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Cisco 3600 Series Routers Hardware Installation Guide
OL-2056-05
Chapter 3 Installing the Router
Power Connections
Power Connections
This section explains how to connect AC or DC power to Cisco 3600 series routers. It covers the
following topics:
• Connecting Routers to AC Power, page 3-27
• Connecting Routers to a DC-Input Power Supply, page 3-27
• Connecting Routers to the Cisco Redundant Power System, page 3-36
Connecting Routers to AC Power
If your router uses AC power, connect it to a 15 A, 120 VAC (10 A, 240 VAC) circuit with overcurrent
protection.
Note The input voltage tolerance limits for AC power are 85 and 264 VAC.
Warning
AC connected units must have a permanent ground connection in addition to the power cable ground
wire. NEBS-compliant grounding satisfies this requirement.
Statement 284
Warning
This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that
the protective device is rated not greater than:
15A, 120VAC (10A, 240VAC).
Statement 1005
Connecting Routers to a DC-Input Power Supply
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003
Warning
This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that
the protective device is rated not greater than:
15A, 60VDC.
Statement 1005
Warning
Use copper conductors only.
Statement 1025
Note The installation must comply with the 1996 National Electric Code (NEC) and other applicable codes.
If your router has a DC-input power supply, follow the directions in this section for proper wiring.
A router with a DC-input power supply has a terminal block for the DC power connections.