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40G QSFP+ Module MPO Transceiver 40GBASE SR4 Module with DDM
Marstars High-Performance 40G QSFP+ SR4 Multimode Optical Transceiver Reliable 40Gbps high-speed connectivity for short-reach data center backbones.
Product Overview The Marstars MS-QSFP-40G-SR4 is a high-performance, cost-effective 40G QSFP+ (Quad Small Form-factor Pluggable) transceiver designed for 40-Gigabit Ethernet applications. It utilizes 4 independent 10Gbps transmit and receive channels over multimode fiber, achieving an aggregate bandwidth of 40Gbps. Equipped with an MPO/MTP interface, it is the perfect solution for top-of-rack (ToR) and end-of-row (EoR) switch-to-switch connections.
Key Technical Features
4-Channel Full-Duplex: 4 independent 10Gbps parallel channels provide a total bandwidth of 40Gbps, meeting the needs of high-density data centers.
100m/300m Reach: Supports transmission distances up to 100m on OM3 multimode fiber and up to 300m on OM4 multimode fiber.
850nm VCSEL Technology: High-quality 850nm VCSEL laser array and PIN photo-detector ensure stable performance and low power consumption (<1.5W).
DDM/DOM Support: Real-time Digital Diagnostic Monitoring allows users to track temperature, voltage, laser bias, and optical power.
Hot-Pluggable: Fully hot-pluggable design allows for installation and removal without interrupting network services.
Universal Compatibility: Standard MSA compliance ensures 100% compatibility with major networking brands like Cisco, Juniper, Arista, Dell, Huawei, and MikroTik.
Technical Specifications
Data Rate: 40Gbps (4x10G)
Form Factor: QSFP+
Wavelength: 850nm
Fiber Type: Multimode (MMF)
Connector: MPO/MTP-12 (Male)
Max Distance: 100m (OM3) / 300m (OM4)
Standard: IEEE 802.3ba 40GBASE-SR4
Operating Temp: 0C to 70C (Commercial Grade)
Power Supply: Single +3.3V
Why Choose Marstars Transceivers?
Multi-Brand Compatibility: We maintain a massive "Compatibility Lab" with switches from all major brands to ensure our modules work perfectly upon arrival.
Strict Reliability Testing: Every module undergoes a 24-hour continuous traffic test and 3D end-face inspection before shipping.
Low Power Design: Optimized circuitry reduces heat generation in high-density rack environments.
Professional Support: 3-year warranty with free technical coding services for custom switch requirements.
Application Scenarios
Data Center Core: High-speed backbone links between 40G core switches.
Switch-to-Server: High-bandwidth connectivity for high-performance computing (HPC) nodes.
Cloud Infrastructure: Scalable 40G networking for public and private cloud deployments.
| Data Rate | Wavelenth | Distance | Source | Output Power (dBm) | Sensitivity (dBm) | Connector | Voltage |
| 40G | 850nm/880nm/910nm/940nm | 100m | VCSEL/PIN | 5~-4dBm | <-7dBm | LC | 3.3V |
| 40G | 850nm | 100m | VCSEL/PIN | 2~-7.5dBm | <-10.3dBm | MPO | 3.3V |
| 40G | 1271/1291/1311/1331 | 2km | DFB/PIN | 2.3~-7dBm | <-11.5dBm | LC | 3.3V |
| 40G | 1310nm | 2km | DFB/PIN | 0.5~-8.2dBm | <-12.6dBm | MPO | 3.3V |
| 40G | 1271/1291/1311/1331 | 10km | DFB/PIN | 2.3~-7dBm | <-11.5dBm | LC | 3.3V |
| 40G | 1271/1291/1311/1331 | 20km | DFB/PIN | 2.3~-7dBm | <-11.5dBm | LC | 3.3V |
| 40G | 1271/1291/1311/1331 | 40km | DFB/PIN | >2dBm | <-13dBm | LC | 3.3V |
| 40G | 1271/1291/1311/1331 | 60km | DFB/APD | 5~0dBm | <-21dBm | LC | 3.3V |
| 40G | 1295.56/1300.05/1304.58/1309.14 | 80km | LWDM EML/APD | >3dBm | <-26dBm | LC | 3.3V |
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