Juniper E SERIES BROADBAND SERVICES ROUTERS 11.3.X - ERX HARDWARE GUIDE REV 26-9-2010 Hardware Manual page 126

ERX 11.3.x Hardware Guide
Table 15: ERX14xx Models Specifications (continued)
Category
Voltage
Current
Power
Redundancy (input power)
Space Requirements
Airflow
NEBS Certification
Safety Agency Certification
Electromagnetic Emissions
Agency Certification
110
Specification
–40 to –72 VDC
NOTE: If the voltage rises above –40 VDC, the system powers off. The system does not
power on again until the input voltage reaches –43 +/– 0.5 VDC.
50 A @ –48 VDC
2400 W maximum
2 independent line feeds
3 feet (90 cm) behind router or rack
No space requirements for sides of units or rack
Do not block air vents on top, front, or back of the router
An integral air plenum directs router's exhaust air below the router and out the back. See
Figure 53 on page 124.
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
AS/NZS 60950:2000 Safety of Information Technology Equipment
CAN/CSA-C22.2, No. 60950-1–03, First Edition, Information Technology Equipment -
Safety - Part 1: General Requirements
EN60825-1, Safety of Laser Products - Part 1: Equipment Class, Requirements, and User's
Guide (2001)
EN60950-1:2001, First Edition, Information Technology Equipment - Safety - Part 1:
General Requirements
IEC 60950-1(2001-10) Ed. 1.0 Information Technology Equipment - Safety - Part 1: General
Requirements
Low Voltage Directive (73/23/EEC)
UL 60950-1, First Edition, Information Technology Equipment - Safety - Part 1: General
Requirements
AS/NZS 3548:1995 (CISPR 22 Class A)
EMC Directive (89/336/EEC)
EN55022 Class A (CISPR-22 Class A)
EN55024, Annex C for WAN Equipment Performance Criteria A, B, and C
ETSI 300-386, Telecommunication Network Equipment; ElectroMagnetic Compatibility
(EMC) requirements
FCC Part 15 Class A
IECS-003 Issue 3 Class A
VCCI (Voluntary Control Council for Interference by Information Technology Equipment)
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