IEEE Std 802.3cm-2020
URL: https://knowledge.ivjn.us/th/works/ieee-std-802-3cm-2020.html

IEEE Std 802.3cm-2020 是电气电子工程师学会的技术标准，题为“IEEE Standard for Ethernet -- Amendment 7: Physical Layer and Management Parameters for 400 Gb/s over Multimode Fiber”；公开目录标为已被替代（Superseded），著录年份为 2020 年。

**IEEE Std 802.3cm-2020**（IEEE Standard for Ethernet -- Amendment 7: Physical Layer and Management Parameters for 400 Gb/s over Multimode Fiber）是[电气电子工程师学会](https://knowledge.ivjn.us/th/organizations/ieee.html)的技术标准。公开目录将其标为已被替代（Superseded），著录年份为 2020 年，主题领域包括 Communication, Networking and Broadcast Technologies、Components, Circuits, Devices and Systems、Computing and Processing[^s1]。参见[IEEE 标准](https://knowledge.ivjn.us/th/concepts/ieee-standards.html)。

Updated: 2026-11-01

Tags:
- IEEE standard https://knowledge.ivjn.us/th/tags/ieee-standard.html

Relations:
- Published by: 电气电子工程师学会 https://knowledge.ivjn.us/th/organizations/ieee.html
- About: IEEE 标准 https://knowledge.ivjn.us/th/concepts/ieee-standards.html

Sources:
- IEEE Std 802.3cm-2020 — IEEE Xplore 题录 https://ieeexplore.ieee.org/servlet/opac?punumber=9052824 standard_number=802.3cm-2020; status=Superseded; modifier=
- IEEE Xplore All Standards（KBART） https://ieeexplore.ieee.org/otherfiles/IEEEXplore_Global_All-Standards.txt