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How far can a Cisco LR SFP go?
Knowledge Base + 2024.01.10

Cisco offers LR (Long Range) SFP (Small Form-Factor Pluggable) transceivers for various networking applications. The Cisco LR SFP modules are typically designed for longer-distance transmissions over single-mode fiber (SMF).

The specific distance that a Cisco LR SFP can reach depends on the model and the networking equipment it is used with. In general, LR SFP modules are designed to support distances of up to 10 kilometers (km). However, it's important to note that the actual reach may be influenced by factors such as the quality of the optical fiber, environmental conditions, and the specific configuration of the networking equipment.

For accurate and up-to-date information regarding the reach of a specific Cisco LR SFP module, you should refer to the product documentation provided by Cisco or contact Cisco's support services. Cisco's official documentation will provide the detailed specifications, including the supported distances and other relevant parameters for each LR SFP module model.