HP Rp3000 Hardware Reference Guide - HP rp3000 - Page 39

Configuring Power to a Serial Port, Serial Port Jumper Locations on the System Board - 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 by default unless the powered serial port AV numbers are ordered. The serial port jumpers on the system board are located as shown in the following illustration: Figure C-3 Serial Port Jumper Locations on the System Board Item 1 2 Jumper P16 P17 Port Name COM 1 COM 2 The serial port jumpers on the powered serial port expansion card are located as shown in the following illustration: ENWW Configuring Power to a Serial Port 33

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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 by default unless
the powered serial port AV numbers are ordered.
The serial port jumpers on the system board are located as shown in the following illustration:
Figure C-3
Serial Port Jumper Locations on the System Board
Item
Jumper
Port Name
1
P16
COM 1
2
P17
COM 2
The serial port jumpers on the powered serial port expansion card are located as shown in the following
illustration:
ENWW
Configuring Power to a Serial Port
33