Troubleshooting - Panasonic GA-AS12TPoE+ Series Installation Manual

Troubleshooting

If you find any problem, please take the following steps to check.
 LED
The POWER (Power) LED is not lit.
 Check if the power cord is disconnected. Please confirm that the power cord is
securely connected to the power port.
 Is the Switching Hub being used at a temperature between 0 and 50°C?
Use the Switching Hub in its operating temperature range.
The Port LED is not lit.
 Is the cable correctly connected to the target port?
 Is the cable appropriate to use?
 Are the terminals which are connected to the appropriate ports, 10BASE-T,
100BASE-TX or 1000BASE-T compatible?
 Auto-negotiation may be failing.
Set this device's port setting or the terminal's setting to half-duplex.
 Communications are slow.
 Are the communication speed and mode settings correct?
If the proper communication mode signal cannot be obtained, apply
half-duplex mode.
Please reconfirm Auto-negotiation setting.
 Is not the utilization ratio of the network to which this Switching Hub is
connected too high?
Try separating this Switching Hub from the network.
 Communications fail.
 Is the link-up correct?
Depending upon the devices connected, linking may not occur if the Power
Saving Mode setting and/or the EEE (IEEE802.3az, Energy Efficient Ethernet
functions) setting is "Enabled" . Change the settings as per the following.
1. Change the Power Saving Mode setting to "Half" or "Disabled".
2. Change the EEE (IEEE802.3az) setting to "Disabled".
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