
14-10 Extreme Networks Consolidated Hardware Guide
BlackDiamond 6800 Series Switch Power Supplies
Selecting the DC Cabling
Use the following guidelines when selecting cabling for the DC power supplies:
• Each DC power supply requires dedicated 55 A service.
• For DC power cables, use 4 AWG, high-strand-count wire cable.
Preparing the DC Cabling
Use the following guidelines when preparing cabling for the DC power supplies:
• Each DC power supply requires dedicated 60 A service.
• For DC power cables, use 4 AWG, high-strand-count wire cable with dual hole lugs
that fit over M6 (metric) terminals that are centered 0.625 inch (15.86 mm) apart.
• For convenience, the lock washers and nuts that you use to connect the source DC
cables to the power terminals are loosely mounted on the studs of the DC power
supply.
Note: Add a length of heat-shrink tubing to prevent the crimp area on the lug
from coming into contact with the metal faceplate of the DC power supply.
Figure 14-9 shows the specifications of the lug that is used to connect the DC power
cable to the DC power supply.
Figure 14-9: Dimensions of the DC power cable lugs
Each set of power terminals on the DC power supply consists of two 6-mm,
metric-threaded, nickel-plated, brass studs that are centered 0.625 inch (15.86 mm)
BD_021
Area for
heat-shrink
tubing
4 AWG,
high-strand-count
conductor
Terminal crimp
All measurements in inches
2.25
0.25
0.55
0.08
2 holes
0.267
0.370.625
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