Resources
1. Port icons in the “Device Details” view
You can check the status of each port by checking the icon color and shape of each device port shown in the “Device Details” view.
In the “Device Details” view, switch between the [Port Status] tab, the [Bandwidth(%)] tab and the [PoE status (Class)] tabs to show the following icons.
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1.1. [Port Status] tab icons

This area shows the connection status and communication speed of each port.
| Icon | Meaning |
|---|---|
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Port normal (10GBASE-T) |
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Port normal (5GBASE-T) |
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Port normal (2.5GBASE-T) |
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Port normal (1000BASE-T) |
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Port normal (100BASE-TX) |
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Port normal (10BASE-T) |
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Port abnormality occurred |
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Link down |
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SFP port normal (25GBASE-LX/SX) |
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SFP port normal (10GBASE-LX/SX) |
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SFP port normal (1000BASE-LX/SX) |
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SFP port abnormality occurred |
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SFP port alert state |
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QSFP28 port normal (100GBASE-LX/SX) |
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QSFP28 port stack link established |
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QSFP28 port abnormality occurred |
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QSFP28 port alert state |
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Enable/disable status of 2.4 GHz / 5 GHz / 6 GHz wireless |
1.2. [Bandwidth(%)] tab icons

This area shows the bandwidth usage of each port (Yamaha switches only).
| Icon | Meaning |
|---|---|
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Bandwidth from 95% to 100% |
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Bandwidth from 85% to less than 95% |
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Bandwidth from 75% to less than 85% |
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Bandwidth from 65% to less than 75% |
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Bandwidth from 55% to less than 65% |
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Bandwidth from 45% to less than 55% |
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Bandwidth from 35% to less than 45% |
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Bandwidth from 25% to less than 35% |
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Bandwidth from 15% to less than 25% |
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Bandwidth from 7.5% to less than 15% |
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Bandwidth from 0% to less than 7.5% |
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Abnormality occurred |
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Link down |
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As this is a stack port, bandwidth usage cannot be displayed |
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Alert state |
1.3. [PoE status (Class)] tab icons

This area shows the power supply status for each port (PoE-enabled Yamaha switches only).
| Icon | Meaning |
|---|---|
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Class 0 power supply in progress |
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Class 1 power supply in progress |
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Class 2 power supply in progress |
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Class 3 power supply in progress |
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Class 4 power supply in progress |
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Class 5 power supply in progress |
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Class 6 power supply in progress |
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Class 7 power supply in progress |
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Class 8 power supply in progress |
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Power not supplied |
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Power supply interrupted because the power supply function has been disabled, or the set power consumption limit has been exceeded |
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The power supply has been interrupted or a fatal error has occurred with power supply control due to excess current |
2. Messages shown in both the Notification area and the History area
Messages shown in both the “Notification” area and the “History” area are as follows.
2.1. Switch function error messages
The following messages appear when an error occurs with the switch function. mac indicates the MAC address of the device that is the subject of the message, label indicates the label identifying the device (does not appear when left blank), m indicates the stack ID, n indicates the port number, t indicates the temperature, x indicates the QoS transmit queue number, fn indicates the fan number, and S.N indicates the slot number of the power supply unit. “(Stack ID: m)” is not displayed for switch devices that do not have the stack function enabled.
| Messages |
|---|
[mac] label: The fan of the Yamaha switch is stopped. |
[mac] label: A loop has occurred at port (n1, n2…) of the Yamaha switch. |
[mac] label: Power has stopped being supplied at port (n) of the Yamaha switch. |
[mac] label: Power has started being supplied to a Class0 device at port (n) of the Yamaha switch. |
[mac] label: Power has started being supplied to a Class1 device at port (n) of the Yamaha switch. |
[mac] label: Power has started being supplied to a Class2 device at port (n) of the Yamaha switch. |
[mac] label: Power has started being supplied to a Class3 device at port (n) of the Yamaha switch. |
[mac] label: Power has started being supplied to a Class4 device at port (n) of the Yamaha switch. |
[mac] label: Power has started being supplied to a Class5 device at port (n) of the Yamaha switch. |
[mac] label: Power has started being supplied to a Class6 device at port (n) of the Yamaha switch. |
[mac] label: Power has started being supplied to a Class7 device at port (n) of the Yamaha switch. |
[mac] label: Power has started being supplied to a Class8 device at port (n) of the Yamaha switch. |
[mac] label: Port (n) of the Yamaha switch stopped supplying power because a class of device which exceeded the power supply class setting was detected. |
[mac] label: Because of Class4 (30 W) power supply at port (n) of the Yamaha switch, power is no longer being supplied at the port that had been supplying Class3 (15.4 W) power. |
[mac] label: Because overcurrent occurred at port (n) of the Yamaha switch, power is no longer being supplied. |
[mac] label: Because the power supply exceeded the maximum possible power at port (n) of the Yamaha switch, power is no longer being supplied. |
[mac] label: Because the temperature abnormality occurred at port (n) of the Yamaha switch, power is no longer being supplied. |
[mac] label: Because the fan stopped at port (n) of the Yamaha switch, power is no longer being supplied. |
[mac] label: Power is no longer being supplied because the power supply has malfunctioned at port (n) of the Yamaha switch. |
[mac] label: The Yamaha switch has stopped supplying power. |
[mac] label: An error occurred in the power supply of the Yamaha switch. |
[mac] label: The power being supplied from the Yamaha switch has exceeded the maximum power supply capacity. |
[mac] label: Connected via the backup route. (Main route: port (n)) |
[mac] label: Connected via the main route. |
[mac] label: The loop at the Yamaha switch was resolved. |
[mac] label: The power supply interruption of the Yamaha switch was resolved. |
[mac] label: The power supply abnormality of the Yamaha switch was resolved. |
[mac] label: The power supply overload of the Yamaha switch was resolved. |
[mac] label: The fan malfunction of the Yamaha switch was resolved. |
[mac] label: On Yamaha switch port (n), the SFP optical Rx level has fallen below the threshold. |
[mac] label: On Yamaha switch port (n), the SFP optical Rx level has exceeded the threshold. |
[mac] label: On Yamaha switch port (n), the SFP optical Rx level has returned to normal. |
[mac] label: On Yamaha switch port (n), the transmission load has returned to normal. (QoS transmission queue: x) |
[mac] label: On Yamaha switch port (n), the transmission load is high. (QoS transmission queue: x) |
[mac] label: On Yamaha switch port (n), the transmission load has returned to normal. (QoS transmission queue: x) |
[mac] label: The power voltage of the Yamaha switch (Stack ID: m) has exceeded the upper threshold. |
[mac] label: A line surge has occurred in the power supply of the Yamaha switch(Stack ID: m). |
[mac] label: The fan speed of the Yamaha switch (Stack ID: m) has increased. |
[mac] label: The fan speed of the Yamaha switch (Stack ID: m) has decreased. |
[mac] label: Fan (FANfn) of the Yamaha switch (Stack ID: m) has stopped. |
[mac] label: Fan (FANfn) of the Yamaha switch (Stack ID: m) has recovered. |
[mac] label: The CPU temperature of the Yamaha switch (Stack ID: m) has exceeded the threshold. |
[mac] label: The CPU temperature of the Yamaha switch (Stack ID: m) has returned to normal. |
[mac] label: A CPU temperature error has occurred on the Yamaha switch (Stack ID: m). |
[mac] label: The PHY temperature of the Yamaha switch (Stack ID: m) has exceeded the threshold. |
[mac] label: The PHY temperature of the Yamaha switch (Stack ID: m) has returned to normal. |
[mac] label: A PHY temperature error has occurred on the Yamaha switch (Stack ID: m). |
[mac] label: The SFP module temperature of the Yamaha switch (Stack ID: m) has exceeded the threshold. |
[mac] label: The SFP module temperature of the Yamaha switch (Stack ID: m) has returned to normal. |
[mac] label: A SFP module temperature error has occurred on the Yamaha switch (Stack ID: m). |
[mac] label: The unit temperature of the Yamaha switch (Stack ID: m) has exceeded the threshold. |
[mac] label: The unit temperature of the Yamaha switch (Stack ID: m) has returned to normal. |
[mac] label: A unit temperature error has occurred on the Yamaha switch (Stack ID: m). |
[mac] label: The PSE temperature of the Yamaha switch (Stack ID: m) has exceeded the threshold. |
[mac] label: The PSE temperature of the Yamaha switch (Stack ID: m) has returned to normal. |
[mac] label: A PSE temperature error has occurred on the Yamaha switch (Stack ID: m). |
[mac] label: The power supply was forced to stop on the Yamaha switch (Stack ID: m) because the power delivery capacity was exceeded. |
[mac] label: The power supply has been forced to stop on the Yamaha switch (Stack ID: m) because Thermal abnormality. |
[mac] label: The power supply has been forced to stop on the Yamaha switch (Stack ID: m) because Fan stopped. |
[mac] label: The PoE power supply has recovered from forced stoppage of the Yamaha switch (Stack ID: m). |
[mac] label: The power supply has been forced to stop on the Yamaha switch (Stack ID: m) because Power supply abnormality. |
[mac] label: The MAC temperature of the Yamaha switch (Stack ID: m) has exceeded the threshold. |
[mac] label: The MAC temperature of the Yamaha switch (Stack ID: m) has returned to normal. |
[mac] label: A MAC temperature error has occurred on the Yamaha switch (Stack ID: m). |
[mac] label: An error occurred on the Temperature sensor of Yamaha Switch (Stack ID: m). |
[mac] label: The stack port (n) of the Yamaha switch changed state to down. |
[mac] label: The stack port (n) of the Yamaha switch changed state to up. |
[mac] label: The DDR temperature of the Yamaha switch(Stack ID: m) has exceeded the threshold. |
[mac] label: The DDR temperature of the Yamaha switch(Stack ID: m) has returned to normal. |
[mac] label: A DDR temperature error has occurred on the Yamaha switch(Stack ID: m). |
[mac] label: The temperature error on the DDR of Yamaha Switch (Stack ID: m) has been resolved. |
[mac] label: Current and voltage of the input side warning has occurred on the power supply unit (slot: S.N) of the Yamaha switch. |
[mac] label: Current and voltage of the input side on the power supply unit (slot: S.N) of the Yamaha switch has returned to normal. |
[mac] label: Current and voltage of the input side error has occurred on the power supply unit (slot: S.N) of the Yamaha switch. |
[mac] label: Current and voltage of the input side error on the power supply unit (slot: S.N) of the Yamaha switch has been resolved. |
[mac] label: Current and voltage of the output side warning has occurred on the power supply unit (slot: S.N) of the Yamaha switch. |
[mac] label: Current and voltage of the output side on the power supply unit (slot: S.N) of the Yamaha switch has returned to normal. |
[mac] label: Current and voltage of the output side error has occurred on the power supply unit (slot: S.N) of the Yamaha switch. |
[mac] label: Current and voltage of the output side error on the power supply unit (slot: S.N) of the Yamaha switch has been resolved. |
[mac] label: Temperature warning has occurred on the power supply unit (slot: S.N) of the Yamaha switch. |
[mac] label: Temperature on the power supply unit (slot: S.N) of the Yamaha switch has returned to normal. |
[mac] label: Temperature error has occurred on the power supply unit (slot: S.N) of the Yamaha switch. |
[mac] label: Temperature error on the power supply unit (slot: S.N) of the Yamaha switch has been resolved. |
[mac] label: Fan warning has occurred on the power supply unit (slot: S.N) of the Yamaha switch. |
[mac] label: Fan on the power supply unit (slot: S.N) of the Yamaha switch has returned to normal. |
[mac] label: Fan error has occurred on the power supply unit (slot: S.N) of the Yamaha switch. |
[mac] label: Temperature error on the power supply unit (slot: S.N) of the Yamaha switch has been resolved. |
[mac] label: Power supply unit has been removed from the slot: S.N of the Yamaha switch. |
[mac] label: Power supply unit has been inserted into the slot: S.N of the Yamaha switch. |
[mac] label: Power supply cable has been removed from the power supply unit (slot: S.N) of the Yamaha switch. |
[mac] label: Power supply cable has been inserted into the power supply unit (slot: S.N) of the Yamaha switch. |
[mac] label: The PHY1 temperature of the Yamaha switch(Stack ID: m) has exceeded the threshold. |
[mac] label: The PHY1 temperature of the Yamaha switch(Stack ID: m) has returned to normal. |
[mac] label: A PHY1 temperature error has occurred on the Yamaha switch(Stack ID: m). |
[mac] label: The temperature error on the PHY1 of Yamaha Switch (Stack ID: m) has been resolved. |
[mac] label: The PHY2 temperature of the Yamaha switch(Stack ID: m) has exceeded the threshold. |
[mac] label: The PHY2 temperature of the Yamaha switch(Stack ID: m) has returned to normal. |
[mac] label: A PHY2 temperature error has occurred on the Yamaha switch(Stack ID: m). |
[mac] label: The temperature error on the PHY2 of Yamaha Switch (Stack ID: m) has been resolved. |
[mac] label: The PHY3 temperature of the Yamaha switch(Stack ID: m) has exceeded the threshold. |
[mac] label: The PHY3 temperature of the Yamaha switch(Stack ID: m) has returned to normal. |
[mac] label: A PHY3 temperature error has occurred on the Yamaha switch(Stack ID: m). |
[mac] label: The temperature error on the PHY3 of Yamaha Switch (Stack ID: m) has been resolved. |
[mac] label: The SFP28 module temperature of the Yamaha switch(Stack ID: m) has returned to normal. |
[mac] label: The SFP28 module temperature of the Yamaha switch(Stack ID: m) has returned to normal. |
[mac] label: A SFP28 module temperature error has occurred on the Yamaha switch(Stack ID: m). |
[mac] label: The temperature error on the SFP28 module of Yamaha Switch (Stack ID: m) has been resolved. |
[mac] label: The QSFP28 module temperature of the Yamaha switch(Stack ID: m) has returned to normal. |
[mac] label: The QSFP28 module temperature of the Yamaha switch(Stack ID: m) has returned to normal. |
[mac] label: A QSFP28 module temperature error has occurred on the Yamaha switch(Stack ID: m). |
[mac] label: The temperature error on the QSFP28 module of Yamaha Switch (Stack ID: m) has been resolved. |
2.2. Dante-related notifications
The following messages appear if there is a change in a Dante-enabled device.
| Messages |
|---|
The word clock of <device name> has been unlocked. |
The word clock of <device name> has been locked. |
The link is down for the primary port of <device name>. Dante is only working for the secondary port. |
The link is down for the secondary port of <device name>. Dante is only working for the primary port. |
The link is up for the primary port of <device name>. |
The link is up for the secondary port of <device name>. |
The Dante module of <device name> is operating in safe mode. |
2.3. Messages generated by the snapshot function
The following messages appear when the snapshot function detects a network error, or when snapshot creation is started. mac indicates the MAC address of the device that is the subject of the message, label indicates the label identifying the device (does not appear when left blank), n indicates the port number. Messages are not shown for devices that are not the subject of monitoring by the snapshot function.
| Messages |
|---|
[mac] label: Device status matches the snapshot. |
[mac] label: An unregistered device [mac] label is connected. |
[mac] label: [mac] label is not connected to port n. |
[mac] label: There is a device with an incorrect connection port. Connect [mac] label to port n. |
Create a snapshot. |
Started creating a snapshot. |
Finished creating a snapshot. |
Snapshot creation canceled. |
Failed to create a snapshot. |
[mac] label: There is a port with an incorrect device connected. Connect [mac] label to port n. |
2.4. Messages generated by the PoE function
The following messages appear when the PoE function detects abnormality in a power supply. mac indicates the MAC address of the device that is the subject of the message, label indicates the label identifying the device (does not appear when left blank), q indicates a number that represents the power, n indicates the port number, portIp indicates the IP address of the device connected to the port, and portMac indicates the MAC address of the device connected to the port. Messages are not shown for devices that do not support power supply.
| Messages |
|---|
[mac] label: The power being supplied from the Yamaha switch has exceeded the guard band range. |
[mac] label: The power that might be supplied exceeds q W. The power being supplied from Yamaha switch might be interrupted according to the condition. |
[mac] label: Yamaha switch has detected down of portIp (portMac). |
[mac] label: Yamaha switch has detected portIp (portMac). |
[mac] label: Yamaha switch has stopped supplying power to portIp (portMac). |
[mac] label: Yamaha switch has started supplying power to portIp (portMac). |
[mac] label: Sum of power might be supplied has exceeded the maximum power supply capacity. |
[mac] label: Port (n) of the Yamaha switch stopped supplying power because the maximum power has been exceeded. |
[mac] label: The power supply interruption on port (n) of the Yamaha switch was resolved. |
[mac] label: Sum of power might be supplied has fallen below the maximum power supply capacity. |
2.5. Other notifications
| Messages |
|---|
The snapshot file is invalid. Stopped loading snapshot file. |
An invalid value was included in the information of the snapshot file. Only the valid information has been applied. |
There are conflicting MAC addresses. The MAC address information that was listed first has been applied. |
The label settings file is invalid. Stopped loading label settings file. |
An invalid value was included in the information of the label settings file. Only the valid information has been applied. |
Conflicting MAC addresses exist in the label settings file. The MAC address information that was listed first has been applied. |
The History file is invalid. Discarded History file. |
The L2MS manager (mac) other than this PC has been detected. Only one L2MS manager can be used in the same network. |
Duplication with L2MS manager (mac) has been resolved. |
[mac] label: The L2MS manager (mac) other than this PC has been detected at port(n). Only one L2MS manager can be used in the same network. |
[mac] label: Duplication with L2MS manager (mac) detected at port (n) has been resolved. |
3. Messages shown in the Result of searching area for Device search
A device search using one or more IP addresses can return the following messages in the Result of searching area.
X.X.X.X indicates the IP address of a target device that was pinged or searched for.
| Message | Description |
|---|---|
X.X.X.X : Reply received. |
A ping reply was returned from the target device. |
X.X.X.X : Request timed out. |
A ping reply was not returned from the target device. |
X.X.X.X : Destination unreachable. |
The search target does not exist. |
X.X.X.X : An internal error occurred. |
An internal error has occurred. |
4. Execution result of firmware/CONFIG bulk operation
The following are the execution results displayed when executing bulk firmware update and bulk CONFIG import/export.
| Result | Descriptions |
|---|---|
Completed |
The firmware update and CONFIG import/export processes have been completed successfully. |
Only transfer completed (revision acquisition failed) |
The firmware file transfer was completed but the updated firmware revision could not be retrieved, so the firmware may not have been applied correctly. |
Only transfer completed (revision mismatch) |
The transfer of the firmware file is complete, but the revision of the transferred firmware file and the updated firmware revision are different. |
Only transfer completed (File revision unknown) |
The transfer of the firmware file was completed, but it was not confirmed that the firmware was applied correctly because the revision of the transferred firmware file was incorrect. |
Skip |
The firmware update was not performed because the revision of the firmware file you tried to transfer had already been applied. |
Aborted |
Firmware update or CONFIG import/export has been canceled by user operation. |
Failed (Timeout) |
A timeout occurred and the transfer of firmware or CONFIG failed. |
Failed (Application error) |
An application error has occurred and the transfer of firmware or CONFIG has failed. |
Failed (Busy) |
The transfer of firmware or CONFIG failed because other processes are running on the device. |
Failed (Invalid file) |
The transfer of firmware or CONFIG failed because the selected file was invalid. |
Failed (CONFIG doesn’t exist) |
The CONFIG did not exist on the device where you tried to export the CONFIG. |
Failed (Access permission error) |
CONFIG could not be accessed because the agent is running in DANTE mode or for some other reason. |
Failed (Unknown error) |
Transfer of firmware or CONFIG failed due to reasons other than the above. |
5. Shortcut keys
Shortcut keys used in Yamaha LAN Monitor are as follows.
| Result | Key operation |
|---|---|
Edit a cell in a list |
F2 |
Update the connection status of the currently selected agent |
F5 |








































