Erx-7Xx Models Specifications - Juniper E Series Hardware Manual

ERX 7.0.x Hardware Guide

ERX-7xx Models Specifications

Table 17: ERX-7xx Models Specifications
Category
Weight
Chassis only
Chassis fully configured
Dimensions
Environmental Requirements
Ambient operating temperature
Ambient operating humidity
Ambient storage temperature
Ambient storage humidity
Heat Dissipation
DC Input
Voltage
Current
Power
Redundancy (input power)
Space Requirements
Airflow
NEBS Certification
116
ERX-7xx Models Specifications
Specification
Weights are approximate.
22 lb (9.9 kg)
46 lb (20.7 kg)
10.5 (H) x 19 (W) x 16 (D) inches; 26.67 x 48.26 x 40.64 cm
NEBS GR-63-CORE compliant
Long term: 41° to 104° F (5° to 40° C)
Short term: 23° to 122° F (–5° to 50° C)
Long term: 5% to 85% (noncondensing)
Short term: 5% to 95% (noncondensing)
–40° to 158° F (–40° to +70° C), 95% relative humidity
5% to 95% (noncondensing)
1400 W, 4780 BTU/hour maximum
–40 to –72 VDC
30 A @ –48 VDC
1400 W maximum
2 independent line feeds
3 feet (90 cm) behind router or rack
Do not block air vents on sides of the router.
Do not place equipment that exhausts hot air to left
on the right of the router.
Be aware that router exhausts hot air from its left side.
Airflow direction is in through the right side and out
through the left side. See Figure 54.
SR-3580 (FD-15): Network Equipment Building
System (NEBS) Criteria Levels, Issue 1, November
1995
GR-63–CORE: Network Equipment Building System
(NEBS) Requirements: Physical Protection, Issue 2,
April 2002
GR-1089 (LSSGR, FD-15): Electromagnetic
Compatibility and Electrical Safety - Generic Criteria
for Network Telecommunications Equipment, Issue
2, Revision 1, February 1999