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Home > Avaya > Definity > Circuit Cards > TN420C – TN744E > Avaya Definity TN556B ISDN-BRI 4-Wire Interface (TN556B)

Avaya Definity TN556B ISDN-BRI 4-Wire Interface

Avaya
TN420C – TN744E
Avaya Definity TN556B ISDN-BRI 4-Wire Interface (TN556B)

Definity TN556B ISDN-BRI 4-Wire Interface

  • 12 Ports connecting to ISDN-BRI terminals
  • Up to 8 ports can be used for adjunct switch application interface (ASAI) links
  • Each port operates at 192 kbps and has two B-channels and one D-channel
  • Has multipoint support - 24 terminals can be connected where each terminal uses one B-channel and shares the D-channel

http://www.northernbellnetworks.comtn556b.html
$57.00
Avaya Definity TN556B ISDN-BRI 4-Wire Interface (TN556B)
Item #:TN556B
Price$210.00
Sale Price$57.00You Save $153.00 (73%)
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Availability:In Stock
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Product Description

Definity TN556B ISDN-BRI 4-Wire Interface

  • 12 Ports connecting to ISDN-BRI terminals
  • Up to 8 ports can be used for adjunct switch application interface (ASAI) links
  • Each port operates at 192 kbps and has two B-channels and one D-channel
  • Has multipoint support - 24 terminals can be connected where each terminal uses one B-channel and shares the D-channel
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