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OptiXOSN2500 When the N1EMS4 and N1EGS4 single boards support 1+1 BPS protection, the GE modules configured on the single boards can be either optical or electrical modules, and synchronize the setting and querying of the BPS modes on the network management. There are two BPS modes for these two single boards: master mode and slave mode. Only when the BPS mode is set to slave mode do these two single boards support GE electrical modules, at which time the inversion time of the single boards takes 1 s. On the network management, the BPS mode for the N1EMS4 and N1EGS4 single boards is defaulted to: master mode, that is, only GE optical modules are supported.
The OptiX OSN 2500 device supports 800 PPS/DLAG protection pairs.
The protection-related parameters are shown in Table 1.
| Parameter | BPS, PPS | DLAG | LAG |
|---|---|---|---|
| Working board and protection board slots | Protection board bandwidth greater than or equal to the working board | - | |
| Reversal conditions (one condition is met for reversal) |
|
|
Manual aggregation:
Static aggregation:
|
| Inversion time | ≤350ms |
Full duplex mode: ≤4s Self-negotiation mode: ≤500ms |
|
| Recovery Mode | Non-recoverable |
|
|
When the protection group is to be inverted for BPS or PPS or DLAG protection, the following conditions must be met:
- The equipment interfacing with the protection group must be in the same operating mode as the protection group.
- The transmitter and receiver must be directly connected by fiber optic or network cable, and no other equipment can be connected.
- The working mode cannot be changed, otherwise the protection group will work abnormally.
The device cannot detect whether the receiving end of the protection group has changed the working mode.
The technical information in this chapter and the related SDH equipment troubleshooting procedures are provided by Shenzhen Optical Transmission Network Technology Company Limited (www.opticaltrans.com), and are reprinted with permission. Huawei SDH optical transmission equipment, SDH transmission equipment sales phone: 13430988088 Welcome to call!
