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  ITU-T A.5 justification information for referenced document ETSI ES 202 336-2 V1.1.1 (2009-03)  in draft L.1396
1. Clear description of the referenced document:
Name: ETSI ES 202 336-2 V1.1.1 (2009-03)
Title: Environmental Engineering (EE); Monitoring and control interface for infrastructure equipment (Power, Cooling and environment systems used in telecommunication networks); Part 2: DC power system control and monitoring information model
2. Status of approval:
Approved by ETSI.
3. Justification for the specific reference:
The only available standard on this subject.
4. Current information, if any, about IPR issues:
ETSI IPR information is available at http://www.etsi.org/
5. Other useful information describing the "Quality" of the document:
The status of the referred ETSI document is "approved standards".
6. The degree of stability or maturity of the document:
The status of the referred ETSI document is published standard
7. Relationship with other existing or emerging documents:
Part of ETSI ES 202 336 series.
8. Any explicit references within that referenced document should also be listed:
[1] ETSI ES 202 336-1: "Environmental Engineering (EE); Monitoring and Control Interface for /
Infrastructure Equipment (Power, Cooling and Building Environment Systems used in /
Telecommunication Networks); Part 1: Generic Interface". /
[2] ETSI EN 300 132-2: "Environmental Engineering (EE); Power supply interface at the input to /
telecommunications equipment; Part 2: Operated by direct current (dc)". /
[3] ETSI EN 300 132-3: "Environmental Engineering (EE); Power supply interface at the input to /
telecommunications equipment; Part 3: Operated by rectified current source, alternating current /
source or direct current source up to 400 V". /
[4] ETSI EN 302 099: "Environmental Engineering (EE); Powering of equipment in access network".
9. Qualification of ETSI:
ETSI is recognized under the provisions of ITU-T Recommendations A.5 and A.6. Qualifying information is on file at TSB.
10. Other (for any supplementary information):
None.
Note: This form is based on Recommendation ITU-T A.5