Colombo, Sri Lanka, 3-4 October 2013 ITU-T L.1200 Direct current power feeding interface up to 400 V at the input to telecommunication and ICT equipment Shuguang Qi, Associate Rapportuer of Q19/SG5, [email protected]ITU Workshop on “Greening the Future: Bridging the Standardization Gap on Environmental Sustainability” (Colombo, Sri Lanka, 3-4 October 2013)
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Shuguang Qi, Associate Rapportuer of Q19/SG5, qishuguang@catr
ITU Workshop on “Greening the Future: Bridging the Standardization Gap on Environmental Sustainability ” (Colombo, Sri Lanka, 3-4 October 2013). ITU-T L.1200 Direct current power feeding interface up to 400 V at the input to telecommunication and ICT equipment. Shuguang Qi, - PowerPoint PPT Presentation
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Colombo, Sri Lanka, 3-4 October 2013
ITU-T L.1200Direct current power feeding interface
up to 400 V at the input to telecommunication and ICT equipment
ITU Workshop on “Greening the Future: Bridging the Standardization
Gap on Environmental Sustainability”
(Colombo, Sri Lanka, 3-4 October 2013)
Content
Colombo, Sri Lanka, 3-4 October 2013 2
HVDC Application
Other requirements
System Voltage ranges
Interface P
General Introduction
Content
Colombo, Sri Lanka, 3-4 October 2013 3
HVDC Application
Other requirements
System Voltage ranges
Interface P
General Introduction
General Introduction
Summary
Colombo, Sri Lanka, 3-4 October 2013 4
Define Interface
This Recommendation specifies the direct current (DC) interface between the powerfeeding system and ICT equipment connected to it.
Normal and abnormal voltage ranges, and immunity test levels for ICT equipment to maintain the stability of telecommunication and data communication services.
Contents
Content
Colombo, Sri Lanka, 3-4 October 2013 5
HVDC Application
Other requirements
System Voltage ranges
Interface P
General Introduction
Interface P in ITU-T L.1200
Interface P
Colombo, Sri Lanka, 3-4 October 2013 6
Content
Colombo, Sri Lanka, 3-4 October 2013 7
HVDC Application
Other requirements
System Voltage ranges
Interface P
General Introduction
Normal Output Voltage Ranges in ITU-T L.1200
System Normal Output voltage ranges
Colombo, Sri Lanka, 3-4 October 2013
Target solutions
– The minimum voltage is 260 V.– The maximum voltage is 400 V.
ICT equipment shall maintain a specified normal serviceis 192 V-288 V.
Transitional solutions
Content
Colombo, Sri Lanka, 3-4 October 2013 9
HVDC Application
Other requirements
System Voltage ranges
Interface P
General Introduction
Other requirements in ITU-T L.1200
Abnormal DC voltage rangeFor Target solution:–(0V < U < 260 V);–(400V < U < 410 V).