APPENDIX C
T640 Environmental Specifications
T640 Environmental Specifications
Related
Documentation
Copyright © 2010, Juniper Networks, Inc.
T640 Environmental Specifications on page 343
Table 35 on page 343 specifies the environmental specifications required for normal router
operation. In addition, the site should be as dust-free as possible.
Table 35: 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 61
Maintaining the T640 Air Filters on page 146
Maintaining the T640 Fan Trays on page 147
Troubleshooting the T640 Cooling System on page 168
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)
343