Avaya G450 Quick Start For Hardware Installation page 32

Install media modules
Figure 4: Inserting a media module
3. Apply firm pressure to engage the connectors.
The media module connector has pins of different lengths. The long pins engage
first to provide grounding. Medium length and short pins provide power and
signal.
4. Lock the media module into the chassis by tightening the spring-loaded captive
screws on the front of the module.
Result
Danger:
To prevent access to electrical hazards by unauthorized personnel and to ensure 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 add circuit
protection to the lines.
32 Quick Start for Hardware Installation: Avaya G450 Branch Gateway February 2011