Grounding - Avaya IP Office Installation Manual

6.13 Grounding

Use of ground connections reduces the likelihood of problems in most telephony and data systems. This is especially
important in buildings where multiple items of equipment are interconnected using long cable runs, for example phone
and data networks.
All IP Office control units and external expansion modules must be connected to a functional ground. In some cases, such
as ground start trunks, in addition to being a protective measure this is a functional requirement for the equipment to
operate. In other cases it may be a locale regulatory requirement and or a necessary protective step, for example areas
of high lightning risk.
WARNING
·
During installation do not assume that ground points are correctly connected to ground. Test ground points before
relying on them to ground connected equipment.
The ground point on IP Office control units and external expansion modules are marked with a
connections to these points should use a 14 AWG solid wire with either a green sleeve for a functional ground or green
and yellow sleeve for a protective ground.
· Additional protective equipment
In addition to grounding, additional protective equipment will be required in the following situations. Refer to
Building Telephone Installations".
· On any Digital Station or Phones external expansion module connected to an extension located in another building.
· In the Republic of South Africa, on all Analog Trunk external expansion modules (ATM16) and on any control units
containing an analog trunk cards (ATM4/ATM4U).
Tools Required
1. o M4 Cross-Head Screwdriver.
2. o Tools suitable for crimping a cable spade.
Parts and Equipment Required
1. o 14AWG Solid copper wire for ground connection.
2. o Cable sleeve matching local regulator requirements. Typically green for a functional ground and green/yellow for a
protective ground.
IP Office Installation
IP Office
IP400 Basic Installation: Adding a WAN3 Module
or
15-601042 Issue 19l (06 November 2008)
symbol. Ground
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