TOPSTAR TECHNOLOGY INDUSTRIAL CO., LIMITED
                                                                                                           
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20 Years
Since 2006
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400GBASE-LR4 QSFP-DD Optical Transceiver - 400G PAM4 CWDM4 10KM Single Mode Fiber Module

Price Negotiable
Price: Price is negotiable
MOQ: 1
Delivery Time: 1-3 working days
Brand: Top-Trans
Product Description
Product Overview

The 400GBASE-LR4 QSFP-DD optical transceiver delivers high-speed 400Gb/s connectivity for 10km data transmission. This advanced module converts 8 channels of 50Gb/s PAM4 electrical signals into 4 CWDM optical lanes, providing reliable long-distance communication for enterprise and data center networks.

Technical Specifications
ParameterSpecification
Fiber TypeSingle Mode Fiber (SMF)
ConnectorLC Duplex
Transmission Distance10 km
Data Rate400 Gb/s (106.25Gbps PAM4 per channel)
Wavelength1271/1291/1311/1331 nm CWDM
Tx Power-2.8 to 4 dBm
Rx Sensitivity-9.1 to 4 dBm
Power Consumption12 W maximum
Operating Temperature0 to 70°C
Power Supply3.3 V
Key Features
  • QSFP-DD MSA compliant form factor
  • 4 CWDM lanes MUX/DEMUX design
  • 100G Lambda MSA 400G-LR4 specification compliant
  • Supports up to 10km transmission on single mode fiber with FEC
  • 8x53.125Gb/s electrical interface (400GAUI-8)
  • RoHS compliant for environmental safety
  • Low power consumption at 12W maximum
Applications
  • Data Center Interconnect
  • 400G Ethernet Networks
  • Infiniband Interconnects
  • Enterprise Networking Infrastructure
Quality & Compatibility

Each transceiver undergoes individual testing in our dedicated test center and compatibility verification across multiple network equipment brands including Cisco, Juniper, H3C, and others. With 40,000 units maintained in stock, we ensure rapid delivery and reliable performance.

Frequently Asked Questions
Q: Are your transceiver modules compatible with Cisco equipment?
A: Yes, our transceivers are compatible with Cisco and multiple other brands including Juniper, 3COM, H3C, Alcatel-Lucent, and more.
Q: What is your quality control process?
A: Every optical module undergoes individual testing in our test center and compatibility verification across various network equipment brands.
Q: What are your delivery terms?
A: We maintain 40,000 units in stock for immediate shipment and accept various payment methods including T/T, Western Union, PayPal, and L/C.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company TOPSTAR TECHNOLOGY INDUSTRIAL CO., LIMITED
Location 28 Yayuan Road,Wuhe Community,BanTian Street,Longkong District, Shenzhen,China.
Contact Person Vicky Tian

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