Allied Telesis AT-GS948MX

Questions and Answers

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angelakaufmanAug 13, 2025
What to do if Allied Telesis AT-GS948MX Switch AT-GS924MPX/AT-GS948MPX is not providing power to PoE device?
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  Garrett BaileyAug 13, 2025
  If your Allied Telesis AT-GS924MPX or AT-GS948MPX switch isn't providing power to a PoE device, ensure the device supports Alternative B of the IEEE 802.3at standard by checking its documentation. Also, verify that the device's power needs don't exceed 30W and that you're using the correct twisted-pair cable. Using the switch's management software, check if PoE is enabled on the port and that the PoE power setting hasn't been reduced below the device's requirements. As a last resort, try connecting the device to a different port on the switch.
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scottwilliamsAug 17, 2025
What to do if the LINK/ACT LED is off on Allied Telesis AT-GS948MX Switch?
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  Megan GallagherAug 17, 2025
  If the LINK/ACT LED is off even when a twisted pair port on your Allied Telesis switch is connected to a network device, first ensure the port is using the correct twisted pair cable. Verify the connected network device is powered on and working correctly. Try connecting another network device to the port using a different cable. Confirm that the twisted pair cable is under 100 meters (328 feet) and that you're using the appropriate category of twisted pair cable.
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Christopher CarrilloAug 25, 2025
How to fix Allied Telesis Switch ID LED being off?
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  stephenandersonAug 26, 2025
  If the Switch ID LED on the front of your Allied Telesis switch is off, verify that the power cord is securely connected to both the power source and the AC connector on the switch's back panel. Check if the power outlet is working by plugging in another device. Try connecting the switch to a different power source and using a different power cord. Also, confirm that the voltage from your power source matches the required levels for your region.
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tracygreeneAug 28, 2025
Why SHOW STACK command is not displaying all switches in Allied Telesis stack?
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  Christopher ScottAug 28, 2025
  If the SHOW STACK command isn't displaying all switches in your Allied Telesis stack, check that the stacking transceivers in the S1 and S2 slots are correctly cabled, ensuring the stacking cables cross over to different slots. Verify the transceivers are fully inserted into the S1 and S2 slots. Confirm that VCStack is activated on all switches. The issue might also be due to incompatible versions of the management software on the switches.
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Scott LeSep 1, 2025
What to do if all port LEDs are off on Allied Telesis AT-GS948MX Switch?
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  Trevor DickersonSep 1, 2025
  If all the port LEDs on your Allied Telesis switch are off, even when connected to active network devices, the switch might be in low power mode. To turn the LEDs on, press the eco-friendly button on the front panel. Alternatively, use the ECOFRIENDLY LED and NO ECOFRIENDLY LED commands in the command line interface to toggle the LEDs.
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Elizabeth HernandezSep 5, 2025
How to troubleshoot intermittent function of Allied Telesis Switch?
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  Charles FoxSep 5, 2025
  If your Allied Telesis switch is functioning intermittently, use the SHOW SYSTEM ENVIRONMENT command in Privileged Exec mode to check that the input voltage from the power source is stable and within the correct operating range. Also use the SHOW SYSTEM ENVIRONMENT command to verify that the fan is operating correctly. Ensure that the switch has adequate airflow in its location.
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jeffreymichaelSep 8, 2025
What does flashing 'F' on Allied Telesis AT-GS948MX ID LED mean?
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  markwillisSep 8, 2025
  If the Switch ID LED on the front of your Allied Telesis switch is flashing 'F', it indicates a cooling fan has failed, the input voltage on the power supply is outside the normal range, or the internal temperature of the switch has exceeded the normal range, potentially leading to shutdown.
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Jared MooreNov 20, 2025
How to fix LINK/ACT LED being off for SFP transceiver on Allied Telesis Switch?
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  jesse74Nov 20, 2025
  If the LINK/ACT LED for an SFP transceiver on your Allied Telesis switch is off, verify that the remote network device connected to the fiber optic port is operating properly. Ensure the fiber optic cable is securely connected to both the SFP module and the remote network device. Check that the transceiver is fully inserted and not in slots S1 or S2. Confirm that the operating specifications of the fiber optic ports on both devices are compatible and that you're using the correct type of fiber optic cabling. Also, verify the port is connected to the correct fiber optic cable. Try connecting another network device with a different cable. Use the switch’s management software to verify that the port is enabled, and if the remote device is managed, check its firmware to see if its port is enab...