Step 4: Attaching Ground Conductors; General Grounding Requirements; Installation Location - Avaya G450 Installing And Upgrading

Installing the Avaya G450 Media Gateway
4. Lock the media module into the chassis by tightening the spring-loaded captive screws on
the front of the module.
!
DANGER:
To prevent access to electrical hazards by unauthorized personnel and to ensure
DANGER:
continued compliance to international radiated emissions requirements, all
captive screws must be securely tightened such that they cannot be loosened
without the use of a tool.
!
WARNING:
After you have connected telephones to the various media modules, be sure to
WARNING:
add circuit protection to the lines.

Step 4: Attaching ground conductors

To assure safe installation and operation, carefully read all requirements, recommendations,
and instructions. Pay special attention to all CAUTION, WARNING, and DANGER statements.
!
WARNING:
System grounding must comply with the general rules for grounding provided in
WARNING:
Article 250 of the National Electrical Code (NEC), National Fire Protection Agency
(NFPA) 70, or the applicable electrical code in the country of installation.

General grounding requirements

Two safety grounds are required to ensure safe operation of the G450 Media Gateway: the
ground conductor that is part of the AC power cord and the field-installed green/yellow
conductor referred to as the Supplementary Ground Conductor. Both safety grounds must be
connected to an approved ground. If a power cord accompanies the G450, use that cord
whenever possible.

Installation location

The customer must select a location for the G450 Media Gateway installation that is no more
than 50 ft (15 m) from an approved ground. If this location requirement is not met, the customer
must contact a licensed electrician to install a Supplementary Ground Conductor per Article 250
40 Installation and Upgrades for the Avaya G450 Media Gateway