Nortel Networks 1000 - Manual (Page 965)

Hardware description 965
•
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 T-1 interface
• configurable D-channel data rate with 64 kbps, 56 kbps or 64 kbps
inverted
•
self-test
Software description
Changes from the NTAK09 are required for the new trunk card and
License parameters are n service change and maintenance overlays.
There is a change to CardLAN to introduce a new CardLAN ID. The
download of PSDL data is also changed to handle a 32 bit download as
well as existing 16 bit.
Changes from the NTAK09 are required for the new trunk card and ISM
parameters are n service change and maintenance overlays. There is a
change to CardLAN to introduce a new CardLAN ID. The download of
PSDL data is also changed to handle a 32 bit download as well as existing
16 bit.
Hardware description
NTRB21 TMDI card
The NTRB21 TMDI card provides 1.5 MBits Digital Trunk Interface or
Primary Rate Interface functionality. It also has a built-in downloadable
D-channel.
The NTRB21 can be used with the NTAK09 DTI/PRI card (with the
NTBK51 downloadable D-channel daughterboard).
Figure 280 "NTRB21 TMDI card faceplate" (page 966) shows a faceplate
of the NTRB21 TMDI card.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.