H3C S7502 Ethernet Switch Installation Manual
Table Of Contents
- 00-1Cover.pdf
- 01-Chapter 1 Product Overview.pdf
- 02-Chapter 2 Line Processing Units.pdf
- 03-Chapter 3 nstallation Preparations.pdf
- 04-Chapter 4 Hardware Installation.pdf
- Chapter 4 Hardware Installation
- 05-Chapter 5 System Commissioning.pdf
- 06-Chapter 6 Hardware Maintenance.pdf
- 07-Chapter 7 Software Maintenance.pdf
- Chapter 7 Software Maintenance
- 7.1 Introduction to Loading Approaches
- 7.2 Loading Software Locally through Boot Menu
- 7.3 Loading Software Remotely or Locally through Command Lines
- 7.4 Booting the Switch with Dual Images
- 7.5 Loading a Host Software Containing the Boot ROM File
- 7.6 Handling Loading Failure
- 7.7 Handling Password Loss
- Chapter 7 Software Maintenance
- 08-Chapter 8 Troubleshooting.pdf
- 09-Appendix A Lightning Protection.pdf
- 10-Appendix B AC Power Cables Used in Different Countries.pdf

Installation Manual
H3C S7502 Ethernet Switch Chapter 8 Troubleshooting
8-3
Table 8-3 Description of card LEDs
LED Status Description
ON/OFF
The card is faulty or is not installed yet.
RUN (Green)
Blinking The card works normally.
OFF
The card is faulty or is not installed yet.
ALM (Red)
ON The card works abnormally.
z If the ALM LED of a card stays on, something is wrong with the card. When you
reset the card, the ALM LED will turn on. After normal booting, the LED will be off.
z When resetting a card, if the ALM LED stays off, the card may be disconnected
from the power supply. Check if the card is properly installed.