RZ-X850 (serv.man4). RZ-X850 Service Manual - Sharp EPOS Service Manual (repair manual). Page 10

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9
SYSTEM OVERVIEW
USB Connectors (USB 2.0)
You can connect peripherals such as scanners, printers and keyboard to the USB 
(Universal Serial Bus) connectors. USB peripherals are hot swappable enabling plug 
and play.
6
Rear/IO Ports View
DC Inlet Jack (AC/DC adaptor) 
To supply power to the system, please connect here the supplied AC/DC power 
adaptor (12V/ 7.0A 84W).
1
3
6 7 2
9
10
2
1
4
or
8
5
Serial Port 1,2,3,4
Connects serial devices such as a customer display, a barcode scanner, or a receipt 
printer that use serial interface to the serial ports. 
2
Note:
•  
Default voltage at Pin 9 of COM1 / COM4 is 5V (COM5 voltage at Pin 1) With VFD Module to 
main board inside insert header.
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