DIN EN 300253:2015 Environmental Engineering (EE) - Earthing and bonding of ICT equipment powered by -48 VDC in telecom and data centres (Endorsement of the English version EN 300 253 V2.2.1 (2015-06) as German standard)
2015DIN EN 300253:2015-09 Environmental Engineering (EE) - Earthing and bonding of ICT equipment powered by -48 VDC in telecom and data centres (Endorsement of the English version EN 300 253 V2.2.1 (2015-06) as German standard) / Note: DIN ETS standards collection*Endorsement n...
2015DIN EN 300253:2015 Environmental Engineering (EE) - Earthing and bonding of ICT equipment powered by -48 VDC in telecom and data centres (Endorsement of the English version EN 300 253 V2.2.1 (2015-06) as German standard)
2003DIN EN 300253:2003 Environmental Engineering (EE) - Earthing and bonding configuration inside telecommunications centres (Endorsement of the English version EN 300253 V 2.1.1 (2002-04) as German Standard)