Avaya Definity TN556D ISDN-BRI 4-Wire S/T-NT Interface 12-Ports (TN556D)

by Avaya

Price:

$249.95

Available at external website Sophie Systems.

Purchases made on external websites are not eligible for the Amazon.com A-to-z Guarantee.

Product Specifications

Brand NameAvaya

Manufacturer Part NumberTN556D

Product Details

Item Weight: 8 pounds
Shipping Weight: 8 pounds
ASIN: B002CT7H8U
Date first available at Amazon.com: June 10, 2009

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Product Description

Definity TN556D

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

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