Protection requirements

OptiX OSN3500 SSN1SLQ4 single board appearance
The SLQ4A board realizes the reception and transmission of STM-4 optical signals, completes the optoelectronic conversion of STM-4 signals, the extraction and insertion processing of overhead bytes, and reports the alarms generated on the line.
The specific functions and features of the SLQ4A board are shown in Table 1.
| Functions and features | Description |
|---|---|
| Basic Functions | Receive and transmit 4-channel STM-4 optical signals. |
| Optical Interface Specifications | Supports I-4, S-4.1, L-4.1, L-4.2, and Ve-4.2 optical interfaces, of which the characteristics of I-4, S-4.1, L-4.1, and L-4.2 optical interfaces are in accordance with ITU-T G.957 recommendations, and the optical interface of Ve-4.2 is Huawei's customized standard. |
| Optical Module Specifications |
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| Business Processing | Supports VC-12/VC-3/VC-4 services and VC-4-4c cascade services. |
| Overhead processing |
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| Alarm and Performance | Provides rich alarm and performance events for easy device management and maintenance. |
| Protection Mode |
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| Maintenance Features |
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