HP Rp3000 Hardware Reference Guide - HP rp3000 - Page 37

Powered Serial Ports

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C Powered Serial Ports 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. Figure C-1 Powered Serial Ports Item Description 1 COM 1 2 COM 2 3 COM 3 (some models) 4 COM 4 (some models) Supports +5V Yes Yes Yes Yes +12V Yes Yes Yes Yes ENWW 31

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C
Powered Serial Ports
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.
Figure C-1
Powered Serial Ports
Item
Description
Supports
+5V
+12V
1
COM 1
Yes
Yes
2
COM 2
Yes
Yes
3
COM 3 (some models)
Yes
Yes
4
COM 4 (some models)
Yes
Yes
ENWW
31