Optics 归档 - 夜莺博客

标签：Optics

100G and 400G Optics: LR4, ER4 and FR4 Reach Guide

100G and 400G Optics: LR4, ER4 and FR4 Reach Guide

Pick the right 100G/400G transceiver: SR4, DR4, FR4, LR4, ER4 and CWDM4 classes, real reach limits, connector types, FEC requirements and how to read

admin admin 2026-10-07
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Dell OS10 Hardware Health and Optics Diagnostics

Dell OS10 Hardware Health and Optics Diagnostics

Use Dell SmartFabric OS10 show commands to check PSU, fan, temperature and optic health: show environment, show interface transceiver and support bund

admin admin 2026-10-06
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QSFP-DD vs OSFP: Choosing 400G and 800G Form Factors

QSFP-DD vs OSFP: Choosing 400G and 800G Form Factors

QSFP-DD versus OSFP compared: size, thermal headroom, backward compatibility, which switches accept which, and how to choose for 400G and 800G.

admin admin 2026-10-02
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