Functional Description - Avaya Nortel Communication Server 1000 Reference

Functional description

NTAK09 provides the following features and functions:
• configurable parameters, including A-Law and µ-Law operation, digital pads on a per
channel basis, and Superframe or Extended Superframe formats
• AMI or B8ZS line coding
• 1.5 Mb Clock recovery and distribution of reference clocks
• DG2 or FDL yellow alarm methods
• card status and alarm indication with faceplate-mounted LEDs
• automatic alarm monitoring and handling
• Card-LAN for maintenance communication
• loopback capabilities for both near-end and far-end
• echo canceler interface
• integrated trunk access (both D-channel and in-band A/B signaling can be mixed on the
same PRI)
• faceplate monitor jacks for T1 interface
• configurable D-channel data rate with 64 Kbps, 56 Kbps or 64 Kbps inverted.
• self-test
Architecture
Signaling interface
The signaling interface performs an 8 Kbps signaling for all 24 channels and interfaces directly
to the DS-30X link. Messages in both directions of transmission are three bytes long.
Interconnection
The interconnection to the carrier is by NTBK04 1.5 Mb carrier cable.
The NTBK04 is twenty feet long. The NT8D97AX, a fifty-foot extension, is also available.
Circuit Card Reference
Functional description
July 2011 495