3Com V3000 ANALOG, Installation Manual

Page: 87 / 252

Important Safety Information 87
■
Verify that an existing LAN is in place and is operational and that LAN
port connections are available.
■
Read and follow the safety notes and precautions later in this chapter.
Required and
Recommended Tools
and Equipment
These items are typically required to install an NBX system:
■
Screwdrivers (flat and Phillips)
■
Pliers
■
Antistatic grounding strap
■
Punch down tool
■
Test set
■
Rack screws appropriate to the rack
Important Safety
Information
Before you install or remove any components or perform any
maintenance procedures on the system, you must read the following
safety information.
WARNING: The system must be installed in a secure (locked) area.
The components and telephones of the NBX system are electronic
devices. To avoid injury and damage to the equipment, follow these
important safety precautions when you install, use, or service it:
■
Allow only qualified personnel to install and remove the unit.
■
Always connect the unit to a grounded (protective earthed) outlet to
comply with international safety and EMC standards.
■
Read and understand all instructions.
■
Always disconnect a device from its power source before you clean it.
■
Do not disassemble components of the system. If you suspect that a
card, chassis, or telephone is defective, call a service representative.
■
Do not use this product near water. Do not install this product or a
telephone in a damp area, such as a basement.
■
Never cover or block the ventilation holes on the chassis or
telephones. Proper ventilation is required to ensure normal operation
of each component and to avoid component failures.