LED indicators
Figure 67: TN1654 DS1 Converter circuit pack LEDs
Figure notes: |
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1. | Alarm LED (Red) | 4. | STATUS LEDs |
2. | Test LED (Green) | 5. | SPAN LEDs |
3. | Busy LED (Yellow) |
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The yellow LED indicates the state of the fiber interface, the fiber channel, the control channel, and the communications link to the SPE in the following manner and order of priority. See
Table 23: DS1 Converter yellow LED flashing states.
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Table 23: DS1 Converter yellow LED flashing states
LED on | LED off | Condition |
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0.1 | 0.1 second | Fiber |
second |
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0.5 | 0.5 second | In frame, fiber channel down. The fiber channel communicating |
second |
| between the DS1 Converter and the other fiber endpoint (EI or |
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| SNI) is down. |
1 second | 1 second | In frame, control channel down. The control channel between the |
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| two DS1 Converters in the DS1 Converter complex is down. |
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2 seconds | 0.2 second | No response from the server. The server is not acknowledging |
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| messages from the DS1 Converter or the communications link to |
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| the server is down. |
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| 1 of 2 |
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