Appendix C Product Integrity; Contents; Introduction; Reliability - Avaya Nortel Communication Server 1000 Manual

Appendix C
Product integrity

Contents

This section contains the following topics:
•
•
•

Introduction

This chapter presents information about the Voice Gateway Media Card
reliability, environmental specifications, and electrical regulatory standards.

Reliability

Reliability is measured by the Mean Time Between Failures (MTBF).
Mean Time Between Failures (MTBF)
The Mean Time Between Failure (MTBF) is 46 years for Voice Gateway
Media Cards. Failures per 106 hours of operation are 2.483, based on 40
degrees C (140 degrees F).
Voice Gateway Media Card power consumption
The worst case current drawn by the Voice Gateway Media Cards from each
Backplane voltage supply is provided in
Card power consumption" (page
Copyright © 2003–2008, Nortel Networks
.
"Introduction" (page 541)
"Reliability" (page 541)
"Environmental specifications" (page 542)
Nortel Communication Server 1000
IP Line Fundamentals
NN43100-500 02.02 Standard
Release 5.5 4 February 2008
Table 153 "Voice Gateway Media
542):
541