User's Manual

Power Connections
23
Connecting Cables to Cisco 3800 Series Routers
OL-5970-02
Figure 12 DC Power Connections for Cisco 3825 Routers
Figure 13 DC Power Connections for Cisco 3845 Routers
Step 6
Install the plastic cover over the terminals. (See Figure 14.)
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.
111752
A
+
B
+
A ++B
Terminal
block
Negative DC input Positive DC input
Terminal
block
-DC, input B
Return, input B
Safety ground
Return, input A
-DC, input A
Return, input B
+DC, input B
Safety ground
+DC, input A
Return, input A
117981
0V (return)
Negative polarity input
Safety ground
Positive polarity input
0V (return)
Safety ground
24-60 19-8 A 24-60 19-8 A
Positive DC input
Negative DC input