Chapter 3 Hardware Overview
3.4 LEDs
The following table describes the LEDs.
Table 3 | LEDs |
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LED |
| COLO | STATUS | DESCRIPTION |
| R | |||
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| |
Displays |
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| The LED is showing the Stack ID number of the Switch. |
Stack ID |
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number |
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PWR1 |
| Green | On | The system is receiving power from the power module in |
(Power 1) |
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| the first power slot. | |
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| Off | The system is not receiving power from the power |
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| module in the first power slot. |
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| Amber | On | The power module in the first power slot fails to supply |
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| power or its fan is not functioning at a proper speed. |
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PWR2 |
| Green | On | The system is receiving power from the power module in |
(Power 2) |
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| the second power slot. | |
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| Off | The system is not receiving power from the power |
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| module in the second power slot. |
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| Amber | On | The power module in the second power slot fails to |
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| supply power or its fan is not functioning at a proper |
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| speed. |
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SYS |
| Green | Blinking | The system is rebooting and performing |
(System) |
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| tests. |
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| On | The system is on and functioning properly. |
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| Off | The power is off or the system is not ready or |
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| malfunctioning. |
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ALM |
| Red | On | There is a hardware failure, such as high device |
(Alarm) |
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| temperature, wrong voltage and abnormal fan speed. |
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| Off | The system is functioning normally. |
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MGMT |
| Green | Blinking | The system is transmitting or receiving to/from an |
(Manage |
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| Ethernet device at 10 Mbps through the MGMT port. |
ment) |
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| On | The MGMT port is connected at 10 Mbps. | |
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| Off | The MGMT port is not connected at 10 Mbps or to an |
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| Ethernet device. |
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| Amber | Blinking | The system is transmitting or receiving to/from an |
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| Ethernet device at 100 Mbps through the MGMT port. |
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| On | The MGMT port is connected at 100 Mbps. |
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| Off | The MGMT port is not connected at 100 Mbps or to an |
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| Ethernet device. |
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52 |
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