40G QSFP+ EZR4 100km DWDM 1550nm C-Band Optical Transceiver with Duplex LC for 40GBASE-EZR4

• Supports 40Gb/s data rate for high-bandwidth Ethernet applications
• QSFP+ form factor with hot-pluggable design for easy installation and maintenance
• Up to 100km transmission distance over single-mode fiber (SMF)
• 4-channel DWDM MUX/DEMUX optical architecture for C-band transmission
• Operates at 1550nm C-band DWDM wavelength with 100GHz ITU grid compatibility
• Integrated C-band DWDM EML transmitter for high-performance optical output
• APD receiver provides high sensitivity for extended transmission distances
• Duplex LC optical interface for standard fiber connectivity
• Single +3.3V power supply with low power consumption design
• Built-in Digital Diagnostic Monitoring (DDM) for real-time parameter monitoring
• Compliant with 40GBASE-EZR4 Ethernet transmission requirements

• 40G Ethernet long-distance network links
• Data center interconnect (DCI) applications
• Metropolitan Area Networks (MAN)
• Carrier-grade optical transport networks
• Long-haul enterprise backbone networks
• Optical communication infrastructure upgrades
• DWDM-based transmission systems

We provide flexible OEM and customization services to meet different network deployment requirements. The 40G QSFP+ EZR4 optical transceiver can be customized with specific wavelength configurations, labeling, firmware programming, housing designs, and compatibility settings for different networking platforms.

For large-scale projects and enterprise customers, we support customized solutions including vendor-specific coding, performance optimization, and application-based testing to ensure seamless integration with existing optical systems.

What makes the 40G QSFP+ EZR4 different from standard 40G QSFP+ transceivers?

The 40G QSFP+ EZR4 is designed for extended-distance transmission up to 100km, while many standard QSFP+ modules are optimized for shorter links. It uses DWDM C-band technology, EML laser transmission, and APD reception to achieve higher optical performance for long-distance network applications.

Can this 40G QSFP+ EZR4 module work with existing DWDM networks?

Yes. This module operates on the C-band DWDM spectrum with a 100GHz ITU grid wavelength plan, making it suitable for integration into compatible DWDM transport networks. Specific channel wavelength requirements can be customized according to deployment needs.

What type of fiber is required for this optical transceiver?

The module is designed for use with single-mode fiber (SMF), typically OS2 fiber, which supports long-distance transmission with lower optical attenuation compared with multimode fiber.

Does this module support monitoring of optical parameters?

Yes. The built-in Digital Diagnostic Monitoring (DDM) function provides real-time information such as temperature, supply voltage, transmitter bias current, and optical power levels to help with network maintenance and troubleshooting.

What network equipment is compatible with this QSFP+ EZR4 transceiver?

The module can be customized with different EEPROM coding options to support compatibility with various switches, routers, and optical transport equipment from major networking vendors. Compatibility verification is recommended before large deployments.