What Is the CWDM-SFP10G-1510=? Technical Insights, Applications, and Availability

Introduction to the CWDM-SFP10G-1510=

The ​​CWDM-SFP10G-1510=​​ is a Cisco-branded optical transceiver module designed for high-speed data transmission over fiber-optic networks. As part of Cisco’s Coarse Wavelength Division Multiplexing (CWDM) portfolio, this module operates on the 1510nm wavelength and supports 10 Gigabit Ethernet (10GbE) connectivity. While Cisco.com provides limited public documentation, cross-referencing product codes and third-party data reveals its role in cost-effective, long-distance network deployments.

Key Technical Specifications

The CWDM-SFP10G-1510= is engineered for reliability and performance. Critical specifications include:

• ​​Wavelength​​: 1510nm (ITU channel 36).
• ​​Data rate​​: 10 Gbps.
• ​​Maximum reach​​: Up to 80 km (depending on fiber type and network conditions).
• ​​Connector type​​: LC duplex.
• ​​Power consumption​​: <1.5W.
• ​​Operating temperature​​: 0°C to 70°C (commercial-grade).

Compatibility and Interoperability

This module is ​​hot-swappable​​ and compatible with Cisco switches and routers that support SFP+ interfaces, including:

• Cisco Catalyst 4500/6500 Series.
• Cisco Nexus 3000/5000/7000 Series.
• ASR 9000 Series routers.

Primary Use Cases

The CWDM-SFP10G-1510= is ideal for scenarios requiring ​​high bandwidth over extended distances without signal degradation​​:

1. ​​Metro-Ethernet networks​​: Connects geographically dispersed data centers or offices.
2. ​​Telecom backhaul​​: Aggregates traffic from cell towers to core networks.
3. ​​Enterprise campus links​​: Extends 10GbE connectivity between buildings.

Advantages Over Standard SFP+ Modules

• ​​CWDM technology​​: Enables multiplexing of multiple wavelengths on a single fiber, reducing infrastructure costs.
• ​​Low latency​​: Optimized for real-time applications like VoIP or video conferencing.
• ​​Digital diagnostics​​: Built-in DOM (Digital Optical Monitoring) for real-time performance tracking.

Common Deployment Challenges

While the CWDM-SFP10G-1510= offers significant benefits, users often face hurdles such as:

• ​​Wavelength planning​​: Ensuring no overlap with existing CWDM channels.
• ​​Fiber compatibility​​: Verifying single-mode fiber (SMF) quality for distances >40 km.
• ​​Temperature sensitivity​​: Performance drops in industrial environments exceeding 70°C.

Sourcing the CWDM-SFP10G-1510=

Cisco’s official store lists this module as end-of-sale in some regions, but third-party suppliers like [“CWDM-SFP10G-1510=” link to (https://itmall.sale/product-category/cisco/) often stock new or refurbished units. When sourcing, prioritize vendors offering:

• ​​Cisco lifetime warranty​​ (for new modules).
• ​​90-day testing periods​​ for refurbished units.
• ​​Dual-rate compatibility​​ (1G/10G) for flexible deployments.

Frequently Asked Questions (FAQs)

​​Q: Does the CWDM-SFP10G-1510= support 1Gbps networks?​​
A: No—this module is designed exclusively for 10GbE. For 1Gbps, consider the CWDM-SFP-1510= variant.

​​Q: Can it operate with third-party CWDM systems?​​
A: Yes, but Cisco recommends using their DWDM/CWDM Mux Demux units for optimal performance.

​​Q: Is external amplification required for 80 km reach?​​
A: Typically not, but signal boosters may be needed if fiber loss exceeds 22 dB.

Final Perspective

From years of working with optical networking solutions, the CWDM-SFP10G-1510= stands out as a ​​pragmatic choice for scalable, high-capacity links​​. Its ability to maximize existing fiber infrastructure makes it indispensable for enterprises balancing performance and budget. While newer 25G/100G modules are gaining traction, the 10G CWDM market remains robust—especially in regions with legacy fiber investments. For organizations seeking reliable throughput without overhauling their backbone, this module, particularly through trusted refurbished channels, offers a compelling value proposition.