Cisco 4000 Series User Manual

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Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
OL-32185-02
Chapter 5 Install and Upgrade Internal Modules and FRUs
Remove and Replace Cisco 4000 Series ISRs Power Supplies
Step 3 Remove the plastic cover from the terminal block. Save the covers for re-installation after you finish
wiring. See Figure 5-37.
Step 4 Use a screwdriver to loosen the terminal block captive screws, as shown in Figure 5-41.
Step 5 Repeat these steps for the remaining DC input power source wire as applicable.
Step 6 Remove the input power cable from the terminal block, and gently push it out of the terminal block.
Figure 5-42 Remove the Plastic Cover and DC Input Power
Install DC Input Power on Cisco 4331 ISR
Warning Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003
Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030
This section describes how to install the DC power supply input power leads to the Cisco 4331 Router
DC input power supply.
• The color coding of the DC input power supply leads depend on the color coding of the DC power
source at your site. Ensure that the lead color coding you choose for the DC input power supply
matches the lead color coding used at the DC power source and verify that the power source is
connected to the negative (–) terminal and to the positive (+) terminal on the power supply.
1 Plastic Cover Cable Tie
DC Power Source

Cisco 4000 Series Specifications

General

Brand	Cisco
Model	4000 Series
Category	Network Router
Language	English