Installing The Chassis; General Precautions - NEC UX5000 Hardware Manual

Chapter 1 - Installing the Chassis
Chapter 1 - Installing the Chassis
S 1-1
ECTION

GENERAL PRECAUTIONS

●
Although it is recommended to installed the blades with the system power off, all blades can be
installed hot (except the CCPU, EXIFU, MEMDB, VOIPDB, and VMDB).
●
As some USB thumb drives may cause the system to reset, it is recommended to power down the
system prior to connecting a USB thumb drive to the CCPU.
●
To avoid shock or equipment damage, do not plug in or turn the system power on before completing
the installation process.
●
Avoid working with the equipment during electrical storms. Do not touch the chassis, AC power cord,
AC adapters, or terminal cords as electrical shocks could occur during the electrical storms.
●
Use only commercial AC power to prevent shock or fire.
●
Use the power cord supplied for the chassis.
●
Do not bundle AC power cords together to prevent the cords from overheating.
●
Make sure the chassis has a proper earth ground.
●
Install batteries with the correct polarity to prevent damaging equipment.
●
The chassis should not be placed on unstable surfaces to avoid damage.
●
Do not modify the hardware as it could damage other system components. Should modifications be
made, NEC assumes no responsibilities for damage which may occur.
●
Liquid from lead acid batteries can cause damage to the eyes. If contact is made, flush the eyes with
water and contact a doctor immediately.
●
Keep the communications server equipment away from heat sources to prevent equipment damage.
●
Acoid touching the solder side of the blades as electrical shocks may occur.
●
Keep liquid/water sources away from equipment.
●
Keep metal or foreign bodies out of the chassis.
Chapter 1 1 - 1