HP rp5800 Hardware Reference Guide HP rp5800 - Page 31

Installing a Powered Serial Port Expansion Card, - point of sale system

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Installing a Powered Serial Port Expansion Card Two powered serial ports, COM 1 and COM 2, are standard on the computer. Some models have a powered serial port expansion card installed that supplies two additional powered serial ports, COM 3 and COM 4. If your computer is not configured with a powered serial port expansion card, you may purchase one from HP. Figure 2-21 Powered Serial Ports Table 2-5 Powered Serial Ports Item Description Supports +5V +12V 1 COM 1 Yes Yes 2 COM 2 Yes Yes 3 COM 3 (optional) Yes Yes 4 COM 4 (optional) Yes Yes NOTE: The powered serial ports are configured for power in the Computer Setup utility. Refer to Configuring Powered Serial Ports on page 30 for more information. If the powered serial ports have been configured for power from the factory, they will be covered by protective plastic caps. Turn off the computer and remove the caps before connecting powered serial Point of Sale devices. ENWW Installing a Full-Height Expansion Card 25

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Installing a Powered Serial Port Expansion Card
Two powered serial ports, COM 1 and COM 2, are standard on the computer. Some models have a
powered serial port expansion card installed that supplies two additional powered serial ports, COM 3
and COM 4. If your computer is not configured with a powered serial port expansion card, you may
purchase one from HP.
Figure 2-21
Powered Serial Ports
Table 2-5
Powered Serial Ports
Item
Description
Supports
+5V
+12V
1
COM 1
Yes
Yes
2
COM 2
Yes
Yes
3
COM 3 (optional)
Yes
Yes
4
COM 4 (optional)
Yes
Yes
NOTE:
The powered serial ports are configured for power in the
Computer Setup utility. Refer to
Configuring Powered Serial Ports
on page
30
for more information.
If the powered serial ports have been configured for power from the factory, they will be covered by
protective plastic caps. Turn off the computer and remove the caps before connecting powered serial
Point of Sale devices.
ENWW
Installing a Full-Height Expansion Card
25