1. Preparing the Site
Ensure that your installation site meets the requirements in Table 1 on page 3.
Table 1: VXA2000 Series Specifications
Description
Category
Normal operating: 41°F to 104°F (5°C to 40°C)
Storage: -40°F to 158°F (-40°C to 70°C)
Ambient temperature
Normal operating: 8% to 90% noncondensing
Short-term relative: 5% to 90% noncondensing, but not to exceed 0.053 lb (0.024 kg)
water per kg (2.205 lb) dry air
Storage: 5% to 95% noncondensing
Ambient humidity
-38 VDC to -72 VDC
An external certified, dedicated circuit breaker rated at a minimum of 20 A is required
for each DC power supply.
DC input voltage
560 W
DC power
100 VAC to 240 VAC
(Optional) AC input voltage
50 Hz/60 Hz nominal
(Optional) AC input line frequency
250 W
(Optional) AC power
Standard 19-in (48.26 cm) rack as defined in Electronics Industry Association document
EIA-310-D,
Cabinets, Racks, Panels, and Associated Equipment
If you do not ground the appliance directly to a site earth-grounding facility, the rack
must be grounded to a reliable earth ground.
Rack requirements
NEBS GR-63 recommends that you allow at least 30 in (72.6 cm) both in front of and
behind the chassis for installation and maintenance.
Airflow vents in the front and rear panels must remain open and uncovered for proper
cooling.
Clearance requirements
3
Copyright © 2010, Juniper Networks, Inc.
1. Preparing the Site
