Extreme Networks Alpine 3802, Руководство по установке оборудования

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238 Extreme Networks Consolidated "i" and "e" Series Hardware Installation Guide
Installing a BlackDiamond 6800 Series Switch Chassis
6 After you secure the chassis, remove the helper bracket.
Store it for future use, in case you need to remove the chassis.
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 inch long
• 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 50.
Removing the Chassis
To remove the BlackDiamond 6800 series chassis from a rack, you need the following tools, equipment,
and resources:
• Helper bracket (shipped originally with the chassis)
• 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
Table 50: Cable and lug specifications
Characteristic Specification
Cable size 4 AWG, high strand count copper wire
Lug Panduit copper, standard barrel, 2-hole lug—Type LDC (Panduit part
number: LCD4-14A-L; Thomas & Betts part number: LCN4-14).
Power 1971 W, 42 to 72 VDC