
DLL2020 
10  
2 
2.1.1  RS232 Direct Power For those systems which supply electrical power on the serial port 
(minimal requirements: +5 V dc, 250 mA), the following setup is 
applicable. 
Plug the cab 376 into the scanner port until a firm ‘click’ is heard. 
Connect the serial cable to the cab 376 and the other end to the 
appropriate serial port of your POS or computer. 
For those systems which supply electrical power on the keyboard port 
(minimal requirements: +5 V dc, 250 mA), the following setup is 
applicable. 
Plug the cab 376 into the scanner port until a firm ‘click’ is heard. 
Connect the wedge cable to the cab 376 and the other end to the 
keyboard. 
Computer 
To computer 
To keyboard 
Cable 376 
DLL2020 
To host 
DLL2020 
Cable 376