Chapter 1 Product Overview
Hardware Features
Table | WLAN LED Descriptions |
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WLAN LED |
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Boot loader status | Blinking Green | Board initialization in progress. | |
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| Initializing FLASH file system. | |
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| Initializing Ethernet. |
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| Ethernet is OK. |
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| Starting Cisco IOS. |
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| Initialization is successful. |
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Association status | Green | Normal operating condition with no | |
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| wireless client associated. |
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| Blue | Normal operating condition with at least |
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| one wireless client associated. |
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Operating status | Blinking Blue | Software upgrade in progress. | |
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| Rapidly cycling through | Access point location command invoked. |
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| Blue, Green, Red, and |
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| White |
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| Blinking Red | Ethernet link is not operational. |
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Boot loader errors | Blinking Red and Blue | FLASH file system failure. | |
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| Blinking Red and Off | Environment variable failure. |
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| Bad MAC address. |
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| Ethernet failure during the image recovery. |
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| Boot environment failure. |
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| No Cisco image file. |
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| Boot failure. |
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Cisco IOS errors | Red | Software failure. Try to disconnect and | |
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| reconnect the unit power. |
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| Cisco 819 Integrated Services Router Hardware Installation Guide |
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