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QSFP-100G-LR4L-WDM1300 - 100G CWDM4 QSFP28 2km SMF Transceiver
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High-performance 100G QSFP28 transceiver for 2km single-mode fiber links, featuring CWDM4 wavelengths and low power consumption for data center and enterprise networks.
Key Features
100Gbps Data Rate
Delivers 103.125 Gbps aggregate bandwidth via 4x 25.78 Gbps lanes, compliant with IEEE 802.3ba and 100G CWDM4 MSA.
2km Reach on SMF
Optimized for single-mode fiber (OS2) with 1310nm CWDM wavelengths (1271, 1291, 1311, 1331 nm) for up to 2 km distance.
Low Power & DDM
Consumes ≤3.5W and supports Digital Diagnostic Monitoring (DDM) for real-time performance tracking.
Duplex LC Interface
Standard duplex LC connector ensures easy integration with existing fiber infrastructure.
Specifications
| Model | QSFP-100G-LR4L-WDM1300 |
| Brand | H3C |
| Form Factor | QSFP28 |
| Data Rate | 103.125 Gbps (4x 25.78 Gbps) |
| Wavelength | 1271, 1291, 1311, 1331 nm (CWDM) |
| Max Distance | 2 km (1.24 miles) |
| Connector | Duplex LC |
| Cable Type | OS2 Single-mode Fiber (9/125 µm) |
| Transmitter Type | 4x CWDM DML (DFB) |
| Receiver Type | PIN |
| Tx Power | -6.5 to +2.5 dBm per lane |
| Rx Sensitivity | < -11.5 dBm |
| Power Consumption | ≤3.5 W |
| Modulation | NRZ |
| DDM | Supported |
| Protocols | IEEE 802.3ba, IEEE 802.3bm, SFF-8665, SFF-8636, 100G CWDM4 MSA, QSFP28 MSA |
| Case Temperature | 0°C to +70°C |
| Warranty | 5 Years |
Key Benefits
- Cost-Effective 100G Connectivity – Leverages CWDM technology to deliver 100G over 2km SMF at lower cost than LR4 optics.
- Interoperability – Fully compatible with H3C switches and routers, and compliant with industry MSA standards.
- Reliable Performance – Built with high-quality DFB lasers and PIN receivers for stable optical performance.
- Easy Deployment – Hot-pluggable QSFP28 form factor with duplex LC interface simplifies installation and upgrades.
Frequently Asked Questions About Product
If these questions do not dispel your doubts, please contact us
Where do your products come from?
All of our products from Cisco Disti,Cisco partner, Cisco distribution directly.
How to ship the goods?
Datadirect cooperation with FEDEX,UPS & DHL and air shipment. Orders can be tracked by express Tracking number. Air shipment will supply the B/L.
Can l use my own freight account to ship my order?
Sure, we can use your accounts to ship goods without any issue.
What's your warranty for the products you sell?
Please refer below our warranty terms.
https://www.datadirectglobal.com/pages/product-warranty-policy
Datadirect offers for all items on the website.
Cisco/Juniper:
1 year warranty for new licensed products; 3 months warranty for used, REF, etc.
Aruba:
Generally provide Limited Lifetime Warranty
PS: Limited Lifetime Warranty means the machine is damaged during normal use, datadirect can provide free warranty service. However, we cannot provide warranty for damage caused by human or violent factors.
If you need to apply for a product warranty, you need to send the defective product back to us (suzhou China). The shipping cost of the defective product and the shipping cost of the spare parts will be borne by datadirect.
The shipping cost for the return is: first receipt address to our warehouse. The shipping cost of the spare parts is from our warehouse to the first delivery address.
I want to buy a licence/service for a device, can I use it properly locally?
Fortinet, Meraki branded equipment licences purchased from us can be used globally, Cisco service needs to be confirmed by contacting us
How Hardware Procurement Works
A straightforward four-step process. No hidden costs, no ambiguous timelines. From your first inquiry to delivery, you know exactly what happens next.
Submit Your Requirement
Send us your hardware spec, model numbers, and quantity via email or WhatsApp. The more detail, the faster we can quote.
Receive a Detailed Quote
We respond within 24 hours with a complete quote - itemized pricing, lead time, and logistics estimate. No vague estimates.
Confirm and Pay
Approve the quote, complete payment or confirm agreed credit terms. We then place the order with our verified supply network.
Delivery and Handover
We manage logistics end-to-end and provide tracking. Delivery comes with full documentation and post-delivery support.
Order Fulfillment Process
From Warehouse to Delivery: Ensuring Accuracy and Speed. Our order fulfillment process guarantees that your order is handled with the utmost care and efficiency.

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