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OSN2500 Linear Multiplexed Segment Protection
Table 1 Linear Multiplexed Segment Protection Parameters
| Protection type | Recovery type | Rewind protocol | Rewind time | Default wait time for recovery | Rewind conditions (meet one condition to revert) |
|---|---|---|---|---|---|
| 1+1 Single-Ended Rewind | Non-recovery | Not required | ≤50ms | -R_LOS |
|
| 1+1 single-ended reversal | Recoverable | Not required | ≤50ms | 600s | |
| 1+1 double-ended inversion | Non-recoverable | APS Protocol | ≤50ms | ≤50ms | |
| 1+1 double-ended inversion | Recoverable | APS protocol | ≤50ms | 600s | |
| 1:N double-ended inversion (N≤14) | Recoverable | APS protocol | ≤50ms | 600s |
Table 2 Multiplexed segment protection ring parameters
| Protection type | Recovery type | Inversion mode | Rewind time | Default waiting time for recovery | Rewind condition (meet one condition to rewind) |
|---|---|---|---|---|---|
| Two-fiber bi-directional protection | Recoverable |
Forced reversal Manual reversal Practice reversal |
≤50ms | 600s |
|
| Two-fiber unidirectional protection | Recoverable |
Forced reversal Manual Reversal Practice reversal |
≤50ms | 600s | |
| Four-fiber bidirectional protection | Recoverable |
Forced ring reversal Manual ring reversal Practice Ring Reversal Forced Segment Reversal Manual Zone Reversal Practice zone reversal |
≤50ms | 600s |
Table 3 SNCP parameters
The protection performance of the device meets the requirements of the ITU-T G.841 standard.
The parameters of SNCP protection are shown in Table 3.
| Protection Type | Recovery Type | Reversion time | Default waiting time for recovery | Rewind condition (meet one condition to revert) |
|---|---|---|---|---|
| SNCP | Recoverable | ≤50ms | 600s |
The inversion conditions for VC4 level SNCP are as follows:
The inversion conditions for VC3 level SNCP are as follows:
The inversion conditions for VC12 level SNCP are as follows:
|
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