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TN556D ISDN BRI 4-Wire S/T-NT Interface

TN556D Features

  • 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
  • Can connect 24 terminals where each terminal uses 1 B-channel and shares the D-channel
    Compatible with Definity R7 or later

Buy with Confidence.  Your order also includes
MetrolineDirect's Rock Solid One Year Warranty

PLATINUM PROTECTION:  This product is eligible for a 2 Year Replacement Warranty!



TN556D ISDN-BRI 4-Wire S/T-NT Interface (12-Ports)
65512D$289.00
Type: 
Warranty: 

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Metroline Inc. is an independent distributor of technology and telecommunications equipment.  Metroline Inc. does not represent  Avaya Communication,  Lucent Technologies,  Nortel Networks,  Cisco,  Toshiba, Mitel, NEC, Dell, ShoreTel or their affiliates in any way.  Merlin, Merlin Legend, Merlin Magix, Partner, Partner Plus, Partner II, Partner ACS, Spirit, Definity, IP Office, and Avaya Communication Manager are registered trademarks of Avaya Communication.  Norstar, Meridian, and Business Communication Manager are registered trademarks of Nortel Networks.