Power Connections

Figure 12 DC Power Connections for Cisco 3825 Routers

-DC, input A Return, input A Safety ground Return, input B -DC, input B

Terminal block

A + + B

Negative DC input

Return, input A

+DC, input A

Safety ground

+DC, input B

Return, input B

Terminal block

A +

+ B

111752

Positive DC input

Figure 13 DC Power Connections for Cisco 3845 Routers

Negative DC input

Positive DC input

24-60 19-8 A

 

24-60 19-8 A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Safety ground

Negative polarity input 0V (return)

Step 6 Install the plastic cover over the terminals. (See Figure 14.)

 

 

117981

Safety ground

 

0V (return)

Positive polarity input

Warning The safety cover is an integral part of the product. Do not operate the unit without the safety cover installed. Operating the unit without the cover in place will invalidate the safety approvals and pose a risk of fire and electrical hazards. Statement 117

Step 7 Organize and bundle the wires using cable ties as shown in Figure 14 or Figure 15.

Step 8 If you are installing a second DC power supply, repeat Step 1 through Step 7 for the second supply (input B).

Step 9 Turn on power to the DC circuit. Be sure to remove tape used to secure the circuit-breaker switch in the OFF position.

Connecting Cables to Cisco 3800 Series Routers

 

OL-5970-02

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OL-5965-01 specifications

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