XG2600 Hardware GuideChapter 1 Getting Started
LED Functions/Behaviors
LED Name | Light | Status |
POWER | Green | PSU is in normal operation. |
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| Orange | A problem has occurred with the PSU. |
SFP+ LINK/ACT | Green | SFP+ link is established. |
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| Green Blinking | SFP+ is in communication. |
| Off | SFP+ link is not established. |
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SFP+ | Green | This indicates light detection of the SFP+ slot. |
| Off | This indicates light undetected of the SFP+ slot. |
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READY | Green | Switch has started up correctly. |
| Green Blinking | Switch is being diagnosed or operating under backup firmware. (*) |
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| Off | A problem occurs. |
CHECK | Orange | A problem occurs which requires switch replacement. |
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| Orange Blinking | Firmware in the Flash memory of the switch is out of order. |
| Off | Switch is operating normally. |
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PSU1 | Green | PSU1 is in normal operation. |
| Green Blinking | PSU1 is not installed or PSU1 is installed incorrectly, causing configuration error. |
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| Off | A problem has occurred with PSU1, or the power is not on. |
PSU2 | Green | PSU2 is in normal operation. |
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| Green Blinking | PSU2 is not installed or PSU2 is installed incorrectly, causing configuration error. |
| Off | A problem has occurred with PSU2, or the power is not on. |
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FAN | Green | 2 Fan Units are in normal operation. |
| Green Blinking | Fan is not installed or Fan is installed incorrectly, causing configuration error. |
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| Off | 2 Fan Units are in normal operation. |
FLASH | Green | USB memory is installed. |
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| Green Blinking | External USB memory or internal flash memory are under read/write. |
| Off | USB memory is not installed, or internal flash memory are not under read/write |
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ERROR | Orange | There’s a problem with USB memory or SFP+ modules, or mount/access error. |
| Off | USB memory and SFP+ modules are in normal operation. |
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LINK/ACT | Green | A link is established for the management port. |
| Green Blinking | Management port is in communication. |
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| Off | A link is not established for the management port. |
FDX | Green | Transmission mode for the management port is duplex. |
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| Off | Transmission mode for the management port is |
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*) During the system diagnosis, READY LED is blinking in Green in every 0.5 second.
When the switch is operating under backup firmware, READY LED is blinking in Green in every 1 second.
See "2.2.1 Decide Switch Access Configuration" (pg.29) for detailed LED functions/behaviors under normal opera- 
Reference tion.
22 | Items in the Package / Names and Functions |