Troubleshooting
If you find any problem, please take the following steps to check.
LED
The POWER 1 LED, or POWER 2 LED is not lit.
Is the power plug connected?
Check that the power plug is firmly connected, so the connection is not loose at
Is the Ethernet Switch
If the AC power supply is normal, there might be an internal power fault.
Remove the power cord which is connected to the corresponding power port,
and request repairs.
used in a place where operating temperature is between 0
and 50
°C
?
The SD CARD LED is not lit.
Is the SD card installed?
Check that the SD card
the power port.
Use the
Ethernet Switch
within the range of operating temperature.
is firmly inserted.
Communication Failure
Is the UTP/fiber cable connected to the correct port?
Are the SFP modules complied with the same standard each other?
Is the fiber cable correct the fiber mode (single or multi)?
Attempt to disable “EEE conforming to IEEE802.3az (LPI)” function at target port.
Are the communication speed and mode settings correct?
If the communication mode signal cannot be properly obtained, the
Ethernet Switch
operates in half-duplex mode. Check the auto negotiation setting again.
Do not fix the speed/duplex mode of the connected terminal to full-duplex mode.
Is the usage rate of the network to which this
Ethernet Switch
is connected excessively
high?
Try separating this
Ethernet Switch
from the network.
Stacking Failure
Is the stacking function enabled?
Is the SFP+ direct attached cable connected to stacking port (port 15 or 16) correctly?
Is the STACK ID LED displayed the correct ID?
Is the 10GBASE-T port linked up?
The communications cables might not be appropriately laid.
Refer to “3.1 Using 10GBASE-T”, and make improvements in the environment.
Are all of the firmware versions for the devices that are connected to the stacks
identical?
15
* Please refer to the instruction manual on the ZEQUO assist Plus
on Panasonic’s website in regard to settings and management
methods.
