Appendix C T640 Environmental Specifications; T640 Environmental Specifications; Table 54: Router Environmental Specifications - Juniper T640 Hardware Manual

APPENDIX C

T640 Environmental Specifications

T640 Environmental Specifications
Related
Documentation
Copyright © 2013, Juniper Networks, Inc.
T640 Environmental Specifications on page 423
Table 54 on page 423 specifies the environmental specifications required for normal router
operation. In addition, the site should be as dust-free as possible.

Table 54: Router Environmental Specifications

Description
Altitude
Relative humidity
Temperature
Seismic
Maximum thermal output
NOTE: Install the router only in restricted areas, such as dedicated equipment
rooms and equipment closets, in accordance with Articles 110-16, 110-17, and
110-18 of the National Electrical Code, ANSI/NFPA 70.
T640 Cooling System Description on page 75
Maintaining the T640 Air Filters on page 180
Maintaining the T640 Fan Trays on page 181
Troubleshooting the T640 Cooling System on page 203
Value
No performance degradation to 10,000 ft (3048 m)
Normal operation ensured in relative humidity range of 5% to 90%,
noncondensing
Normal operation ensured in temperature range of 32°F (0°C) to
104°F (40°C)
Nonoperating storage temperature in shipping crate: –40°F (–40°C)
to 158°F (70°C)
Designed to meet Telcordia Technologies Zone 4 earthquake
requirements
DC power: 28,498 BTU/hour (8350 W)
423