Removal And Replacement Procedures; Required Tools; Safety Considerations; Preventing Electrostatic Discharge - HPE GL20 Maintenance And Service Manual

Removal and replacement procedures

Required tools

You need the following items for some procedures:
• T-10 Torx screwdriver
• M3.5 (3.5 mm) flathead screwdriver
• M3 (3 mm) Phillips screwdriver

Safety considerations

Before performing service procedures, review all the safety information.

Preventing electrostatic discharge

To prevent damaging the system, be aware of the precautions you must follow when setting up the
system or handling parts. A discharge of static electricity from a finger or other conductor may damage
system boards or other static-sensitive devices. This type of damage may reduce the life expectancy of
the device.
Procedure
• Avoid hand contact by transporting and storing products in static-safe containers.
• Keep electrostatic-sensitive parts in their containers until they arrive at static-free workstations.
• Place parts on a grounded surface before removing them from their containers.
• Avoid touching pins, leads, or circuitry.
• Always be properly grounded when touching a static-sensitive component or assembly.

Symbols on equipment

The following symbols might be found on the equipment to indicate the presence of potentially hazardous
conditions.
This symbol indicates the presence of hazardous energy circuits or electric shock
hazards. Refer all servicing to qualified personnel.
WARNING: To reduce the risk of injury from electric shock hazards, do not open this
enclosure. Refer all maintenance, upgrades, and servicing to qualified personnel.
This symbol indicates the presence of electric shock hazards. The area contains no
user or field serviceable parts. Do not open for any reason.
WARNING: To reduce the risk of injury from electric shock hazards, do not open this
enclosure.
This symbol on an RJ-45 receptacle indicates a network interface connection.
WARNING: To reduce the risk of electric shock, fire, or damage to the equipment, do
not plug telephone or telecommunications connectors into this receptacle.
Removal and replacement procedures 17