Juniper ACX500 Hardware Manual page 99

• The rack or cabinet must have an adequate supply of cooling air. Allow a minimum of 1 meter/second
of airflow over the ACX500 indoor router.
NOTE: Depending on the ambient temperature, it might take up to 5 minutes for the router to
heat up to the operating temperature.
Table 24 on page 90 provides the required environmental conditions for normal operation of the
ACX500 indoor and outdoor routers.
Table 24: Environmental Specifications
Description
Altitude
Relative humidity
Temperature
Commercial grade SFP
temperature
Seismic
Value
No performance degradation up to 3,000 ft (914.4 m)
Normal operation ensured in relative humidity range of 5% through 95%,
noncondensing
•
Harsh environment: –40°F (–40°C) through 149°F (65°C), de-rate 1°C for
every 1000 ft
•
Central office environment: 23°F (–5°C) through 131°F (55°C)
•
ACX500 outdoor router with solar loading: 114.8°F (46°C)
•
Harsh environment: 32°F (0°C) through 122°F (50°C)
•
Central office environment: 32°F (0°C) through 104°F (40°C)
Designed to meet Telcordia Technologies Zone 4 earthquake requirements
90