Step 3: Attach Ground Conductors; General Grounding Requirements - Avaya G250 Installation And Upgrade Manual

Installing the Avaya G250 Media Gateway
4. Apply firm pressure to engage the connectors.
The media module connector has different length pins. The long pins will engage first to
provide grounding. Medium length and short pins will provide power and signal.
5. 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.

Step 3: Attach 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

For customer-installed equipment, the field-installed green/yellow conductor referred to as the
Supplementary Ground Connector (SGC) must be connected to the G250 and attached to an
approvedl ground. If a power cord accompanies the G250, use that cord whenever possible.
The customer must select a location for the G250 Media Gateway installation that is no more
than 16 feet (5 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 of the National Electrical Code (NEC).
!
WARNING:
If the installation location is greater than 16 feet (5 m) from an approved ground,
WARNING:
do not install the Avaya G250 Media Gateway until a licensed electrician is
present to install a Supplementary Ground Conductor.
A 16-foot (5 m) Supplementary Ground Conductor is provided with the equipment, and is
constructed of 14 AWG (1.5 mm
is suitable for the #8 (M4) stud/screw on the rear of the G250 chassis.
38 Installation and Upgrade for the Avaya G250 Media Gateway
2
) wire, with an insulated ring terminal crimped to one end that