Extreme 3802 Hardware Manual
220
Extreme Networks Consolidated Hardware Guide
BlackDiamond 6800 Series Switch Power Supplies
Figure 108: Dimensions of the DC power cable lugs
Use power cables and lugs with the specifications outlined in Table 60.
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 copper wire 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 109.
Figure 109: 2-stud lug
Each set of power terminals on the DC power supply consists of two 6-mm, metric-threaded,
nickel-plated, brass studs centered 0.625 inch 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
nickel-plated, brass studs centered 0.625 inch 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
Table 60: 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).
number: LCD4-14A-L; Thomas & Betts part number: LCN4-14).
Power
1800 W, -42 to -70 VDC
BD_021
Area for
heat-shrink
tubing
4 AWG,
high-strand-count
conductor
Terminal crimp
2.25 in. (5.72cm)
0.25 in.
(0.64cm)
0.55 in.
(1.40cm)
0.08 in.
(0.20cm)
2 holes
0.267 in.
(0.678cm)
0.37 in.
(0.94cm)
0.625 in.
(1.588cm)
DC_lug
Cable retention screw