Nortel Networks NN43021-110 - Manual (Page 50)

50 System architecture
A variety of rectifiers and distribution equipment can be used to supply
external DC power. Existing customer equipment can be used or a system
that Nortel either supplies or recommends, such as the Small or Large
Candeo, can be used. The Small Candeo is appropriate for Single Group
or Multi Group systems that do not require more than 300 A, while the
Large Candeo is suitable for larger systems. In all cases, equipment for
rectification and distribution is required, while reserve batteries are optional.
Figure 18
ExternalDC-power architecture with reserve power
Candeo DC power system
The Candeo platform provides a simple, quick-to-deploy, and
easy-to-operate power solution. Based upon modular building blocks
(rectifiers, System Manager, DC distribution, and battery connection
modules), the system is designed to power -48 V DC applications. The
Large Candeo power system uses 50 A rectifiers and has a capacity of
1000 A; the Small Candeo (SP48300) uses 30 A rectifiers and has a
capacity of 300 A. Both Large and Small Candeo systems provide "plug and
walk-away" installation and setup. The platform can be reconfigured or
expanded while it remains online.
Signaling Server
CS 1000M systems use a Signaling Server. The Signaling Server is an
PC-based server that provides a central processor to drive H.323 and
Session Initiation Protocol (SIP) signaling for IP Phones and IP Peer
Networking. It provides signaling interfaces to the IP network using software
components that operate on the VxWorksª real-time operating system.
Nortel Communication Server 1000
Communication Server 1000M and Meridian 1 Large System Overview
NN43021-110 01.03 Standard
Release 5.0 18 February 2008
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