The Protection Configuration Screen - Main, illustrated in Figure 18, displays the current settings for Protection Mode, BER Threshold and BER Interval. The BER Threshold allows the user to select a bit error rate that, when exceeded, will cause a switchover to an auxiliary circuit. The BER Interval defines the interval over which errors will be accumulated for comparison with the BER Threshold.
The option settings for BER Threshold and BER Interval are detailed in Table 4.
The Protection Configuration Screen – Auxiliary, illustrated in Figure 19, displays the current settings for Protection Mode, Minimum
| Shelf: | 1 | Slot: | 5 |
| Total Access System | 04/07/01 09:19 | |
| Unacknowledged Alarms: | MAJOR MINOR |
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| Protection Configuration |
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| 1. | Protection Mode | Disabled | |
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| 2. | BER Threshold |
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| 3. | BER Interval | 15 | Min(s) |
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| Figure 18. Protection Configuration Screen – Main | |||||
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| Shelf: | 1 | Slot: | 6 |
| Total Access System | 04/07/01 09:20 | |
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| MAJOR MINOR |
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| Protection Configuration |
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| 1. | Protection Mode | Manual Disable | ||
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| 2. | Minimum | 01 | minutes | |
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| 3. | BER Threshold |
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| 4. | BER Interval | 15 | minutes | |
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| 5. | 12 | hours | ||
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| 6. | 03 | |||
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| 7. | 20 | minutes |
Current System Status |
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[ Prot Disabled ] | Switchovers: | 00 | Reversions: | 00 |
| Failures: | 00 | Lockouts: | 00 |
Current
Selection:
‘?’ - System Help Screen
Figure 19. Protection Configuration Screen – Auxiliary
14 | Section |