Connecting The Safety Ground - Avaya Aura G450 Installation, Quick Start

Connecting the safety ground

Proper grounding of the Communication Manager Branch G450 Media Gateway Media
Gateway installation safeguards the system, users, and service personnel by providing
protection from lightning, power surges, AC mains faults, power crosses on central office trunks,
and electrostatic discharge (ESD).
Local electrical installation codes must be followed when installing the Communication Manager
Branch G450 Media Gateway.
!
DANGER :
Connection of both grounds (through the AC Power Cord and the Supplementary
DANGER:
Ground Conductor) is required for safe operation of the Communication Manager
Branch G450 Media Gateway Media Gateway.
!
WARNING:
An improper ground can cause electrical shock as well as equipment failures and
WARNING:
service outages.
Attaching the ground wires
1. Remove the ground screw on the rear of the Communication Manager Branch G450
Media Gateway adjacent to the ground symbol.
2. Place the ring terminal of the 10 AWG (4.0 mm
ground screw that was provided in the accessories box.
3. Insert the ground screw on the rear of the chassis adjacent to the ground symbol and
securely tighten the screw such that it cannot be loosened without the use of a tool.
4. Connect the Supplementary Ground Conductor:
If the ground block has been provided
●
1. Cut the Supplementary Ground Conductor (which has one end attached to the
grounding screw on the Communication Manager Branch G450 Media Gateway)
to the length needed to terminate it into one of the terminals of the ground block.
Do not coil the Supplementary Ground Conductor.
2. Attach one end of the remaining 10 AWG (4 mm
terminals in the ground block and the other end to an approved ground.
3. Cut this ground wire to the length needed to reach the approved ground. Do not
coil this wire.
Note:
The ground block is for use with more than one Communication Manager Branch
Note:
G450 Media Gateway in the rack. If the ground block is to be used, you must
supply it and have it installed by an electrician.
2
) Supplementary Ground Conductor on the
2
) ground wire to one of the
Issue 1 May 2009
Ground
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