HP Netserver Service Handbook, Volume 1 - Low End

29
HP NetServer E30
Covers
WARNING Before removing the cover, always disconnect the power cord and unplug
telephone cables. Disconnect the power cord to avoid exposure to high energy
levels that may cause burns when parts are short-circuited by metal objects such as
tools or jewelry. Disconnect telephone cables to avoid exposure to shock hazard
from telephone ringing voltages.