Cisco OC-3/STM-1 LR1/L-1.1, 1310 nm SMF, SFP, ITEMP

Discover Cisco’s high-performance, pluggable optical module engineered for the Cisco ONS multiservice platforms. The OC-3/STM-1 LR1/L-1.1 SFP delivers long-reach transport over single-mode fiber using a 1310 nm wavelength, combining Cisco’s reliability with flexible, cost-effective scalability for carrier-grade networks and enterprise backbones alike. Designed to integrate seamlessly with existing Cisco infrastructure, this LR1/L-1.1 module provides long-haul capability without forcing a complete network rebuild. It’s built to support OC-3/STM-1 traffic in metropolitan rings, regional backbones, and data-center interconnects, offering a compact, hot-swappable form factor that minimizes downtime and simplifies inventory. By leveraging the familiar SFP interface, administrators can rapidly deploy this module into standard SFP slots, enabling rapid service provisioning, straightforward upgrades, and easy integration with Cisco management tools. The combination of 1310 nm single-mode fiber optimization and Cisco’s engineering rigor translates into stable performance, robust diagnostics, and dependable operation in challenging environments—from climate-controlled data centers to field deployments. This transceiver is suitable for service providers seeking a scalable upgrade path and enterprises aiming to consolidate transport layers, delivering a cost-efficient step toward higher-capacity networks without compromising reliability or security. Expect predictable link budgets, strong eye safety margins, and tight interoperability with Cisco ONS platforms, ensuring that your transport layer remains resilient under load while offering ample headroom for future growth.

• Flexibility and compatibility: Seamlessly integrates with Cisco ONS multiservice platforms, supporting OC-3/STM-1 LR1/L-1.1 service frames and enabling smooth migration, upgrades, and multi-service transport without disruptive network changes.
• 1310 nm SMF technology: Optimized for single-mode fiber, this module uses the 1310 nm window to minimize attenuation and dispersion, providing reliable long-distance transport for OC-3/STM-1 signals across fiber plants that span campuses, metro areas, and regional networks.
• Compact SFP form factor: Pluggable into standard SFP slots with hot-swappable design, reducing downtime during maintenance and enabling dense port configurations in high-performance chassis and shelf environments.
• Cost-effective, future-ready: Part of Cisco’s broad pluggable optical module portfolio, offering flexible client-interface options and a consistent upgrade path as your network evolves—from OC-3/STM-1 to higher capacity transports on the same management and provisioning framework.
• Reliability and industry-grade standards: Built to Cisco’s rigorous quality and interoperability standards, with robust thermal, electrical, and EMI specifications designed for enterprise, data-center, and telecom deployments, ensuring steady operation under real-world conditions.

Technical Details of Cisco OC-3/STM-1 LR1/L-1.1

• Get this information from the "specifications" section of the product from https://ec.synnex.com/ using product "UPC" or "SKU" as reference

how to install Cisco OC-3/STM-1 LR1/L-1.1

• Power down the host device or disable the SFP slot as recommended by Cisco before insertion to minimize the risk of electrostatic discharge or interface damage.
• Insert the SFP module firmly into the SFP cage until the latch engages with a decisive click, ensuring the connector aligns properly with the host transceiver port.
• Connect the single-mode fiber patch leads to the LC connector of the transceiver, taking care to keep connectors clean and free of dust or oils that could degrade signal integrity.
• Power up the equipment and monitor link status, light levels, and alarm indicators through your network management system to confirm a healthy optical path.
• Configure the transport interface for OC-3/STM-1 LR1/L-1.1 timing, framing, and clock distribution as required by your topology, then perform end-to-end validation with loopback tests and throughput checks to confirm service readiness.

Frequently asked questions

• What does LR1/L-1.1 mean for OC-3/STM-1? It denotes a long-reach variant optimized for 1310 nm single-mode fiber, enabling extended transport distances while maintaining compatibility with Cisco ONS platforms and standard OC-3/STM-1 signaling.
• Is this module hot-swappable? Yes. The SFP form factor is designed for hot-swapping in supported Cisco chassis and ONS platforms, allowing maintenance windows with minimal service interruption.
• What interfaces does it support? The module uses an SFP interface configured for OC-3/STM-1 transport over SMF, typically using standard LC fiber connectors and Cisco management tooling for provisioning and monitoring.
• What is the typical wavelength? The module operates at 1310 nm, a wavelength chosen for favorable attenuation and dispersion characteristics in single-mode fiber commonly used in metropolitan and regional transport.
• Where can I find more technical specs? Check the official Cisco documentation and the Synnex specifications page for SKUs/UPC details, as those sources provide the exact product parameters and compatibility matrix.