400G-QSFP-DD-LR4 2km Optical Module RTXM290-342 CWDM Transceiver EML Original

400G-QSFP-DD-LR4 2km Optical Module RTXM290-342 CWDM Transceiver EML Original

400G QSFP-DD LR4 is a type of transceiver module that is used in high-speed data communications networks. QSFP-DD stands for Quad Small Form-factor Pluggable Double Density and LR4 stands for Long Range 4.

This transceiver module can transmit data at a rate of 400 Gigabits per second (Gbps) over a distance of up to 10 kilometers. The LR4 designation indicates that it uses four channels of 100Gbps each, with each channel transmitting data over a different wavelength (1310nm, 1295nm, 1275nm, and 1255nm) in the optical fiber.

This type of transceiver module is commonly used in data centers and high-performance computing applications where high-speed and long-distance data transmission is required. It is typically used to connect switches, routers, and other networking equipment.

Parameters

PRODUCT FEATURES

FAQ
Q1. Are your transceiver modules compatible with Cisco?
A1: Yes, Topstar transceivers can compatible with Cisco. All the brand Topstar's SFP compatible as the fellowing:Cisco, Nortel, Juniper, 3COM, H3C, Alcatel-lucent, FOUNDRY, D-Link, EXTREME, Ruijie, NETGEAR, ZTE, Enterasys, ZyXEL, Linksys, Ericsson, DCN, Allied, SMC, Brocade, Force10, Hirschmann, Planet, Adtran, ASNTE, Trendnet, BDCOM, BLADE, BITWAY, Telco, Feixun...etc.

Q2. How does your company do regarding quality control?
A2: Every single optic individually tested in our test center , and also tested for compatibility on a variety of different brands of network equipment.

Q3. What are the trade terms?
A3: Lead Time: we keep 40,000pcs SFP in stock ready to ship.
Payment term: T/T, Western Union, Alipay, Paypal, L/C and so on for your option.

Q4. What is operating temperature range of optical modules?
A4: Commercial temperature range(COM) : 0 to 70°C(32 to 158°F)

Storage temperature range:-40 to +85°C(-40 to 185°F)
We can supply according to your request.

Products And Aervices Provided 

Topstar is one of the leading manufacturers of Fiber Optical transceive module since 2006, located in China capital of technological innovation- Shenzhen City；

Our main products included OEM compatible sfp optical transceiver, 10G SFP+ optical module, 25G SFP28 module, 40G QSFP+ module, 100G QSFP28 module to 400G optical modules used for Ethernet network, and some fiber accessories like, DAC cable, AOC cable, patch cable, ethernet server adapter etc...

We are also re-seller of original sfp transceiver like Finisar/ Brocade /Cisco/Innolight/AOI/Avago/Juniper/Dell/WTD, and we also offer Brocade FC SFP Transceiver, SAN switch, blade, fan assembly and POD license kit for storage area network solutions；

Main Market And Customer Groups

Our company invests large fund and brains to research products to fit the demand Of the market. High level research group, advanced professional testing equipments like Error Detector, Industrial Oven, Agilent Oscilloscope,Digitizer,Wave Runner to ensure the stable and reliable quality with qualification rate 99.97%; Our products are mainly sold To telecom operators, IDC data centers, government departments, internet service provider and system integrator in abroad, Such as US, UK, Germany, Denmark, Russia, Australia, Korea, Singapore, Indonesia, Nepal, Mogolia, Brazil, Peru, Israel, Turkey, and so on.

Customer Case

Topstar has cooperated with customers from all over the world: II-VI China company, USA Florida Data Center, China Telecommunication backbone network projects ,Mogolia Telecom projects, Nepal operator,Dubai Telecom,South American data centre , EXFO worldwide optical test solutions etc. and build a long-term cooperation relationship with more than 800 customers globally.

Industry Status And Influence

Topstar, established in 2006, is a manufacturer of Fiber Optical transceiver module. After 16 years' effort and development, now we have become one of the leading sfp transceiver manufacturers and suppliers in China. We are always keeping very kind relationship with many strong IDC data center and telecom company, we have been enjoying high reputation in optical transceiver market domestically and internationally.

Topstar Culture

Our Vision--Create Topstar’s home and strive to be a respected Century Enterprise！

Our Mission--Better Communication, Better World !

Our Values--Struggle happily, to be honesty and gratitude, then to be progressive and achieve others;

Organizational Structure&Company Advantages

We also has bridle-wise manage team ,R&D team and QC team ,and can supply customer their desired sample in the earliest date , arrange your order correctly, strictly control the mass production quality and lead time , and let the business goes smoothly !

Topstar owns Shenzhen Baoan OEM/ODM Factory, Shenzhen Longgang Sales Company, USA San Francisco Office,Shenzhen warehouse and HONGKONG warehouse to offer the One-Stop souring of high quality product platform for our customers.

Technical Strength

Topstar proudly own 5,000 Square Meters complete Dust-Free workshop. Together with our 20 dedicated engineering experts in the R&D, we create excellent products. Applying the industrial best Management Practice combined with full range of test equipments, we stand to be the expert in Optical Transceiver field. These expertise enabling us the ability to supply full series of High Quality products;

Company Productivity

For OEM compatible sfp transceiver, the factory daily production will be up to 5,000 pcs, for general 1.25G SFP,10G SFP+, 25G SFP28 transceiver module like 500-1000pcs, can ship within 1-3 days;

For brand optical module, we have more than 200,000 original sfp transceivers at inventory for immediate delivery at any one time.