SSN1SLD4A(L-4.2,LC) Huawei High Quality 4-Port STM-4 Optical Interface Board
The SSN1SLD4A(L-4.2,LC) Huawei is a high-performance 4-port STM-4 optical interface board engineered by Huawei for its next-generation SDH transmission systems. Each port supports 622 Mbps (STM-4) optical transmission using LC-type single-mode fiber and conforms to the L-4.2 transmission standard, enabling a maximum reach of up to 40 km.
Ideal for use in access and aggregation layers of SDH networks, the SSN1SLD4A supports key features like loopback diagnostics, rich performance monitoring, and high integration with Huawei OSN3500, OSN2500, and OSN7500 platforms. This board is well-suited for telecom carriers, utility networks, and enterprise backbones requiring multi-port STM-4 connectivity.
Key Features
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Model: SSN1SLD4A(L-4.2,LC)
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Port Configuration: 4 × STM-4 (622 Mbps)
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Interface Type: LC/UPC, Single-mode Fiber
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Transmission Standard: L-4.2 (Up to 40 km)
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Hot-Swappable: Yes
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Application: Mid-range STM-4 transport and aggregation
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Compatibility: OSN3500 / OSN2500 / OSN7500
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Functions: SDH access, alarms, loopbacks, performance monitoring
Technical Specifications
| Specification | Details |
|---|---|
| Board Model | SSN1SLD4A(L-4.2,LC) |
| Port Count | 4 × STM-4 Optical Ports |
| Line Rate | 622 Mbps per port |
| Interface Connector | LC/UPC Single-mode |
| Reach | Up to 40 km |
| Wavelength | 1310 nm |
| Standards Compliance | ITU-T G.707, G.783, G.957 |
| Fiber Type | G.652 Single-mode |
| Monitoring & Alarms | LOS, LOF, MS-AIS, RDI, B1/B2 Errors |
| Power Consumption | ≤ 20W |
| Operating Temperature | -5°C to +55°C |
| Humidity | 5% – 95% RH, non-condensing |
| Installation | Plug-in module for Huawei OSN subracks |
| Warranty | 1–3 Years Manufacturer Warranty |
SSN1SLD4A(L-4.2,LC) Huawei Applications
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Metro Aggregation – High-capacity STM-4 concentration
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Regional SDH Rings – Seamless 622 Mbps connectivity
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Enterprise Backbones – Reliable high-speed transport
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Carrier Networks – Optimized for mid-distance transmission
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Utility & Government Networks – Stable and monitored optical links
Customization & OEM Options
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OEM Branding – Part number, label, and barcode customization
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Pre-Configuration – Alarm thresholds, loopbacks, testing profiles
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Accessory Kits – Jumper cables, LC patch panels, and chassis options
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Extended Testing – BER, soak, and environmental stress testing
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Documentation Sets – CLI references, MIBs, and setup guides
Wholesale Supply & Global Logistics
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Genuine Huawei Equipment – Verified by serial and barcode
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Inventory Readiness – In-stock for fast shipping worldwide
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Protective Packaging – ESD-safe and shock-resistant boxes
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Bulk Pricing – Discounts for integrators, resellers, and carriers
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Support Services – Pre-sale and post-sale technical assistance
Why Choose SSN1SLD4A(L-4.2,LC) Huawei
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Multi-Port Efficiency – 4 STM-4 ports in a single compact board
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Medium-Haul Transmission – Up to 40 km without amplifiers
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Reliable Huawei Quality – Built for mission-critical networks
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Seamless Integration – Compatible with full Huawei OSN lineup
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Hot-Swappable Design – Enables non-disruptive upgrades
Contact Us Now for pricing, availability, and expert consultation on the SSN1SLD4A(L-4.2,LC) Huawei 4-Port STM-4 Interface Board — a reliable and scalable optical solution for your SDH network infrastructure.
