Skip to the beginning of the images gallery

SSN1SL4A(L-4.1,LC), Huawei SSN1SL4A Board, STM-4 Optical Interface Board, 4xSTM-4, LC, Optical

Brand: Huawei
Model: SSN1SL4A(L-4.1,LC)

11 Questions

100% Genuine

Original, factory-verified

3-Year Warranty

Extended, enterprise-grade

24 Years Expertise

Proven, deployment-focused

Condition

Original New

Certified Expertise Builds Trust

CCIE · JNCIE · NSE7 · ACDX · HPE Master ASE · Dell Server/AI Expert

Talk to an Expert

Faster Delivery, Globally Ready
20+ years of supply chain expertise for faster multi-stop delivery with smooth customs.
48H Worldwide Shipping
10+ Global Warehouses
Keep Projects On Time
Reliable availability and real-time shipment visibility to keep every critical IT project on schedule.
Track Your Order

Leading Global Distributor
Since 2002
A global ICT bridge delivering authentic hardware and trusted service for over 20 years.

Worry-Free Coverage with RSCare
3-Year warranty for enterprise hardware, including advanced RMA, diagnostics, spare parts support, and OEM service compatibility.
Cisco SmartNet
HPE Foundation Care
Dell ProSupport
Juniper Care
Fortinet Support
Your Trusted Genuine Source
Authorized partnerships with 30+ brands, including Cisco, HPE, Dell, Juniper, and Fortinet.
100% Authentic Products
100,000+ Multi-Brand SKUs Available

SSN1SL4A(L-4.1,LC), Huawei SSN1SL4A Board, STM-4 Optical Interface Board, 4xSTM-4, LC, Optical

100% Genuine Ready to Ship

Overview

Huawei SSN1SL4A(L-4.1,LC) Overview

The Huawei SSN1SL4A(L-4.1,LC) is a carrier-grade STM-4 optical interface board designed for OptiX OSN series transport platforms. It provides four STM-4 (622Mbps) single-mode, dual-fiber LC interfaces at 1310 nm, ideal for metropolitan and regional SDH networks across Asia, Europe, Africa, and North America. With a 20 km optical reach, low 6.5W max power consumption, passive cooling, and 15-year MTBF, this board helps distributors, integrators, and end users build reliable, standards-compliant transmission with ITU-T G.707, G.957, and G.783 support.

Product Highlights

622Mbps

STM-4 Rate

20 km

Optical Reach

6.5W

Low Power

Product Applications Scenarios

Service Providers

The STM-4 optical interface board enables reliable SDH aggregation for telecom carriers, extending metro rings up to 20 km while minimizing 6.5W link power costs and simplifying standardized ITU-T compliant rollouts.

Enterprise Network

Enterprises can use the STM-4 LC ports to interconnect campuses or data rooms over single-mode fiber, improving backbone resilience and achieving up to 622Mbps protected links without complex configuration.

Public Infrastructure

For transportation, utilities, or government SDH networks, the board delivers stable 1310 nm transmission with 15-year MTBF, reducing maintenance visits and enhancing availability for critical services.

Product Features Comparison


Model	SSN1SL4A(L-4.1,LC), Huawei SSN1SL4A Board, STM-4 Optical Interface Board, 4xSTM-4, LC, Optical	SSQ5CXLL117, Huawei SSQ5CX Series Optical Interface Board, STM-1, L-1.2, LC	TNM1CXL13, Huawei TNM1 Series Optical Interface Board, 1xSTM4 LC/20G HO Cross-connect/Single Fibre BiDi	TNM1CXL10, Huawei OptiX OSN 1800 Board, 1xSTM1 LC/Single Fiber/20G HO Cross-connect
Brand	Huawei	Huawei	Huawei	Huawei
Module Type	STM-4 Optical Interface Board	STM-1 System Control, Cross-connect, Optical Interface Board	Optical Interface Board	n/a
Port Configuration	4xSTM-4, Single-mode, dual-fiber, LC	STM-1 Optical, LC	1xSTM-4, S-4.1, LC	1xSTM1 (L-1.1), LC
Supported Speed	STM-4 (622Mbps)	Maximum Data Rate 155.52Mbps	STM-4	STM-1 (155.52Mbps)
Compatible Platform	OptiX OSN series	Applicable Huawei Network Systems	Huawei OptiX OSN Series	Huawei OptiX OSN 1800
Installation Type	Passive cooling; board for OptiX OSN chassis	Rack-mountable	Board for Huawei chassis	Standard Rack Mount

Optional Add-ons

Model Number	Description
TNM1CXL13	Huawei TNM1 Series STM-4 optical interface board with 20G HO cross-connect for OSN extensions
TNW1SL16Q04	Huawei TNW1 Series 4xSTM-16 LC optical board for higher-capacity SDH uplinks
TN11DCU15	Huawei OSN dispersion compensation unit for up to 100km G.655 SDH optical links

Quality Certifications

Specification

Huawei SSN1SL4A(L-4.1,LC) Specification

Model

SSN1SL4A(L-4.1,LC)

Brand

Huawei

SSN1SL4A(L-4.1,LC) Specifications Brand

Huawei

Product Type

STM-4 Optical Interface Board

Interface Type

Optical Port

Single-mode, dual-fiber

Transmission Rate

STM-4 (622Mbps)

Wave Length

1310 nm

Optical Power Range

1 dBm to -5 dBm

Sensitivity

28 dBm

Connector Type

Reach

20 km

Power Consumption

6.5W max

Operating Temperature

5掳C to 55掳C

Storage Temperature

40掳C to 70掳C

Relative Humidity

5% to 95%

Dimensions (HxWxD)

25.4mm x 177.8mm x 233.7mm

Cooling

Passive

MTBF

15 years

Supported Standards

ITU-T G.707, G.957, G.783

Chassis Compatibility

OptiX OSN series

Flammability Rating

UL 94 V-0

Get more information

Discover unbeatable prices and fast shipping for the SSN1SL4A(L-4.1,LC), Huawei SSN1SL4A Board, STM-4 Optical Interface Board, 4xSTM-4, LC, Optical . Access the detailed SSN1SL4A(L-4.1,LC), Huawei SSN1SL4A Board, STM-4 Optical Interface Board, 4xSTM-4, LC, Optical datasheet and ensure you're getting the best deal with our reliable delivery service. Need assistance? Our free live chat support is here to help. For more information about the product and pricing, contact us via live chat or email us at [email protected].

Quality Certifications

Need Help? Technical Experts Available Now.

+1-626-655-0998 (USA)
UTC 15:00-00:00
+852-2592-5389 (HK)
UTC 00:00-09:00
+852-2592-5411 (HK)
UTC 06:00-15:00

Get a Quote

Live Chat

Need Help? Technical Experts Available Now.

Customer Reviews

Write Your Own Review

Only registered users can write reviews. Please Sign in or create an account

Q&A

Questions & Answers

What common issues might I encounter with the SSN1SL4A(L-4.1,LC)?

Common issues include connector malfunctions or transmission errors, usually rectified by re-seating the board or checking fiber connections.

How does the SSN1SL4A(L-4.1,LC) compare to similar products?

The SSN1SL4A(L-4.1,LC) offers a balance of cost-efficiency and high-speed performance, making it competitive with similar-tier STM-4 boards.

How do I troubleshoot connectivity issues on the SSN1SL4A(L-4.1,LC)?

Ensure all optical connectors are clean and seated properly. Use network diagnostic tools to pinpoint connectivity problems.

Why should I buy from router-switch.com?

As an authorized distributor for 20+ top brands, router-switch.com offers:
- Genuine products with full warranties.
- Competitive pricing and bulk order discounts.
- Professional pre-sales and after-sales support.

Learn More

What are the key features of the SSN1SL4A(L-4.1,LC)?

The SSN1SL4A(L-4.1,LC) STM-4 Optical Interface Board supports 622Mbps transmission, LC connectors, and robust performance in optical networking.

How cost-effective is the SSN1SL4A(L-4.1,LC)?

The SSN1SL4A(L-4.1,LC) offers high transmission speeds at a competitive price, making it a cost-effective solution for optical networks.

How do I install the SSN1SL4A(L-4.1,LC)?

Install the SSN1SL4A(L-4.1,LC) by carefully sliding it into the designated slot and securing it per the Huawei installation guide's instructions.

What is the application scenario for SSN1SL4A(L-4.1,LC)?

The SSN1SL4A(L-4.1,LC) is ideal for metropolitan area networks, providing high-speed, reliable optical connections.

Does the SSN1SL4A(L-4.1,LC) STM-4 Optical Interface Board need upgrades?

No frequent upgrades are needed unless Huawei releases significant firmware updates to enhance functionality.

Are there alternative products to SSN1SL4A(L-4.1,LC)?

Alternatives include other Huawei STM-4 boards like SSN1SL4A with different connectors or higher transmission rates.

What accessories are available for SSN1SL4A(L-4.1,LC)?

Accessories include compatible LC connector cables and matching SFP modules for enhanced performance.

What common issues might I encounter with the SSN1SL4A(L-4.1,LC)?

Common issues include connector malfunctions or transmission errors, usually rectified by re-seating the board or checking fiber connections.

How does the SSN1SL4A(L-4.1,LC) compare to similar products?

The SSN1SL4A(L-4.1,LC) offers a balance of cost-efficiency and high-speed performance, making it competitive with similar-tier STM-4 boards.

How do I troubleshoot connectivity issues on the SSN1SL4A(L-4.1,LC)?

Ensure all optical connectors are clean and seated properly. Use network diagnostic tools to pinpoint connectivity problems.

Why should I buy from router-switch.com?

Warranty

Your Trusted Global ICT Partner
Delivering reliable, cross-border fulfillment with 20+ years of expertise, backed by rigorous QC, fast logistics, and worldwide warehousing.
Global warehousing
10+ hubs positioned for fast international dispatch and stable availability.
Seamless cross-border
QC-verified packing and predictable delivery via FedEx, DHL, UPS.
ICT Tools Hub for Confident Monitoring
Stay informed on product lifecycle status and real-time inventory availability—supporting confident planning, sourcing, and operational execution.
EOL/EOSL Checker
Verify product lifecycle status to plan purchases and avoid EOL/EOSL risks.
Request VIP Inventory Portal Access
Connect via live chat for VIP access to real-time inventory on priority SKUs.
Certified Experts Across Leading Vendors
Professional guidance for network, security & data center builds, delivered by certified experts with extensive, hands-on deployment experience.
Multi-vendor engineering
Certified expertise across Cisco, HPE, Aruba, Dell, Juniper, Huawei and Fortinet.
Deployment-ready guidance
Faster, safer rollouts with project-focused engineering guidance.

The Choice of 21,500 +Global Customers

Industry-Leading Warranty Coverage You Can Trust

100% Low Price Guarantee
Router-switch.com offers genuine, high-quality ICT products at competitive wholesale prices—ensuring exceptional value without compromising quality.
100% Quality Assurance
All items are brand new, original, and factory-sealed.
Upon request, each unit can be fully tested and verified by a Huawei-certified engineer to ensure perfect working condition before shipment.
100% Money-Back Guarantee
If you are not satisfied with your purchase, you may request an exchange or full refund. Our customer service team will guide you through the return process quickly and smoothly.
Visit Return Policy page for more information.
Free Huawei Technical Support
Our Huawei-certified experts provide free professional support via phone, email, online chat, or remote login—helping you deploy and troubleshoot with confidence.
Flexible & Secure Payment and Shipping
We support multiple secure payment and logistics options, backed by industry-leading verification:
Pay by wire transfer.

Pay with your paypal.

Pay with your Visa credit card.

Pay with your Mastercard credit card.

Pay with your Discover Card.

Pay by American Express.
More
Trusted & Secure Payments ×
100% Trusted, Secure Purchase at Router-switch.com
120+ Local Currencies

Multiple Payment Options

100% Secure Payments
Choose the payment method that works for you—local options, multiple currencies, or bank transfers. Every payment is protected by SSL encryption, PCI DSS-level security, McAfee Secure, and VeriSign Secured for complete peace of mind.

Guaranteed Safe Checkout

View Payment Options
Visit How to Pay page for more information

Warranty Coverage & RMA Instructions

Extended, Worry-Free Warranty Coverage
- Factory New Sealed Enterprise Hardware: 3 Years
- Factory New Sealed Consumer Devices: 1 Year
Visit Warranty Policy page for more information
How to Get Support
If you encounter issues with products, please reach out to your dedicated sales representative. They will assist with diagnostics, remote troubleshooting, and RMA processing if necessary.
Visit Contact Us page for more support options.

Best-Fit Solutions for Your Network

Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

Expert-configured AI solution: Same power, 90% savings—multi-scenario flexibility with Dell/Huawei/Lenovo options.

Beyond Bandwidth: The 100G+ Data Center Architecture

The must-have 100G foundation - AI-ready growth, zero-latency performance

Data Center

400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

High-Profit data center switches from Cisco, Huawei, Mellanox & Juniper.

Ethernet Switch

SSN1SL4A(L-4.1,LC), Huawei SSN1SL4A Board, STM-4 Optical Interface Board, 4xSTM-4, LC, Optical

You may also be interested in the following product(s)

Faster Delivery, Globally Ready

Keep Projects On Time

Leading Global Distributor Since 2002

Worry-Free Coverage with RSCare

Your Trusted Genuine Source

SSN1SL4A(L-4.1,LC), Huawei SSN1SL4A Board, STM-4 Optical Interface Board, 4xSTM-4, LC, Optical

Huawei SSN1SL4A(L-4.1,LC) Overview

Product Highlights

Product Applications Scenarios

Product Features Comparison

Optional Add-ons

Quality Certifications

Huawei SSN1SL4A(L-4.1,LC) Specification

Get more information

Quality Certifications

Need Help? Technical Experts Available Now.

Questions & Answers

What common issues might I encounter with the SSN1SL4A(L-4.1,LC)?

How does the SSN1SL4A(L-4.1,LC) compare to similar products?

How do I troubleshoot connectivity issues on the SSN1SL4A(L-4.1,LC)?

Why should I buy from router-switch.com?

What are the key features of the SSN1SL4A(L-4.1,LC)?

How cost-effective is the SSN1SL4A(L-4.1,LC)?

How do I install the SSN1SL4A(L-4.1,LC)?

What is the application scenario for SSN1SL4A(L-4.1,LC)?

Does the SSN1SL4A(L-4.1,LC) STM-4 Optical Interface Board need upgrades?

Are there alternative products to SSN1SL4A(L-4.1,LC)?

What accessories are available for SSN1SL4A(L-4.1,LC)?

What common issues might I encounter with the SSN1SL4A(L-4.1,LC)?

How does the SSN1SL4A(L-4.1,LC) compare to similar products?

How do I troubleshoot connectivity issues on the SSN1SL4A(L-4.1,LC)?

Why should I buy from router-switch.com?

Your Trusted Global ICT Partner

ICT Tools Hub for Confident Monitoring

Certified Experts Across Leading Vendors

The Choice of 21,500 +Global Customers

Best-Fit Solutions for Your Network

Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

Beyond Bandwidth: The 100G+ Data Center Architecture

400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

Leading Global Distributor
Since 2002