Cisco 4000 Series Hardware Installation Manual page 173
Integrated services routers
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Also See for 4000 Series:
- Upgrade manual (24 pages) ,
- Installation manual (18 pages) ,
- Manual (52 pages)
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Chapter 5
Install and Upgrade Internal Modules and FRUs
Note
Step 2
Insert the power supply in the power-supply slot, and gently push it into the slot. When correctly
installed:
•
For Cisco 4431 ISR, the DC power supply (excluding the extraction handle) is flush with the router.
•
For Cisco 4451 ISR and Cisco 4351ISR, the DC power supply (excluding the extraction handle) is
recessed from the router bezel.
Wire can be stripped and terminated directly to the power supply terminal block, or a crimp style spade
Step 3
terminal lug can be used. If you are using a terminal lug, follow the manufacturer's instructions for
terminating the lug to the wire. If terminating directly to the terminal block using bare wire, follow the
instructions in the
DC input power source and strip the wires to approximately 0.39 inch (10 mm) + 0.02 inch (0.5 mm).
We recommend that you use 14 AWG insulated wire. Do not strip more than the recommended length of
wire because doing so could leave the wire exposed from the terminal block.
stripped DC input power source wire.
Figure 5-38
1
0.39 inch (10 mm) is the recommended wire-strip length for the terminal block.
An exposed wire lead from a DC input power source can conduct harmful levels of electricity. Be sure
Warning
that no exposed portion of the DC input power source wire extends from the terminal block. Statement
122
Identify the positive and negative feed positions for the terminal block connection. The wiring sequence
Step 4
is:
Positive (+) lead wire (right)
1.
Negative (–) lead wire (left)
2.
Remove the router bezel. See
Step 5
hold the top and bottom and pull the bezel.
OL-32185-02
You do not require to place the power switch in the standby position if you want to hot-swap a
single power supply.
Figure
5-40. Use a wire-stripping tool to strip each of the two wires coming from the
Stripped DC Input Power Source Wire
1
Figure
Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
Remove and Replace Cisco 4000 Series ISRs Power Supplies
5-39. The bezel is secured with snap latches. To remove the bezel,
Figure 5-38
shows a
5-49
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