Nortel Networks Circuit Card - Manual (Page 714)

Page 714 of 906 NTAK09 1.5 Mb DTI/PRI card
553-3001-211 Standard 3.00 August 2005
The NTAK09 circuit card conforms to safety and performance standards for
foreign and surge voltage protection in an internal environment.
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