ECI XDM-300, Руководство по установке и обслуживанию

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XDM-300 Installation and
Maintenance Manual Before You Start
417006-2311-0H3-A00 ECI Telecom Ltd. Proprietary 2-23
C
AUTION
:
Connect the RAP grounding bolt to the rack
grounding bolt with a grounding cable complying with
UL/ETSI recommendations. The cable should include bolt
terminals on both ends and should be securely fastened with a
nut and a star washer.
Equipment grounding requirements
Ground each equipment unit mounted on the rack to the rack frame by means
of the retaining bolts and nuts used to attach the unit to the rack frame.
Ground equipment to the rack rails via the mounting brackets. The mounting
bracket internal surface facing the rails and the equipment must be free of paint
and provide electrical continuity to the equipment frame. Check the resistance
between any mounting bracket and the equipment frame (chassis) to be less
than 0.1
Ω
.
Where regulations require, connect each XDM-300 shelf separately to the site
grounding bar using the special grounding strip on the XDM-300 shelf bracket.
The thickness of the grounding cable connecting between the XDM-300 shelf
and the RAP must be at least as thick as the DC cables feeding the shelf. The
thickness of the grounding cable connecting between the RAP and the rack's
grounding stud must be at least as thick as the DC cables feeding the RAP.
Figure 2-6: XDM-300 grounding posts