M522 Expansion Module Nortel MeridianAastra 522 Centrex expansion module

M522 Meridian Centrex Expansion Module
for Aastra 5000 Centrex Phones

M522 Expansion Module Meridian Centrex Nortel phone telephone terminal The M522 Meridian Mate Expansion Module is compatible with both the M5216 and M5316. The M522 is a 22-button expansion unit, with associated LCD indicators, providing additional keys for lines or features. Up to two expansions can be used, for a total of 44 extra programmable buttons. Combined with Meridian Digital Centrex, the M522 offers effective mini-console capabilities.

M522 Expansion Module Features:

  • Works with the M5216 and M5316 Meridian Centrex terminals
  • 22 keys for one touch access to additional lines or use of additional features
  • Up to two expansion Meridian 522 units can be utilized on the same Meridian Centrex terminal (phone) for a total of 44 additional programmable keys

Centrex 522 Module Benefits:

  • Now there is no need to remember feature programming codes to access Meridian Digital Centrex features. Just add an M522 and you have access to all the lines and features you require.

M522 Meridian Mate expansion module brochure

Nortel Meridian M522 Centrex Expansion Module

Meridian M522 Centrex Expansion Module

Module Quantity:
Please specify a quantity.
Module Color:

 Add Headsets to Your Order 

Headset Features:

Plantronics H361 SupraPlus Headset

Please select headset features you'd like.

 Single Earpiece
 Dual Earpiece
 Noise Cancelling Microphone

Headset Quantity:
How many headsets would you like?


Local telephone companies: Buy Meridian M522 Expansion Modules at wholesale prices for your business Centrex customers.

We offer a 12 month replacement guarantee! Telephone Magic accepts Visa, Mastercard and American Express for convenient payments. Same or next day shipping

Get social with Telephone Magic!