Viglen LX275 User's Guide download pdf (Page 18)

Viglen LX275 Chassis User Guide

Warning and Cautions!

These warnings and cautions apply whenever you remove the side cover of the system

to access components inside the system. Only a technically qualified person should

integrate and configure the system.

Warning!

System power on/off: The on/off button (a convex button) on the front panel

DOES NOT turn off the system AC power. To remove power from system, you

must unplug the AC power cord from the wall outlet or the system.

Hazardous conditions, power supply: Hazardous voltage, current, and energy

levels are present inside the power supply. There are no user serviceable parts

inside it; servicing should be done by technically qualified personnel.

Hazardous conditions, devices and cables: Hazardous electrical conditions may

be present on power, telephone, and communication cables. Turn off the system

and disconnect the power cords, telecommunications systems, networks, and

modems attached to the system before opening it. Otherwise, personal injury or

equipment damage can result.

Cautions!

Electrostatic discharge (ESD) and ESD protection: ESD can damage disk drives,

boards, and other parts. We recommend that you perform all procedures in this chapter

only at an ESD workstation. If one is not available, provide some ESD protection by

wearing an antistatic wrist strap attached to chassis ground --- any unpainted metal

surface --- on your system when handling parts.

ESD and handling boards: Always handle boards carefully. They can be extremely

sensitive to ESD. Hold boards only by their edges. After removing a board from its

protective wrapper or from the system, place it component-side up on a grounded,

static-free surface. If you place the server board on a conductive surface, the battery

leads may short out. If they do, this will result in a loss of CMOS data and will drain the

battery. Use a conductive foam pad if available but not the board wrapper. Do not slide

board over any surface.

Cooling and airflow: For proper cooling and airflow, always install the chassis side

cover before turning on the system. Operating it without the cover in place can damage

system parts.

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Viglen LX275 User's Guide Page 18