
Extreme Networks Consolidated Hardware Guide 14-11
Installing a BlackDiamond 6800 Series Power Supply
apart. The earth ground studs extend 0.52 inch (13.2 mm) above the power supply
faceplate; the set of positive (+) and negative (–) studs extend 0.9 inch (22.9 mm) above
the faceplate. The nickel plating on the studs enhances conductivity and resists
corrosion. The DC power terminals are isolated from the ground terminal.
Use power cables and lugs with the specifications outlined in Table 14-4.
For convenience, the lock washers and nuts for connecting the source DC cables to the
power terminals are loosely mounted on the studs ready for use.
Attaching the DC Cabling
To attach the cable to the lugs, perform the following steps.
1 Strip 0.5 inches of insulation from the 4 AWG, high strand-count cable.
2 Insert the cable into the cable lugs.
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. The cable retention screw is shown in Figure 14-10.
Figure 14-10: 2-stud lug
Table 14-4: Source DC Power specifications
Characteristic Specification
DC power cable size 4 AWG, high strand count copper wire
DC power cable 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
DC_lug
Cable retention screw
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