Table 1 Functions and features of the OSN3500 SSN1SLD4A single board

Functions and features

Description

Basic Functions

Receive and transmit 2-channel STM-4 optical signals, and process two-channel STM-4 standard services or cascade services.

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

Supports optical module information detection and query. The optical interface provides laser on and off settings and laser automatic shutdown.

Support the use and monitoring of SFP pluggable optical modules.

Service Processing

Supports VC-12/VC-3/VC-4 services and VC-4-4c cascade services.

Overhead processing

Supports processing of segment overhead for STM-4 signals.

Supports processing of channel overhead (transparent transmission and termination).

Supports setting and querying of J0/J1/C2 bytes.

Supports 1 to 2-way ECC communication.

Alarm and Performance

Provides rich alarm and performance events for easy device management and maintenance.

Protection Mode

Supports two-fiber and four-fiber ring multiplexing segment protection, linear multiplexing segment protection, SNCP (Sub-Network Connection Protection) protection, SNCTP (Sub-Network Connection Tunnel Protection) and SNCMP (Sub-Network Connection Multi-protection) protection. Connection Multi-protection) protection.

Supports MSP and SNCP shared optical path protection.

Maintenance Features

Supports inner loopback and outer loopback functions at the optical port level.

Supports soft reset and hard reset, soft reset does not affect the service.

Support query function of single board manufacturing information.

Support online loading function of FPGA.

Support smooth upgrading of veneer software.