Cisco 10GBASE-DWDM 1541.35 nm SFP+ (100-GHz ITU Grid)

Unlock scalable, high-capacity connectivity with Cisco's 10GBASE-DWDM SFP+ transceiver, purpose-built for dense wavelength-division multiplexing networks. Centered on a precise 1541.35 nm wavelength that sits on the 100 GHz ITU grid, this module delivers reliable 10 Gbps data transfer over single-mode fiber, enabling efficient long-haul and metro deployments. Engineered for data networking and optical networking environments, the SFP+ form factor supports hot-swapping and straightforward integration into a wide range of Cisco devices and compatible third‑party equipment. Whether you’re upgrading an existing DWDM backbone or designing a new 10G DWDM link, this Cisco SFP+ module is designed to meet demanding enterprise and service-provider requirements with tight channel spacing, robust interoperability, and dependable performance across diverse conditions.

• Wavelength precision on 1541.35 nm aligned to the 100 GHz ITU grid, enabling dense channel spacing and efficient use of fiber capacity. Precise wavelength control minimizes cross-channel interference, supporting higher network density and easier fiber management in multi‑link deployments.
• 10 Gbps data rate delivers robust performance for enterprise data centers, campus networks, and service-provider backbones. This DWDM SFP+ module provides reliable throughput, low error rates, and consistent performance across a range of metropolitan and long‑haul scenarios.
• SFP+ form factor with LC duplex connector for seamless integration into standard switches, routers, and optical transport platforms. The hot-swappable design minimizes downtime during upgrades and maintenance while preserving network uptime and service continuity.
• Single-Mode Fiber (SMF) compatibility optimized for long-haul and metro links. This transceiver is designed to work with high‑quality SMF networks, enabling cost‑effective interbuilding connectivity and data center interconnects on DWDM rings.
• Cisco-grade reliability and interoperability built to perform in Cisco environments and across a broad ecosystem of DWDM components. Expect dependable operation in mixed vendor networks, strong technical support, and straightforward integration with existing infrastructure.

Technical Details of Cisco 10GBASE-DWDM 1541.35 nm SFP+ (100-GHz ITU grid)

• Wavelength: 1541.35 nm
• ITU grid: 100 GHz (ITU-T grid) for dense channel allocation
• Data rate: 10 Gbps (10GBASE-DWDM)
• Form factor / Connector: SFP+ with LC duplex connector
• Fiber type: Single-Mode Fiber (SMF) compatibility
• Application: Data Networking and Optical Networking environments requiring DWDM capability
• Interoperability: Designed to operate with Cisco devices and compatible DWDM systems in mixed environments

How to install Cisco 10GBASE-DWDM 1541.35 nm SFP+ (100-GHz ITU grid)

• 1. Verify compatibility – Before installation, confirm that your switch or router supports SFP+ interfaces and DWDM channels at 1541.35 nm on the 100 GHz ITU grid. Review vendor compatibility lists and ensure the device firmware or OS is current to enable DWDM operation and 10GBASE services.
• 2. Prepare the fiber and connector – Use high‑quality single‑mode fiber and clean both ends of the LC connectors. Remove any dust, residue, or oils from the connectors to prevent insertion loss and maintain optimal optical performance. Inspect fiber for MACRO bends and damage that could impact signal integrity.
• 3. Insert the transceiver – With the device powered on or off (depending on your vendor guidance), insert the SFP+ module into an available SFP+ slot until it seats firmly and the module latch engages. Confirm the module is recognized by the device’s management interface and that the link LED indicators (if applicable) illuminate as expected.
• 4. Connect the fiber link – Attach the LC duplex fiber to the transceiver and route to the neighboring DWDM node or switch port. Ensure correct polarity and reach for the intended channel. Avoid excessive strain on cables and maintain proper bend Radius to preserve signal quality.
• 5. Configure the network interface – On the host device, set the interface speed to 10 Gbps and enable the appropriate DWDM channel configuration if required by your network design. Disable any conflicting auto-negotiation settings and apply the correct service profile for 10G DWDM transport.
• 6. Validate the link and monitor performance – After physical and logical configuration, verify the link status, perform basic throughput tests, and monitor the interface for BER, error counters, and SFP+ health (if your device offers Digital Optical Monitoring or equivalent tools). Document performance metrics for ongoing SLA compliance.

Frequently asked questions

What is the significance of 1541.35 nm on the 100 GHz ITU grid?

The 1541.35 nm wavelength sits precisely on the ITU-T 100 GHz grid, which is used to allocate DWDM channels with tight spacing. This exact wavelength allows multiple DWDM channels to coexist on a single fiber with minimal interference, enabling scalable network capacity. For organizations building 10G DWDM backbones or adding additional 10G links to an existing DWDM ring, this channel is a common and well-supported option that aligns with industry standards and vendor ecosystems.

Is this Cisco SFP+ DWDM module hot-swappable?

Yes. The SFP+ form factor is designed to be hot-swappable in supported devices, allowing you to replace or upgrade transceivers with minimal downtime. Always follow your device’s manufacturer guidelines for hot-swapping and ensure you have proper backups and cutover plans in place when performing maintenance in production environments.

What devices or environments is this transceiver compatible with?

The module is designed for Cisco devices and is intended to operate in environments that support 10GBASE-DWDM and SFP+ interfaces. It also maintains interoperability within mixed DWDM ecosystems, provided vendor-specific compatibility considerations are met. Always check the vendor’s compatibility matrix and update firmware where required to ensure seamless operation across different platforms and optical components.

What kind of fiber should I use with this transceiver?

This transceiver is optimized for Single-Mode Fiber (SMF). Use high-quality SMF with LC duplex connectors and maintain proper fiber conditioning, cleaning, and handling practices. SMF supports longer reach and reduced attenuation, which is ideal for DWDM deployments spanning campuses, metro distances, or interbuilding links.