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Nortel Meridian M522 Black Expansion Module (NT4X43AA)
Only $41.96
Nortel Meridian M522 Black Expansion Module (NT4X43AA) Nortel Meridian M522 Black Expansion Module (NT4X43AA) Nortel Meridian M522 Black Expansion Module (NT4X43AA)
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Nortel Meridian M522 Black Expansion Module (NT4X43AA)

SKU 11482 M522 NT4X43AA Refurbished (Grading Guide)
Was $199.99 You Save $158.03
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Item Information
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.


  • 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


  • M5216
  • M5316
UPC: 00000059699354

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