Connect To Dc Power (Optional); Verify Ac Power Connection - Cisco 1120 Hardware Installation

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

50. 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.

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

You can connect the router to a DC power source that provides backup power to the router in cases when AC power is

disrupted or fails. You must provide the DC power source and ensure that it is compliant with the installation site

requirements.

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 86

Figure 2 on page

50.

in

Router LED Locations and States, page

52

1

2

3

Single-Phase AC Power

Figure 4 on page

85.

51.

Figure 2