Connect To Dc Power - Cisco 1120 Quick Start Manual

Figure 5 AC Power Connector Wiring
4. After the wires are inserted into the connector terminals, use the screwdriver to tighten the connector screw
terminals. The screw terminals are shown in
5. Connect the AC power connector to the AC power connection on the router as shown in
6. Use the screwdriver to tighten the two captive screws on the connector. The terminal screws are shown in
on page 48. Torque the terminal block screws to 1.243 N-m (11 lbf-in).
7. Turn on AC power by plugging in an AC power cord to the power source, or enabling power at the designated circuit.
The router will power on and run a series of bootup tests, indicated by blinking LEDs.
Verify AC Power Connection
After you connect the router to AC power, verify that the power is being supplied to the router by checking the status of
the SYS (System) LED. As the router starts up, the SYS LEDs show these states:
Sequence State
1 Yellow
2 Green blinking
3 Green solid
For the SYS LED location, see

Connect to DC Power

You can connect the router to a DC power source as a primary source.
Note: If you are using AC power as the primary source of power to the router, you can also configure DC power as a
alternate power source in the event that the AC power source fails or is disrupted.
Note: The AC power connection mating connector shipped with the router is a 2-way screw terminal printed circuit board
plug connector manufactured by Phoenix Contact (part number 1912184).
To connect a DC-input power source to the router, follow these steps:
1. Turn off power to the DC power source at the designated circuits.
1 2 3 4
5
3-Phase AC Power
Description
System is receiving power.
The system is starting up or power cycling, and loading system
software, including BIOS and operating system.
The system is functioning normally.
Figure 1 on page 84
Figure 2 on page 48.
in Router LED Locations and States, page
50
1 2 3
Single-Phase AC Power
Figure 4 on page
83.
49.
Figure 2