Troubleshooting - Panasonic Switch-M12PWR Operation Manual

Troubleshooting

If you find any problem, please take the following steps to check.
 LED indicators
 The power LED (PWR) is not lit.
 Check if the power cord is disconnected.
 Please confirm that the power cord is securely connected to the
power port.
 The link/send & receive LED (LINK/ACT.) is not lit.
 Is the cable correctly connected to the target port?
 Is each terminal connected to the target port compliant with its
specifications?
 Auto-negotiation may have failed.
 Set the port of this Switching Hub or the terminal to half-duplex
mode.
◆ Communications fail.
 Communications with all ports are impossible or slow.
 Are the communication speed and mode settings correct?
 If the communication mode signal cannot be properly obtained, apply
half-duplex mode.
Switch the communication mode of the connection target to
half-duplex mode.
Do not fix the communication mode of the connected terminal to
full-duplex mode.
 Is the bandwidth usage rate of the backbone network to which this
Switching Hub is connected excessively high?
 Try separating this Switching Hub from the backbone network.
◆ PoE power supply is impossible.
 The PoE power supply LED (PoE) is not lit.
 Is the cable appropriate to use and connected to a port that supports
PoE power supply?
 Is the PoE-ready terminal connected to the port compliant with the
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