
Chapter 4: Troubleshooting
Table 4-1  LANVIEW LEDs
| LED | Color | State | Recommended Action | 
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| PWR | Green | Functional. | No action. | 
| 
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 | 
 | 
 | 
| 
 | Red | Contact Cabletron Systems | |
| 
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 | regulation. | Technical Support. | 
| 
 | 
 | 
 | 
 | 
| CPU | Off | Power off. | Power up device. | 
| 
 | 
 | 
 | 
 | 
| 
 | Red | Flashing. Hardware | Contact Cabletron Systems | 
| 
 | 
 | failure has occurred. | Technical Support. | 
| 
 | 
 | 
 | 
 | 
| 
 | 
 | Solid. Reset, normal | No action. | 
| 
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 | power up reset. | 
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| 
 | 
 | 
 | 
 | 
| 
 | Yellow | Crippled. Limited | Contact Cabletron Systems | 
| 
 | 
 | functionality. | Technical Support. | 
| 
 | 
 | 
 | 
 | 
| 
 | Green | Functional. | No action. | 
| 
 | 
 | 
 | 
 | 
| 
 | Yellow | Booting. Blinks yellow | No action. | 
| 
 | and | and green while | 
 | 
| 
 | Green | booting. | 
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| 
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 | 
 | 
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| TX | Off | Port enabled, and no | Should flash green every 2 | 
| 
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 | activity. | seconds indicating BPDUs | 
| 
 | 
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 | being sent if STA is enabled | 
| 
 | 
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 | and there is a valid link. | 
| 
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 | 
 | 
 | 
| 
 | Green | Flashing. Indicates | No action. | 
| 
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 | activity. Rate indicates | 
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| 
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 | data rate. | 
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| 
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 | 
 | 
 | 
| 
 | Yellow | Blinking. Port in | Port may be disabled due to | 
| 
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 | standby. | Spanning Tree. | 
| 
 | 
 | 
 | 
 | 
| 
 | Red | Flashing. Indicates | No action. | 
| 
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 | collision rate. | 
 | 
| 
 | 
 | 
 | 
 | 
| 
 | 
 | Solid indicates | Contact Cabletron Systems | 
| 
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 | numerous collisions | Technical Support for | 
| 
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 | and indicates a | assistance. | 
| 
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 | problem. | 
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| 
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 | 
 | 
 | 
| RX | Off | Port in standby if | No error. | 
| 
 | 
 | yellow TX LED is | 
 | 
| 
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 | blinking, or no Link. | 
 | 
| 
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 | 
 | 
 | 
| 
 | Green | Solid. Port enabled, | No error. | 
| 
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 | link, no activity. | 
 | 
| 
 | 
 | 
 | 
 | 
| 
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 | Blinking. Port | No error. | 
| 
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 | disabled, link. | 
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| 
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 | 
 | 
 | 
| 
 | Yellow | Flashing. Indicates | No error. | 
| 
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 | receive activity. | 
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