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# ERX-7xx Models Specifications

Table 16: ERX-7xx Models Specifications

Category | Specification
--- | ---
Weight | Weights are approximate.
Chassis only | 22 lb (9.9 kg)
Chassis fully configured | 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 | NEBS GR-63-CORE compliant
Ambient operating temperature | Long term: 41° to 104° F (5° to 40° C) Short term: 23° to 122° F (–5° ˚to 50° ˚C)
Ambient operating humidity | Long term: 5% to 85% (noncondensing) Short term: 5% to 95% (noncondensing)
Ambient storage temperature | –40° to 158° F (–40° to +70° C), 95% relative humidity
Ambient storage humidity | 5% to 95% (noncondensing)
Heat Dissipation | 1400 W, 4780 BTU/hour maximum
DC Input |
Voltage | –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.
Current | 30 A @ –48 VDC
Power | 1400 W maximum
Redundancy (input power) | 2 independent line feeds
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.
Airflow | Airflow direction is in through the right side and out through the left side. See Figure 53.
NEBS Certification | 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
Safety Agency Certification | 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
Electromagnetic Emissions Agency Certification | 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)
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)

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