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TN556B - AVAYA Definity ISDN-BRI 4-Wire Interface

TN556B - AVAYA Definity ISDN-BRI 4-Wire Interface
TN556B - AVAYA Definity ISDN-BRI 4-Wire Interface
 
TN556B - AVAYA Definity ISDN-BRI 4-Wire Interface
List Price: $475.00
Our Price: $245.00



Product Code: AVA_TN556B

Description
 
  • The TN556B provides 12-Ports connecting to ISDN-BRI terminals
  • Each port has TXT, TXR, PXT, and PXR signal leads
  • Up to 8 ports can be used for adjunct switch application interface (ASAI) links
  • Each port operates at 192 kbps per second and has 2 B-channels and 1 D-channel
  • Requires a packet control circuit pack (TN778) when used in R6si systems or packet bus-equipped R6vs systems
  • Range of up to 3300 ft. maximum from the system to the voice terminal
  • Connects 24 terminals where each terminal uses 1 B-channel and shares the D-channel
  • Compatible with Definity R7 or later

Remanufactured with one year warranty.


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