HP Rp3000 Hardware Reference Guide - HP rp3000 - Page 40

C-4, CAUTION, Powered Serial Port Expansion Card Jumper Locations

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Figure C-4 Powered Serial Port Expansion Card Jumper Locations Item 1 2 Jumper J4 J5 Port Name COM 3 COM 4 To configure power to the serial ports: 1. Remove/disengage any security devices that prohibit opening the computer. 2. Remove all removable media, such as compact discs, from the computer. 3. Turn off the computer properly through the operating system, then turn off any external devices. 4. Disconnect the power cord from the power outlet and disconnect any external devices. CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to the internal components of the computer. 5. Remove the computer cover. 34 Appendix C Powered Serial Ports ENWW

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Figure C-4
Powered Serial Port Expansion Card Jumper Locations
Item
Jumper
Port Name
1
J4
COM 3
2
J5
COM 4
To configure power to the serial ports:
1.
Remove/disengage any security devices that prohibit opening the computer.
2.
Remove all removable media, such as compact discs, from the computer.
3.
Turn off the computer properly through the operating system, then turn off any external devices.
4.
Disconnect the power cord from the power outlet and disconnect any external devices.
CAUTION:
Regardless of the power-on state, voltage is always present on the system board as
long as the system is plugged into an active AC outlet. You must disconnect the power cord to
avoid damage to the internal components of the computer.
5.
Remove the computer cover.
34
Appendix C
Powered Serial Ports
ENWW