Cisco NCS 4206 Installing page 25

Installing the Cisco NCS 4206
Figure 21: Installing the DC Power Supply
Step 5 Tighten the captive installation screws of the power supply. The recommended maximum torque is 25 in.-lb (2.82 N-m).
If you are installing a redundant DC power supply, repeat these steps for the second power source.
Connecting DC Power Supply Unit (A900-PWR900-D2)
A900-PWR900-D2 is a dual feed 900W DC PSU. The DC power supply accepts a dual-hole type lug. The
lug must be a UL listed, CSA certified and rated to accept the 8 AWG cable. The lug is assembled on the unit
with two nuts.
Warning
Tools and Equipment
• Dual-hole lugs
• Double barrel with inspection hole
• Hole spacing is 5/8 in.
• Lug tab width max 0.46 in.
• Nuts
• PSU can accommodate 10 – 6 AWG
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Connecting DC Power Supply Unit (A900-PWR900-D2)
Installing the Cisco NCS 4206
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