Nortel Networks NN43001-563 User Manual Page 41

  • Download
  • Add to my manuals
  • Print
  • Page
    / 492
  • Table of contents
  • TROUBLESHOOTING
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews
Page view 40
IP trunk card description 41
Backup Leader
The Backup Leader card steps in when the Leader is out-of-service. This
minimizes service interruptions.
D-channel IP gateway
The ITG-Pentium 24-port or Media Card 32-port trunk card with D-channel
IP gateway (DCHIP) functionality (DCHIP card) is connected by the RS-422
cable to the Multi-purpose Serial Data Link (MSDL) card on the Meridian
1/CS 1000M Large Systems. It connects to the SDI/DCH Card on Small
Systems. The DCHIP Card is equipped with a DCH PC Card. The DCH PC
Card provides the RS-422 and LAPD functionality that is required for the
D-channel (DCH) interface to the system. The DCHIP Card is the network
side of the system ISL D-channel connection. The card is a tandem node in
the switch network, providing a single-to-multi-point interface between the
Meridian 1/CS 1000M and the IP Trunk 3.01 (and later) network. See Figure
5 "IP Trunk 3.01 (and later) architecture" (page 41).
Figure 5
IP Trunk 3.01 (and later) architecture
The ISL connection to the Meridian 1/CS 1000M functions as it does in a
normal ISDN network. The ISL controls the call processing for calls over
analog ISDN Signaling Link (ISL) TIE trunks. With IP Trunk 3.01 (and later),
these ISL TIE tr unks are located on the IP trunk cards. The IP Trunk 3.01
Nortel Communication Server 1000
IP Trunk Fundamentals
NN43001-563 02.01 Standard
Release 5.5 21 December 2007
Copyright © 2007, Nortel Networks
.
Page view 40
1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 491 492

Comments to this Manuals

No comments