ISDN PRI/VoIP Network Testing
TSI-1569 ISDN Termination Unit
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TSI-1569 & TSI-1569-2




  • Originates and terminates primary rate ISDN calls at SW56, SW64, Nx56/64 kb/s, HO, and H11 rates.

  • Captures ISDN D-Channel messages and displays in detailed or brief format.

  • SNMP using 10Base2 and 10BaseT Ethernet Interfaces

  • Test Mode
    Performs up to 23 simultaneous BERT tests with single Master Unit and an additional 24 simultaneous BERT tests with a Slave Unit.

  • Provides dial-up loopback and predetermined test patterns of N x 56/64K via the D-Channel of a primary rate interface.

  • Test D-Channel Layer 3 with preconfigured messages and cause codes.

  • Thru Mode
    Bidirectional protocol analyzer capability with access using RS-232C, Ethernet, or through a B-Channel from remote TSI-1569 or equivalent.

  • Cross Connect Mode
    Receives calls, terminates D-Channel, bonds (Mode1) if required and cross connects the Network DS-1 to the Terminal DS-1 based on called phone numbers.

  • Monitor Mode
    Connected to the Digital Cross Connect in the C.O., the unit captures, logs and analyzes all Bi-Directional D-Channel messages. Monitoring of all the send and receive messages between the ISDN switch and the customer.
Expanded Overview & Features


Telesync, Inc. reserves the right to update the product specifications without notice.
Copyright © 2004