Guide Core Switch and Access Switch Crisis
We have a Huawei Core switch and a Dlink plug and play switch before the new Huawei Access switch was deployed. I discovered that everyone on the Core Switch and Dlink Switch is all
Guide Case Study: A Switch Cannot Power a Non-Standard PD
Perform the following operations to rectify this fault: Check whether the PoE function is available on the switch, including whether the switch supports the PoE function, whether the PoE power supply status
Guide Case Study: A Switch Cannot Power a Non-Standard PD
Summary There are PDs that do not comply with IEEE 802.3af, 802.3at, or 802.3bt. When these non-standard PDs are connected to a switch, the switch cannot detect the resistances of these PDs and
Guide How Do I Handle System Startup Faults?
Symptom 1: The switch cannot be powered on and the power indicator is off. Troubleshooting method: Check whether the power supply is normal, whether the power module works properly, and whether
Guide Checking Whether the Power Module Is Faulty
Perform a cross test on the power module. Install the power module into another switch or use a normal power module of another switch to perform a cross test and rectify the fault. If the fault is caused by
Guide How to Locate the Causes of Switch Hardware Faults?
If a power supply alarm is generated on a switch, you can handle the alarm according to the alarm handling method. If the power status of the power module is abnormal, replace the power
Guide How to Fix Huawei Phone Not Turning On in 8 Simple Ways
A lot of users face this issue where their Huawei phones not turning on, but the good news is that there are feasible solutions to resolve the issue. In this guide, we''ll show you eight simple but
Guide A PD Cannot Be Powered On
If the current time is not within the PoE power-off time range or if the power-off time range configuration is canceled on the interface connected to the PD but the PD still cannot be powered, check the
Guide Huawei Campus Switch Knowledge Base & FAQ-Huawei
Listings 0-20 (out of1768)Here are the troubleshooting cases and FAQs for Huawei Campus Switch products. Get your solutions if you have met some problems.
Guide Reuters | Breaking International News & Views
Find latest news from every corner of the globe at Reuters , your online source for breaking international news coverage.
Guide Troubleshooting System Crashes for Modular Switches
If possible, move the problematic power module to another power slot or replace it with another power module to check whether the power module is faulty. If the switch is faulty, go to section Contacting
Guide S Series Switches Stack Deployment Best Practices
If switches cannot be powered on and off separately, for example, all switches are controlled by a power switch and can only be powered on or off simultaneously, you can configure the stack priority of the
Guide Power On and Off or Restart Your Device
Learn about ''Power On and Off or Restart Your Device''. Find all usage guide, troubleshooting tips and resources for your HUAWEI product.
Guide A PD Cannot Be Powered
If many devices exist, location of this switch cannot be identified, or it is uncertain whether a power module is installed properly, log in to the switch and run the display power
Guide How Can I Locate the Cause When a PD Connected to a Switch Cannot
If a PD connected to a switch cannot be powered on, you can run the display poe power-state command, and check the value of Power status in the command output to locate the cause.
Guide Troubleshooting S Series Switch Port and Interface Problems
Run the display transceiver interface command to check whether optical modules of interfaces on both ends are normal, including the receive power, transmit power, and current.
Guide Device Cannot Be Powered On
You can check the status of the power running/alarm indicator, which can be in one of the following states: The red box in Figure 2 shows the location of the AC power running/alarm indicator.
Guide Power Module Troubleshooting
Ensure that the power cables are securely connected to the sockets. Replace the power modules with normal power modules of the same model. If the chassis is powered on, the original power modules
Guide A PD Cannot Be Powered
If the maximum output power that the switch can provide is insufficient for the PD, replace the switch or replace existing PoE power modules with high-power ones.
Guide Case Study: A Switch Cannot Power a Non-standard PD
Symptom A Huawei switch functions as a PSE to power PDs. After a PD is connected to the switch, the PD cannot be powered on.