SSN1SLD4A(L-4.1,LC) Huawei High Quality 622M Interface Board
The SSN1SLD4A(L-4.1,LC) Huawei is a high-performance STM-4 optical interface board developed by Huawei for its SDH-based transmission systems. This board features one 622 Mbps port using an LC/UPC single-mode optical interface, supporting the L-4.1 long-haul transmission standard with a reach of up to 40 km without regeneration.
Built to deliver reliable transport over metropolitan and regional fiber networks, the SSN1SLD4A offers robust performance monitoring, loopback functions, and comprehensive alarm reporting. It is compatible with Huawei’s OSN1500, OSN2500, and OSN3500 platforms, making it ideal for telecom operators, ISPs, and enterprise backbone systems.
Key Features
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Model: SSN1SLD4A(L-4.1,LC)
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Port Configuration: 1 × STM-4 (622 Mbps)
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Interface Type: LC/UPC, Single-mode
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Transmission Standard: L-4.1 (Long-haul, up to 40 km)
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Application: SDH backbone, metro access, carrier networks
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Hot-Swappable: Yes
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Platform Compatibility: OSN1500 / OSN2500 / OSN3500
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Functions: Performance monitoring, loopback diagnostics, alarms
Technical Specifications
| Specification | Details |
|---|---|
| Board Model | SSN1SLD4A(L-4.1,LC) |
| Port Count | 1 × STM-4 Optical Port |
| Line Rate | 622.08 Mbps |
| Connector Type | LC/UPC Single-mode |
| Reach | Up to 40 km (L-4.1 standard) |
| Wavelength | 1310 nm |
| Standard Compliance | ITU-T G.707, G.783, G.957 |
| Fiber Type | G.652 Single-mode |
| Alarm & Monitoring | LOS, LOF, MS-AIS, RDI, B1/B2 Errors |
| Power Consumption | ≤ 12W |
| Operating Temperature | -5°C to +55°C |
| Humidity | 5% – 95% RH, non-condensing |
| Installation | Plug-in module for Huawei OSN chassis |
| Warranty | 1–3 Years Manufacturer Warranty |
SSN1SLD4A(L-4.1,LC) Huawei Applications
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Regional SDH Rings – STM-4 trunking across cities and districts
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Metro Aggregation – Uplinks for STM-1/STM-4 edge rings
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Enterprise Backbones – High-speed links between sites
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ISP Transport – Carrier-grade reliability for broadband delivery
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Energy & Government – Secure optical paths for control systems
Customization & OEM Options
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Label Customization – OEM barcodes, branding, and part numbers
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Pre-Configuration – Pre-loaded with custom loopback and alarm settings
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Kits Available – Chassis, optics, cables, documentation included
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Extended Testing – BER, environmental, and compliance testing
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Complete Documentation – Technical manuals, CLI/MIB references
Wholesale Supply & Logistics
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Genuine Huawei Equipment – Barcode and serial number verified
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Global Warehousing – Inventory ready for fast international dispatch
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ESD-Protected Shipping – Anti-static packaging for safe delivery
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Bulk Pricing – Discounts for integrators and resellers
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Tech Support – Engineering help before and after your purchase
Why Choose SSN1SLD4A(L-4.1,LC) Huawei
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Long-Distance Capability – 40 km reach with no amplifiers required
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Network Scalability – Ideal for expanding SDH metro rings
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Huawei Ecosystem – Native compatibility with OSN series
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Reliable Performance – Proven in field deployments worldwide
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Service-Friendly Design – Hot-swappable and easy to manage
Contact Us Today to get a quote, stock availability, and technical assistance for the SSN1SLD4A(L-4.1,LC) Huawei 622M STM-4 Interface Board — the trusted solution for robust optical SDH transport in modern telecom networks.
