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LEDs on AT-8600 Series Switches
The following tables outline how the switch and expansion modules report faults and operational activities. Expansion modules are optional and can be purchased separately. Contact an authorised Allied Telesis distributer or reseller, or visit www.alliedtelesis.com for more information on purchasing expansion modules.
System LEDs
LED | State | Description |
FAULT | Off | Switch operation is normal. |
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| Red | The switch or management software is |
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| malfunctioning. |
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| 1 flash | A switch fan has failed. |
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| 3 flashes | The main PSU has failed and the RPS is now |
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| providing power. |
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| 4 flashes | The RPS Monitor is set to ON, and the RPS |
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| is not functioning, either because it has failed |
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| or has been switched off. |
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| 5 flashes | The RPS Monitor is set to ON, but the RPS |
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| is not connected. |
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| 7 flashes | For the |
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| switches: An expansion module has been |
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| inserted or removed while the switch is |
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| powered on. |
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| |
MASTER | This LED is not supported and will never be lit. | |
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RPS | Green | An optional redundant power supply is |
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| connected to the switch. |
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| OFF | There is no optional redundant power |
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| supply connected to the switch. |
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PWR | Green | The switch is receiving power and the |
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| voltage is within the acceptable range. |
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| Off | The switch is not receiving power. |
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Note Use the Mode Select button to toggle the Mode LEDs to the desired state. Toggling the Mode Selection button does not affect the normal operations of the switch.