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QSFP-40G-LR4L-WDM1300 - 40G QSFP+ 1310nm 2km SMF Transceiver
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H3C QSFP-40G-LR4L-WDM1300 compatible 40GBASE-LR4L QSFP+ optical transceiver delivers 40G connectivity over single-mode fiber at 1310nm up to 2km, ideal for data center and enterprise networks.
Key Features
High Performance
40Gbps data rate with 1310nm CWDM technology for reliable long-haul transmission.
Extended Reach
Supports distances up to 2km over OS2 single-mode fiber with LC duplex connector.
Digital Diagnostics
Built-in DDM (Digital Diagnostic Monitoring) for real-time performance tracking.
Low Power Consumption
Operates under 3.5W, ensuring energy efficiency in high-density deployments.
Specifications
| Model | QSFP-40G-LR4L-WDM1300 |
| Brand | H3C |
| Form Factor | QSFP+ |
| Data Rate | 40 Gbps |
| Wavelength | 1310nm (4 CWDM lanes: 1271, 1291, 1311, 1331nm) |
| Max Distance | 2 km (1.24 miles) |
| Connector | LC Duplex |
| Cable Type | OS2 Single-mode Fiber (9/125µm) |
| Transmitter Type | DFB CWDM |
| Receiver Type | PIN |
| TX Power | -10 to +2.3 dBm |
| RX Sensitivity | < -11.5 dBm |
| Power Consumption | < 3.5W |
| Operating Temperature | 0 to 70°C (32 to 158°F) |
| DDM | Supported |
| Protocols | 40G Ethernet, Fibre Channel, MSA Compliant, SFF-8436 |
Key Benefits
- Cost-Effective 40G Upgrade – Provides a seamless migration path from 10G to 40G with existing SMF infrastructure.
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
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.

Over 3 million in stock
Intelligent Warehouse

Assist customers throughout the order process
customer service

Secure and protective packing
Packaging

Accurate checks for model and quantity
Model and Quantity Verification

Fast and reliable transportation to your location
Shipping
Contact Us
If you have any needs, you can leave a message here, we will contact you as soon as possible
Address: RM I-14/FBLK2 GOLDEN DRAGONIND CTR 16-170 TAI LIN PAIROAD KWAI CHUNG
Contact: Jerry Kong
Phone: + 852-21349805
Monday to Friday.
7am to 24pm
chalice@datadirectglobal.com
whatsapp: +8618795881917





