Juniper Networks E-Series Network Router User Manual


 
ERX-7xx Models Specifications
E-Series Routers
11-3
ERX-7xx Models Specifications
Telecommunications
Certification
ACA TS 016-1997
CTR13 – Commission Decision of 9 July 1997 on a common technical
regulation for attachment requirements for terminal equipment interface for
connection to 2048 kbit/s digital structured ONP leased lines: 97/521/EC –
OJ No. L215 Vol. 40, August 1997
CTR24 – Commission Decision of 9 September 1997 on a common
technical regulation for attachment requirements for terminal equipment
interface for connection to 34 Mbit/s digital unstructured and structured
leased lines: 97/639/EC – OJ No. L271 Vol. 40, 3 October 1997
FCC PART 68
IECS-003 Issue 3 Class A
PD7024 – Essential requirements for terminal equipment intended for
connection to unstructured digital leased circuits of the public
telecommunications network using a CCITT recommendation G,703
interface at a rate of 2048 kbit/s with a 75 ohm unbalanced presentation,
1994
RTTE Directive (1999/5/EEC)
a.If the voltage rises above –40 VDC, the system will power off. The system will not power on again until the input
voltage reaches –43 +/– 0.5 VDC.
Table 11-1 ERX-14xx models specifications (continued)
Category Specification
Table 11-2 ERX-7xx models specifications
Category Specification
Weight
Chassis only
Chassis fully configured
22 lb 9.9 kg
46 lb 20.7 kg
Dimensions 10.5 (H) x 19 (W) x 16 (D) inches; 26.67 x 48.26 x 40.64 cm
Environmental Requirements
Ambient operating temperature
Ambient operating humidity
Ambient storage temperature
Ambient storage humidity
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)
Heat Dissipation 1400 W, 4780 BTU/hour maximum
Space Requirements 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.