Cisco 10GBASE-DWDM 1559.79 nm SFP+ (100-GHz ITU grid)

The Cisco 10GBASE-DWDM 1559.79 nm SFP+ (100-GHz ITU grid) is a high-performance optical transceiver engineered for demanding data networking and optical network applications. This 10 Gigabit-capable SFP+ module leverages dense wavelength-division multiplexing (DWDM) to maximize fiber capacity, reduce network footprint, and simplify scalable growth across data centers, campus backbones, and metro links. Built for Cisco environments, it delivers reliable, low-latency connectivity that helps IT teams accelerate service delivery, optimize network utilization, and lower your total cost of ownership.

• 10GBASE-DWDM SFP+ transceiver enabling scalable 10 Gbps optical connectivity over DWDM networks, ideal for high-density data center and enterprise deployments.
• Wavelength specification of 1559.79 nm on the 100-GHz ITU grid, providing precise channel spacing for spectral efficiency and robust long-haul or metro reach.
• SFP+ form factor with a hot-swappable design for quick field upgrades and minimal downtime in crowded rack environments.
• Digital Diagnostics Monitoring (DDM/DOM) support for real-time monitoring of optical power, temperature, and other critical parameters to simplify maintenance and improve reliability.
• Designed for Cisco networks and compatible DWDM deployments, delivering Cisco-grade quality, rigorous testing, and dependable performance in demanding operating conditions.

Technical Details of Cisco 10GBASE-DWDM 1559.79 nm SFP+ (100-GHz ITU grid)

• Product type: 10GBASE-DWDM SFP+ transceiver
• Wavelength: 1559.79 nm
• ITU grid: 100 GHz
• Data rate: 10 Gbps
• Form factor: SFP+
• Interface: 10GBASE-DWDM optical transceiver
• Connector type: LC duplex
• Fiber type: Single-mode fiber (SMF) recommended for DWDM links
• Operating concept: Hot-swappable module designed for Cisco devices and standard DWDM networks

How to install Cisco 10GBASE-DWDM 1559.79 nm SFP+ (100-GHz ITU grid)

• Verify that the host device supports 10GBASE-DWDM SFP+ modules and that an SFP+ slot is available for insertion.
• Power down the device only if your hardware requires it; many Cisco platforms support hot-swapping of SFP+ modules, allowing installation with minimal interruption.
• Carefully orient the SFP+ module and insert it into the vacant SFP+ slot until it seats with a secure click.
• Connect the optical fiber using an LC duplex patch cord, ensuring proper polarity and alignment with the DWDM channel plan for your link.
• Power on (if applicable) and configure the network device to bring up the interface; verify the link status and perform basic throughput checks. Use the device’s diagnostics tools to monitor optical power and temperature if DOM/DDM is supported.

Frequently asked questions

• Q: What is the Cisco 10GBASE-DWDM 1559.79 nm SFP+ (100-GHz ITU grid)?
  A: It is a 10 Gbps DWDM SFP+ optical transceiver designed for Cisco networks, featuring a 1559.79 nm wavelength on the 100 GHz ITU grid to enable dense channel spacing and scalable DWDM deployments.
• Q: Is this module hot-swappable?
  A: Yes. SFP+ modules are typically hot-swappable, allowing insertion or removal with minimal downtime in supported Cisco systems.
• Q: What type of fiber is required?
  A: This DWDM SFP+ module is intended for single-mode fiber (SMF) with LC duplex connectors. Always match the fiber type and connector to your network design and DWDM equipment.
• Q: Can I use this module with third-party switches or routers?
  A: While the module is designed for Cisco environments and Cisco devices, DWDM transceivers may have varying levels of interoperability with non-Cisco equipment. Check vendor compatibility matrices and test in a controlled environment before deployment.
• Q: Does it support Digital Diagnostics Monitoring (DDM/DOM)?
  A: Many Cisco SFP+ DWDM modules include DOM/DDM support, providing real-time optical parameter readings to help with maintenance and performance optimization.
• Q: How do I determine the appropriate DWDM channel for this module?
  A: The 1559.79 nm wavelength places this transceiver on a specific 100 GHz ITU grid channel. Your DWDM backbone should be designed to accommodate this channel spacing, with compatible multiplexers, demultiplexers, and optical amplifiers configured accordingly.