Remove Dc Input Power From Cisco 4331 Isr - Cisco 4000 Series Hardware Installation Manual

Chapter 5 Install and Upgrade Internal Modules and FRUs
Figure 5-41
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Remove DC Input Power from Cisco 4331 ISR

Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
Statement 1003
Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030
Warning When installing or replacing the unit, the ground connection must always be made first and
disconnected last. Statement 1046
This section describes how to remove a DC input power from Cisco 4331 Series ISR.
Turn off the circuit breaker at the power source.
Step 1
Ensure that the power switch is in the standby position.
Step 2
OL-32185-02
Cisco 4331 ISR Power Supply Module
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Power supply module
Power supply cable connector
Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
Remove and Replace Cisco 4000 Series ISRs Power Supplies
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2 Screws
4
Power supply module tab
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