Nortel Networks NN43001-563 - Manual (Page 449)

449
Appendix C
Environmental and electrical regulatory
data
Contents
This section contains information on the following topics:
"Environmental specifications" (page 449)
"Mechanical conditions" (page 450)
"Access the ITG shell through a maintenance port or Telnet" (page 366)
"Safety" (page 451)
"Electromagnetic Compatibility (EMC)" (page 452)
Environmental specifications
Table 79 "Media Card 32-port and ITG-Pentium 24-port trunk card
temperature and humidity specifications" (page 449)
lists measurements of
performance under test conditions of temperature and shock.
Table 79
Media Card 32-port and ITG-Pentium 24-port trunk card temperature and humidity specifications
Specification Minimum Maximum
Normal operation
Recommended
Relative humidity
15

C
10%
30

C
55% (non-condensing)
Absolute (less than 72 hours) 0

C 45

C
Relative humidity 5% 95% (non-condensing)
Rate of change
Temperature cycling
Less than 1

C per three minutes
0

C to 65

C, 1

C/min., three cycles
Storage
Nortel Communication Server 1000
IP Trunk Fundamentals
NN43001-563 01.01 Standard
Release 5.0 30 May 2007
Copyright © 2007, Nortel Networks
.