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Tools and Equipment
• Number 2 Phillips Screwdriver
• 7 mm nut driver or 7 mm socket on a torque wrench
Step 1
Locate the terminal block on the power supply unit.
Step 2
Flap open the front protective cover on the power supply unit.
Step 3
Use a wire-stripping tool to strip the ends of each of the two wires coming from the DC-input power source as recommended
by the lug manufacturer.
Stripping more than the recommended amount of wire can leave behind exposed wire from the terminal block
Note
after installation.
Step 4
Identify the positive and negative feed positions for the terminal block. The recommended wiring sequence is as in the
figure below.
Step 5
Attach the lugs on the terminal block, see the figure below.
Figure 22: Power Supply with Lead Wires
1,
Negative (-) lead wire
3
Caution
Do not overtorque the fasteners of the terminal block. The recommended maximum torque is from 25 in.-lb
(2.82 N-m).
Installing the Cisco NCS 4206
26
2,
Positive (+) lead wire
4
Installing the Cisco NCS 4206
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