Installing A Powered Serial Port Expansion Card - HP rp5800 Reference Manual

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
Table 2-5 Powered Serial Ports
Item Description
1 COM 1
2 COM 2
3 COM 3 (optional)
4 COM 4 (optional)
NOTE: The powered serial ports are configured for power in the
Computer Setup utility. Refer to
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
devices.
ENWW
Powered Serial Ports
Configuring Powered Serial Ports
Supports
+5V +12V
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Installing a Full-Height Expansion Card 25