Nortel Networks NN43021-110 manual Top cap, Trunk, Universal equipment module UEM

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68List of terms

top cap

A top cap is mounted on the top module of each column. It provides airflow exits, EMI/RFI shielding, I/O cable entry and exit, and overhead cable-rack mounting. The top cap covers thermal sensor assemblies for the column.

trunk

A single circuit between two points, both of which are switching centers or individual distribution points.

universal equipment module (UEM)

A modular, self-contained hardware cabinet that houses a card cage, power supply, backplane, circuit cards, and other basic equipment. When equipped, the UEM becomes a specific type of module, such as a CPU module or Network module.

UPS

Universal Power Supply

V AC

Voltage Alternating Current

V DC

Voltage Direct Current

Nortel Communication Server 1000

Communication Server 1000M and Meridian 1 Large System Overview

NN43021-110 02.05 Standard

30 September 2008

Copyright © 2003-2008 Nortel Networks

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Contents Communication Server 1000M Meridian 1 Large System Overview Legal Notice Contents Copyright 2003-2008 Nortel Networks Other Revision HistoryNew in this Release How to get help Getting help from the Nortel Web siteGetting help through a Nortel distributor or reseller Subject Applicable systemsIntended audience ConventionsSystem migration TerminologyRelated information NTPsIntroduction Contents IntroductionProduct description System options CS 1000M HGand Meridian 1 Option 51CMeridian 1 Option 51C CS 1000M HG Memory options CS 1000M SGand Meridian 1 PBX 61C CP PIV Meridian 1 PBX 61C CP PIVor Meridian 1 Option 61CCS 1000M SG PDU CS 1000M MGand Meridian 1 PBX 81C CP PIV Meridian 1 PBX 81C CP PIVor Option 81CCS 1000M MG Msdl System modules NT4N41 Core/Network moduleCore side Network sideNT5D21 Core/Network module NT8D35 Network module NT8D35 Network module Fiber Network Fabric NT8D37 Intelligent Peripheral Equipment module Fiber Remote IPE module Carrier Remote IPEProduct description System architecture Hardware architecture Common control complex System architecture Hardware architecture CS 1000M SGand Meridian 1 PBX 61C CP PIVcore complex Network interface Network organization Superloop network configurations System architecture Intelligent Peripheral Equipment Intelligent Peripheral Equipment cards Number Terminations Intelligent Peripheral Equipment remote location Attendant consoles Terminal equipmentDigital telephones Power equipment AC powerDC power Candeo DC power system Signaling ServerNortel Common Processor Pentium Mobile server International Business Machines X306m server Hewlett Packard DL320-G4 serverSIP/H.323 Signaling Gateways Terminal Proxy ServerNetwork Routing Service SIP Proxy NRS Manager Software architectureElement Manager Firmware SoftwareOfﬁce data Resident programsNonresident programs Service change and print routinesMaintenance diagnostics Conﬁguration options TrafficEquipment data dump Software auditFiber Remote Multi-IPE Interface Fundamentals N43021-556 Meridian 1 Large Systemto Carrier Remote IPE links Branch Ofﬁce Geographic RedundancyAnalog signal Battery backupAnalog ArchitectureConfiguration Central Office COCentral processing unit CPU Circuit cardsDiagnostic programs Digital signalCPCI Transition card Electromagnetic interference EMIModule power supplies Power distribution unit PDURandom-access memory RAM LineRead-only memory ROM RedundancySoftware generic System monitorUniversal equipment module UEM Top capTrunk Page Nortel Communication Server