Grounding Multiple Pieces Of Equipment In A Rack/Cabinet - Meridian Nortel 1 Option 11C Mini Installation Manual

Page 144 of 332

Grounding multiple pieces of equipment in a rack/cabinet

553-3021-209 Standard 3.00
Chapter 11 – Installing the system ground
Procedure 8
UK grounding procedure for the Option 11C Mini chassis
1 Connect a protective and functional ground wire from the
grounding strip on the Krone Test Jack Frame to the ground at
the building entry point.
Use a green/yellow wire no thinner than 10 mm
2 In each chassis, connect a ground wire from the ground lug in the
chassis to the ground connection at the Test Jack Frame.
Use a green/yellow wire no thinner than 10 mm
DISCONNECT tag on the grounding wire.
3 Measure the resistance of the ground between the Krone Test
Jack Frame and the Main Chassis frame ground.
The resistance must not be more than 0.25
—————————— End of Procedure ——————————
For multiple pieces of equipment installed in a rack/cabinet, make a separate
ground connection from each piece of equipment to the NTBK80 grounding
block. Consider each Main Chassis and Chassis Expander pair, however, as
one ground. Jumper the Chassis Expander ground to the Main Chassis
ground. See Figure 39.
If a piece of Data Communications Equipment installed in a rack/cabinet does
not have a grounding lug, ground the rack to the NTBK80 grounding block.
See Figure 39.
When you ground the rack to the grounding block, the equipment is grounded
using the Single Point Grounding method, as shown in Figure 6 on page 52.
April 2000
2
.
2
. Place a DO NOT
3/4
at 30 amperes.