Can I request customizations?

Yes, we offer full customization, minor customization, and options based on samples or designs.

What payment terms are accepted?

We accept T/T, LC, D/P, PayPal, small-amount payments, and Western Union.

What certifications does the product have?

The product is certified with CE, ISO, RoHS, GS, and FCC.

Campus Backbone 40g Qsfp28 Lr4 Ethernet Optical Transceiver Unit for University Networks

Name: Campus Backbone 40g Qsfp28 Lr4 Ethernet Optical Transceiver Unit for University Networks
Brand: Shenzhen Longxing Industrial Co., Ltd.
SKU: 2329041065

Guangdong, ChinaShenzhen Longxing Industrial Co., Ltd.

US$200.00

100 Pieces

Sample price:US$230.00/piece.Request sample

Product profile

Customization

Available

Usage

Computer, Workstation, SFP Transceiver for Telecom

Type

Wired

Model NO.

QSFP28-40G-LR4

Support Network

Ethernet

Information content

Data

Certification

CE, ISO, RoHS, GS, FCC

Condition

New

Model

40g Qsfp28 Lr4 Full Hermetic 10km

Speed

Qsfp28-40g

Distance

10km

Ddm

Yes

Transport Package

Paper Package

Specification

15x3x3

Trademark

MarStars

Origin

China

HS Code

8517795000

Production Capacity

5000PCS/Day

Key features

40G LR4 Performance: Delivers 100GBase-LR4 throughput up to 10km over single mode fiber.

Digital Diagnostics: Real-time operating parameters accessible via I2C interface.

Hot Swappable Design: Easy to install and supports hot swapping for minimal downtime.

Standard Compliance: Compliant with IEEE 802.3 100GBASE-LR4, SFF-8665, and SFF-8636.

Wide Application Scope: Suitable for data centers, telecom, HPC, and enterprise networks.

Strict Quality Testing: Undergoes comprehensive strict testing to ensure reliable quality.

Multiple Certifications: Certified with CE, ISO, RoHS, GS, and FCC standards.

Flexible Customization: Offers full, minor, and sample/design-based customization options.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceSelf-branded

Shenzhen Longxing Industrial Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 12 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤3.50h CertifiedTerms of Payment: T/T, LC, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company, although the supplied description also presents manufacturing and product-supply activities. It has no stated supplier-management-system certifications and relies on packing staff for finished-product inspection. Service infrastructure is limited: no overseas warehouses, showrooms, agents, branches, or offline trade-show participation are reported, and complaint handling and corrective/preventive procedures lack written records. Production information lists substantial output across networking products, with exports representing 71%–90% of sales and 12 years of export experience. Customization is offered across several levels, but there is no reported new-product development in the past year, no ODM service, and no SDK. Financial information is represented only by years rather than performance results, so financial credibility cannot be determined. No customer cases are provided.

CertificationsThe supplier reports “NIL” for certification of supplier management systems. No certification is therefore evidenced for this field.

After-Sales capabilityThe supplier has procedures for corrective/preventive actions and customer complaints, but no written records, and reports no overseas warehouse, showroom, agent, branch, or offline trade-show capability. It does state lead times within 15 workdays in both peak and off-season and accepts multiple service quotation and payment terms, but the documented service infrastructure remains limited.

R&D capabilityThe supplier reports no available SDK, no new products in the past year, no ODM service, and only one year of total R&D-engineer experience. These entries provide explicit evidence of limited documented innovation capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, flexible customization, and minor customization. This is direct evidence of broad customization availability, although no supporting execution examples are provided.