Article Overview
RoHS-compliant 40G QSFP+ optical transceivers are available for both short-range and long-range Ethernet applications, supporting 40Gbps data rates with eco-friendly, high-performance connectivity.
Key Options
- 40GBASE-SR4 QSFP+ (Short-Range)
- Supports 40Gb Ethernet over multimode fiber up to 300m (some modules up to 150m)
- Uses MPO connectors and 850nm VCSELs
- RoHS compliant for environmentally safe operation
- Ideal for data center interconnects and short-range network links
- Example: 40GMSRSFPC by Lasermate
- 40GBASE-LR4 QSFP+ (Long-Range)
- Supports 40Gb Ethernet over single-mode fiber up to 10 km
- Uses LC connectors with 4 CWDM lanes and integrated MUX/DEMUX
- RoHS compliant, with built-in digital diagnostics
- Suitable for enterprise networks, campus backbones, and metro networks
- Example: Color-Chip 40G QSFP+ LR4 Transceiver, Fiberate 40G QSFP+ LR4
- Extended-Range and DWDM Options
- Modules supporting 20 km to 80 km transmission over single-mode fiber
- Compliant with IEEE 802.3ba/802.3bm standards and QSFP+ MSA
- RoHS compliant, suitable for high-speed IDC connections and DWDM systems
- Example: Fiberwdm 40G QSFP-ELR4 and DWDM QSFP+ modules
Features to Consider
- Form Factor: QSFP+ (Quad Small Form-factor Pluggable) for 40G Ethernet
- Fiber Type: Single-mode (SMF) for long-range, multimode (MMF) for short-range
- Connector Type: LC for SMF, MPO for MMF
- Compliance: RoHS ensures environmentally safe materials
- Diagnostics: Many modules include digital monitoring for temperature, voltage, and optical power
- Compatibility: Works with IEEE-compliant 40G interfaces and major switch/router brands
Summary
For a RoHS-compliant 40G optical router setup, you can select QSFP+ transceivers based on your required distance and fiber type. Short-range SR4 modules are ideal for intra-data center links, while LR4 and extended-range modules support campus or metro networks. All recommended modules are RoHS compliant, ensuring eco-friendly and reliable high-speed connectivity .
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