Nortel Networks Circuit Card 311 - Manual (Page 1065)

Hardware description 1065
• 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 304 "NTRB21 TMDI card faceplate" (page 1066) shows a faceplate
of the NTRB21 TMDI card.
The NTRB21 TMDI card provides 1.5 MBits Digital Trunk Interface or
Primary Rate Interface functionality on the Option 11C. The NTRB21 has
a built-in downloadable D-channel, and may occupy card slots 1-9 on the
Option 11C main cabinet.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright © 2003-2008, Nortel Networks
.