Technical Specifications - Communications - HP rp5700 Business Specification

QuickSpecs

Technical Specifications - Communications

Serial Ports All serial (COM) ports can be custom configured in either standard mode or powered mode. By repositioning
the jumpers (provided) on the system board and on the COM port PCI add-in card (some models), each COM
power can achieve power on pin 1 or pin 9. The illustration and table below indicate the COM port
assignments and voltage supported for each COM port.
COM port assignment
1
2
3
4
The following illustrations show how to position the jumpers on the system board and on the COM port PCI
add-in card (available on some models) to achieve power on pin 1 or pin 9.
P16 and P127 are located on the system board behind the COM1 port.
DA - 12703 North America — Version 32 — June 21, 2013
HP rp5700 Point of Sale (POS) System or HP rp5700
Description Standard Mode
COM1 (yellow)
COM2
COM3 (some models)
COM4 (some models)
Business Desktop PC
+5V +9V
Yes Yes Yes
Yes Yes No
Yes Yes No
Yes Yes No
+12V
Yes
Yes
Yes
Yes
Page 17