 
1 VCC 
2 D- 
3 D+ 
4 Ground 
IBM Cable  
MLPN 54-54250x-N   
Pin Function 
1 Ground 
2 IBM A+ 
3 IBM B- 
4 Reserved 
SDL A Key