Troubleshooting Checklist
4-6 Troubleshooting
Troubleshooting Checklist
Ifthedeviceisnotworkingproperly,refertoTable 4‐1forachecklistofproblems,
possiblecauses,andrecommendedactionstoresolvetheproblem.
Link/
Activity
Off 1. No link.
2. No activity or port in standby. 
3. If the port is one of the highest numbered 
last four RJ45 ports, the port is deactivated 
because the Mini-GBIC port with the same 
port number is linked.
4. If the port is a Mini-GBIC port, the port is 
deactivated because the RJ45 port with the 
same port number is linked.
None.
None.
None.
None.
Green Solid. Port is linked, but the interface is not 
receiving any traffic.
None.
Blinking. Port is linked and traffic is being 
received or transmitted by the interface.
None.
Figure 4-3  LANVIEW LEDs (Continued)
LED Color State Recommended Action
Table 4-1 Troubleshooting Checklist 
Problem Possible Cause Recommended Action
All LEDs are OFF. Loss of power. Ensure that the switch was installed properly according to 
the installation instructions in Chapter 3.
Ensure that the power cords are connected properly to an 
active power source that meets the AC input specifications 
for this switch.
Ensure that the AC power cord is not damaged. Replace the 
power cord with a known good one.
No local 
management 
startup screen.
Incorrect terminal setup. Refer to the SecureStack C2 Configuration Guide for proper 
setup procedures.
Improper Console cable 
pinouts.
Refer to Appendix A for proper Console port pinouts.
Corrupt firmware image, or 
hardware fault.
If possible, attempt to download the image to the device 
again. Refer to the SecureStack C2 Configuration Guide for 
details.