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Chapter 5 Troubleshooting
LED Summary
Table | Interface Module LEDs | ||
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LED | Color/State | Description | |
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Power | Off | Disabled/no power to IM | |
(PWR) |
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Green | Enabled and power rails on IM in range | ||
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Status | Off | ||
(STAT) |
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Red | Failure (on at reset) | ||
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| Amber | Booting (if local CPU) | |
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| Green | Operational | |
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Link status | Off | Inactive or no connection | |
(L) |
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Amber | Fault/loop condition | ||
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| Green | Ok with no activity | |
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| Flashing | OK with activity | |
| green |
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Speed (S) | Off | 100/10 Mbps/Slow | |
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| Green | 1Gbps/Full | |
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OC-3 Interface Module LEDs
Table
Table | Interface Module LEDs | ||
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| |
LED | Color/State | Description | |
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| |
Power | Off | Disabled/no power to IM | |
(PWR) |
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Green | Enabled and power rails on IM in range | ||
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Status | Off | ||
(STAT) |
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Red | Failure (on at reset) | ||
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| Amber | Booting (if local CPU) | |
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| Green | Operational | |
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Carrier/ | Green | SFP receiving good remote signal | |
Alarm (C/A) |
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Yellow | Remote or local alarm activated | ||
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Active/ | Green | SFP ready and operating normally | |
Loopback |
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Yellow | SFP port in loopback state | ||
(A/L) | |||
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| Cisco ASR 903 Router Hardware Installation Guide |
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