232
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.
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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
Содержание M24PWR
Страница 5: ...5 malfunction When stacking Switching Hubs leave a minimum of 20 mm space between them is required ...
Страница 24: ...24 command If you enter a command or setting not available an error message is shown in the explanation field ...
Страница 26: ...26 ...
Страница 32: ...32 ...
Страница 45: ...45 ...
Страница 65: ...65 ...
Страница 74: ...74 Quit to previous menu Quits the Advanced Switch Configuration Menu and returns to the Main menu ...
Страница 77: ...77 setting and the management VLAN status of VLAN ID 1 is UP ...
Страница 92: ...92 Press S Q Return to the previous menu ...
Страница 94: ...94 ...
Страница 118: ...118 Q Return to the previous menu ...
Страница 121: ...121 ...
Страница 126: ...126 ICMP Type Displays the ICMP type ...
Страница 132: ...132 802 1p Priority Displays priority of IEEE802 1p TCP SYN Flag Displays the TCP SYN flag ICMP Type Displays ICMP type ...
Страница 152: ...152 Threshold Displays the threshold of the number of packets per second ...
Страница 169: ...169 Fig 4 7 49 Display of values accumulated after resetting the counters ...
Страница 181: ...181 Q Return to the previous menu ...
Страница 207: ...207 Q Return to the previous menu ...
Страница 228: ...228 RSTP MIB IEEE 802 1w IEEE8021 PAE MIB IEEE802 1X IEEE8023 LAG MIB IEEE 802 3ad ...
Страница 233: ...233 IEEE 802 3af standard ...