Avaya TN556B


Factory Serviced Includes 90 Day Warranty

Returnable Item: 30 Day Guarantee i

Reg. Price:$114.99
Discount:($15.04)
Sale Price: $99.95
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  • Technical Features

Technical Features for Avaya TN556B

The Avaya TN556B is an ISDN BRI four wire interface. It provides 12 ports connecting to ISDN-BRI terminals each port has TXT, TXR, PXT, and PXR signal leads. Each port operates at 192 kbps and has 2 B-channels and 1 D-channel. The TN556B has range up to 3300 ft. maximum from the system to the voice terminal and connect 24 terminals where each terminal uses 1 B-channel and shares the D-channel. It is compatible with definity R7 or later.

TN556B Features:

  • ISDN BRI 4-Wire Interface
  • Each Port has TXT, TXR, PXT & PXR Signal Leads
  • Range Up To 3300 ft. From System To Voice Terminal
  • Each Port Operates At 192 kbps
  • 12 Ports Connecting To ISDN-BRI Terminals
  • Compatible w/ Definity R7 or Later

The Avaya TN556B has many exciting features for users of all types. You can extend the lifetime of your Avaya TN556B with the purchase of a FactoryOutletStore Extended Warranty. Feel safe about your purchase of a Factory Serviced Avaya TN556B, knowing its been fully tested by FactoryOutletStore.

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