TP-Link T2600G-18TSTL-SG3216 T2600G-18TSUN V1 Instalation Guide - Page 28

Appendix A, Troubleshooting

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JetStream Gigabit L2 Managed Switch Appendix A Troubleshooting Q1. What could I do if I forgot the username and password of the switch? 1. Connect the console port of the PC to the console port of the switch and open a terminal emulation program. 2. Power off and restart the switch. When you are prompted that "Hit any key to stop autoboot" in the terminal emulation program, please press any key to enter into bootUtil menu shown as the following figure. 3. Enter the number 6 to select the "Password recovery" option and enter Y to delete all the users and passwords. The default login username and password are both admin. The other configurations in the switch will not be changed. Q2. Why does the PWR LED work abnormally? The PWR LED should be lit up when the power system works normally. If the PWR LED worked abnormally, please take the following steps: 1. Make sure that the power cable is connected properly, and the power contact is normal. 2. Make sure the voltage of the power supply meets the requirement of the input voltage of the switch. Q3. What could I do if I could not access the web-based configuration page? You are recommended to check the following items: 1. Check every port LED on the switch and make sure the cable is installed properly. 2. Try another port on the switch and make sure the cable meets the requirement and works normally. 3. Turn off the power. After a while, turn on the power again. 4. Make sure the IP address of your PC is set within the subnet of the switch. 24 Appendix A Troubleshooting

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JetStream Gigabit L2 Managed Switch
24
Appendix A
Troubleshooting
Appendix A
Troubleshooting
Q1.
What could I do if I forgot the username and password of the switch?
1.
Connect the console port of the PC to the console port of the switch and open a terminal emulation
program.
2.
Power off and restart the switch. When you are prompted that “Hit any key to stop autoboot” in the
terminal emulation program, please press any key to enter into bootUtil menu shown as the following
figure.
3.
Enter the number 6 to select the “Password recovery” option and enter Y to delete all the users and
passwords. The default login username and password are both admin. The other configurations in the
switch will not be changed.
Q2.
Why does the PWR LED work abnormally?
The PWR LED should be lit up when the power system works normally. If the PWR LED worked abnormally,
please take the following steps:
1.
Make sure that the power cable is connected properly, and the power contact is normal.
2.
Make sure the voltage of the power supply meets the requirement of the input voltage of the switch.
Q3.
What could I do if I could not access the web-based configuration page?
You are recommended to check the following items:
1.
Check every port LED on the switch and make sure the cable is installed properly.
2.
Try another port on the switch and make sure the cable meets the requirement and works normally.
3.
Turn off the power. After a while, turn on the power again.
4.
Make sure the IP address of your PC is set within the subnet of the switch.