HP Rp5700 HP rp5700 Business System Service Reference Guide, 1st Edition - Page 97

Configuring Power to a Serial Port, Serial Port Jumper Wire - point of sale

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Configuring Power to a Serial Port The serial ports on the HP Point of Sale System computer can be configured as standard (non-powered) serial ports or powered serial ports. Some Point of Sale devices use a powered serial port. If the serial port is configured as a powered port, devices that support a powered serial interface do not require an external power source. NOTE: The computer ships with all serial ports configured in standard serial mode. Power to the ports can be configured by moving jumpers and serial port jumper wires on the serial port headers. The computer ships with a jumper on each serial port header. Jumper wires are available as an option from HP or an authorized HP provider. Figure 7-32 Serial Port Jumper Wire 1. Prepare the computer for disassembly (Preparation for Disassembly on page 61). 2. Remove the computer cover (Computer Cover on page 64). 3. Press the latch release on the front of the power supply (1), and then raise the power supply to the upright position (2) Figure 7-33 Releasing and Rotating the Power Supply ENWW Powered Serial Ports 87

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Configuring Power to a Serial Port
The serial ports on the HP Point of Sale System computer can be configured as standard (non-powered)
serial ports or powered serial ports. Some Point of Sale devices use a powered serial port. If the serial
port is configured as a powered port, devices that support a powered serial interface do not require an
external power source.
NOTE:
The computer ships with all serial ports configured in standard serial mode.
Power to the ports can be configured by moving jumpers and serial port jumper wires on the serial port
headers. The computer ships with a jumper on each serial port header. Jumper wires are available as
an option from HP or an authorized HP provider.
Figure 7-32
Serial Port Jumper Wire
1.
Prepare the computer for disassembly (
Preparation for Disassembly
on page
61
).
2.
Remove the computer cover (
Computer Cover
on page
64
).
3.
Press the latch release on the front of the power supply
(1)
, and then raise the power supply to the
upright position
(2)
Figure 7-33
Releasing and Rotating the Power Supply
ENWW
Powered Serial Ports
87