KBC Networks ESML8P-PC2 - Manual (Page 86)

Manual-ESML8P-PC2_Series-Rev1211
Copyright © KBC Networks Ltd.
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6 Troubleshooting
• Verify you are using the right power cord/adapter. Don’t use the power adapter with DC
output higher than the power rating of the switch. Otherwise, it may damage the switch.
• Select 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 that depend on the
connector type the switch equipped: 100Ω Category 3, 4 or 5 cable for 10Mbps
connections, 100Ω Category 5 cable for 100Mbps connections, or 100Ω Category
5e/above cable for 1000Mbps connections. Also be sure that the length of any twisted-pair
connection does not exceed 100 meters (328 feet).
• Diagnosing LED Indicators: To assist in identifying problems, the switch can be easily
monitored through panel indicators, which describe common problems the user may
encounter and where the user can find possible solutions.
• If the power indicator does not light on when the power cord is plugged in, you may have
a problem with power cord. Then check for loose power connections, power losses or
surges at power outlet. If you still cannot resolve the problem, contact the local dealer for
assistance.
• With Ethernet cables connected correctly and LED indicators displaying normally,
networking is supposed to function well. If networking still fails without any LED and
Ethernet cable problems, users are encouraged to check configurations for Ethernet
devices of the network system.