User manual
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Cooper Bussmann 2080E-T Managed Ethernet Switch User Manual
69Rev Version 1.0
6.7.6 Diagnostics
Ping
To ping other network devices, choose Maintenance-->Diagnostics-->Ping, enter the IP address you want to ping,
and then click Active.
Figure 77 Diagnostics - Ping
6.8 Troubleshooting
Follow these steps to troubleshoot switch problems.
1. Verify that you are using the right power cord or adapter (DC 12–48V).
WARNING Do not use a power adapter with DC output greater than 48V, or it may damage the device.
2. Verify that you are using the proper UTP/STP cable to construct the user network.
Use unshielded twisted-pair (UTP) or shield twisted-pair (STP) cable for RJ-45 connections, depending on the
connector type on the switch. Use 100Ω Category 3, 4 or 5 cables for 10 Mbps connections, 100Ω Category5
cable for 100 Mbps connections. In addition, make sure that the length of any twisted-pair connection does
not exceed 100 meters (328 ft).
3. Use the LED indicators to help diagnose the problem.
To assist in identifying problems, the switch can be easily monitored through the panel indicators, which
describe common problems you may encounter and indicate where you can find solutions.
4. If the power indicator does not turn on when the power cord is plugged in, you may have a problem with
power cord. Check for loose power connections, power losses or surges at the power outlet. If you still cannot
resolve the problem, contact your local dealer for assistance.
5. If the LED indicators are normal and the connected cables are correct but packets still cannot be transmitted,
check the configuration or status of the system’s Ethernet devices.