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Installing an Optional 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.
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 25
for more information.
CAUTION:
peripheral device must require the same voltage for which the powered serial port is configured.
Connecting a peripheral device that is not rated for the same voltage supplied by the powered serial
port can damage the computer and the peripheral device.
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.
To install a Powered Serial Port expansion card:
NOTE:
The following procedure provides instructions for installing a Powered Serial Port expansion
card. However, the procedure is basically the same for installing any full-height PCI expansion card or
PC Express x1 expansion card.
1.
Prepare the computer for disassembly
2.
Remove the access panel
Configuring Powered Serial Ports
Be careful when connecting peripheral devices to powered 5V and 12V serial ports. The
(Access Panel on page
Supports
+5V
+12V
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
(Preparation for Disassembly on page
16).
15).
Expansion Cards
23
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