[VIP-2140PT] Device could not boot up

1. The device is powered by external power supply via power adapter or PoE switch. Please use standard power adapter provided or PoE switch met with the specification requirements and check if device is well connected to power source.
   
2. If you see "POST MODE" on the device screen, the device system image has been damaged. Please refer to the following instructions to restore the system image.

WARNING! PLEASE AVOID UPDATING SYSTEM IMAGE FROM POST MODE UNLESS THE SYSTEM IMAGE IS DAMAGED.
If the device could not boot up and entered into POST MODE, it usually means the system image has been damaged owing to power failure during software upgrade. When this occurs, users may follow the steps below to restore the system image.
Step 1. Download the latest device software.
Step 2. Set up an FTP server on a PC and put the downloaded software in the FTP repository. (Windows users can download free FTP server software such as WFTPD32 or 3CDaemon.)
Step 3. Configure the PC with the fixed IP address as 192.168.10.10
Step 4. Connect device network with the PC.
Step 5. Telnet from PC to device: >telnet 192.168.10.1
Step 6. When telnet connection is established, it will run POST maintenance tools. Please select ‘2’ – FTP update image, and fill in required information to start the image update.
Step 7. Once the update is done, please select ‘4’ to reboot the device.