How to Powering on Huawei S2700&S3700&S5700&S6700 Switch for the First Time?

When you get a new Huawei S2700&S3700&S5700&S6700, do you know how to power it on in the correct way?

Tools and Accessories

• ESD wrist strap or ESD gloves
• Multimeter
• Console cable

Procedure

Step 1 Perform the following checks before powering on a switch:

1. Use a multimeter to check that there is no short-circuit condition between the phase wire

(live wire), earth wire, and neutral wire in each power outlet.

2. Use the multimeter to check that the input voltage provided by the external power supply

system is within the operating voltage range for the switch. For the operating voltage

range.

3. Check that the power switches of the external power supply system and the switch or the

power module are both turned off.

4. Check that the power cables are correctly connected.

Step 2 Wear an ESD wrist strap or ESD gloves. When wearing an ESD wrist strap, ensure that it is in

close contact with your wrist and grounded properly.

Step 3 Connect the DB-9 connector of the console cable to the 9-pin serial port on a maintenance

terminal. Then, connect the RJ45 connector of the console cable to the console port on the

switch.

Console cable connection

NOTE

After connecting both ends of the console cable, power on the switch. During the startup sequence of the switch, you can choose whether to enter the BootROM menu. The BootROM menu and the

procedure to enter it vary depending on software versions. For details, see the upgrade guide for the

switch and software version in use.

If a switch has a mini USB port, you can also use a mini USB cable to connect the switch to a

maintenance terminal

Step 4 Turn on the external power supply system connected to the switch.

Step 5 Turn on the power switch on the switch or power module.

Step 6 After the switch completes its startup sequence, check the indicators on the switch and power

modules.

Follow-up Procedure

To power off Huawei Switch like S5720-50X-EI-46S-AC, perform the following steps:

1. Turn off the power switch on the switch or power module.

2. Turn off the external power supply system connected to the switch.

3. Check that the switch and all its modules are powered off. (All indicators are off.)