Nortel Networks 1000 - Manual (Page 964)

964 NTRB21 DTI/PRI/DCH TMDI card
•
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
NTRB21 provides the following features and functions:
• configurable parameters, including A/µ-Law operation, digital pads on a
per channel basis, and Superframe or Extended Superframe formats
• AMI or B8ZS line coding
• 1.5 Mb Digital Trunk Interface and 1.5 Mb Primary Rate Interface
•
1.5 Mb Clock recovery and distribution of reference clocks
• DG2 or FDL yellow alarm methods
• card status and alarm indication with faceplate-mounted LED
•
automatic alarm monitoring and handling
•
Card-LAN for maintenance communications
• 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
NTRB21 provides the following features and functions:
• configurable parameters, including A-Law and Mu-Law operation,
digital pads on a per channel basis, and Superframe or Extended
Superframe formats
• AMI or B8ZS line coding
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.