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Replace Chassis Components
Install the DC Power Supply Module
This equipment is suitable for installation in Network Telecommunications Facilities and locations where the
NEC applies.
This equipment is suitable for installations utilizing the Common Bonding Network (CBN).
The grounding architecture of this product is DC-Isolated (DC-I) for DC-powered products. DC-powered
products have a nominal operating DC voltage of 48 VDC.
Perform the following procedure to install the power supply module:
Step 1
Ensure that the system (earth) ground connection has been made. See the following figure.
Step 2
If necessary, remove the blank power supply filler plate from the chassis power supply bay opening.
Step 3
Verify that power to the DC circuit connected to the power supply you are installing is off. To ensure that power has been
removed from the DC circuits, locate the circuit breakers for the DC circuits, switch the circuit breakers to the OFF
position, and tape the circuit-breaker switches in the OFF position.
Step 4
Grasp the power supply handle with one hand. Place your other hand underneath the power supply.
Step 5
Slide the power supply into the power supply bay. Make sure that the power supply is fully seated in the bay and that the
locking tab locks with the chassis.
Figure 72: Install DC Power Supply Module
Remove the AC Power Supply Module
This section describes how to remove and replace the AC power supply.
Warning
When you install the unit, the ground connection must always be made first and disconnected last. Statement
1046
Hardware Installation Guide for Cisco NCS 5700 Series Fixed-Port Routers
Install the DC Power Supply Module
91
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