Extreme Networks WM-4T1i Specifikace Strana 209

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Removing the Chassis
Extreme Networks Consolidated Hardware Guide 209
Grounding the BlackDiamond 6800 Series Chassis
To ground your BlackDiamond 6800 series chassis in accordance with NEBS standards, gather these
materials:
Two 1/4-20 steel zinc plate screw fasteners approximately 1/2" in length.
Two zinc-plated steel lockwashers
One Panduit-style, standard two-hole barrel, copper compression lug
4 AWG, high strand-count copper wire cable
To ground the chassis:
1 Strip 0.5 inch (1.2 cm) of insulation from the 4 AWG, high strand-count copper wire cable.
2 Insert the cable into the cable lug.
CAUTION
Ensure that no copper is visible between the lug and the cable insulation.
3 Tighten the cable retention screw, using a
1
/
4
or
5
/
16
flathead screwdriver, to 20 in-lbs of torque.
4 Attach the ground lug, lock washers, and screw fasteners (in that order) to the grounding studs on
the rear of the chassis.
Use cables and lugs with the specifications outlined in Table 55.
Removing the Chassis
To uninstall the BlackDiamond 6800 series chassis from a rack, you need the following tools, equipment,
and resources:
Helper bracket (provided)
A minimum of four appropriate screws to secure the helper bracket (not provided)
# 1 Phillips screwdriver
A minimum of two people to help remove the chassis from the rack
To uninstall the chassis from a rack:
1 Unplug the power cable from the outlet and then from the switch before you attempt to remove the
chassis components and the chassis from the rack.
2 Mount the helper bracket in the rack directly beneath the chassis using four screws that are
appropriate for your rack.
Table 55: Cable and lug specifications
Characteristic Specification
Cable size 4 AWG, high strand count copper wire
Lug Panduit copper, standard barrel, 2-hole lugType LDC (Panduit part
number: LCD4-14A-L; Thomas & Betts part number: LCN4-14).
Power 1971 W, 42 to 72 VDC
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