Brocade VDX 8770-8 Hardware Reference Manual - Manual (Page 44)

24 Brocade VDX 8770-8 Hardware Reference Manual
53-1002564-04
Providing power to the Brocade VDX 8770-8
2
Connecting an AC power cord
1. Plug the power cord into the power supply.
2. Route the cable so it will be out of the way when connected to the power source.
3. Plug the other end of the cable into the power source.
Connecting a DC power cord
1. Use a #1 Phillips screwdriver to remove the screw that secures the safety cover over the power
lugs and remove the safety cover.
2. Use a #2 Phillips screwdriver to unscrew the power lugs.
3. Obtain heat shrink tubing with the following specifications to install on the #2 AWG power
supply input wire:
• Inside diameter: 1.27 cm (.5 in.)
• Minimum 2:1/50% shrink ratio
• Nominal Rec. Wall Thickness: 30480 mm (.012 in.) minimum
• Dielectric strength: 800V/mil
• Tensile strength: greater than or equal to 5000 psi
• Operating temperature: -40°C to +150°C (-40°F to 302°F) minimum
• RoHS compliant
4. Cut off a 5.08 cm (2 in) lengths for each #2 AWG power supply wire.
5. Slide the tubing over the #2 AWG power supply wire.
6. Crimp the #2 AWG power supply wire into the power lug.
7. Slide the tubing over the lug to the brown strip closest to the lug holes.
8. Apply heat to shrink the tubing over the lug and wire insulation.
Installed tubing and lugs on power supply wire should conform to Figure 9 .
FIGURE 9 Heat shrink tubing and lug on DC power supply cable
9. Connect the power lugs to the power supply unit.
Connect the -48V wire to the negative terminal and the 0V wire to the positive terminal.
1 Heatshrink tubing 2 Power lug