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Cisco NCS 2000 400 Gbps XPonder Line Card - For Optical NetworkOptical Fiber10 Gigabit Ethernet, 40 Gigabit Ethernet, 100 Gigabit Ethernet - 10GBase-X, 40GBase-X, 100GBase-X, 100GBase-DWDMCFP2, QSFP+, QSFP28-NCS2K-400G-XP= : Available at IT
Cisco - QSFP-DD transceiver module - 400 Gigabit LAN - QDD-400G-FR4-S= - Transceiver Modules - CDW.com
![Figure 2 from 400 Gigabit Ethernet using advanced modulation formats: Performance, complexity, and power dissipation | Semantic Scholar Figure 2 from 400 Gigabit Ethernet using advanced modulation formats: Performance, complexity, and power dissipation | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/1de55d68e52753b122e4b3005a8b7d53eb01785e/3-Figure2-1.png)
Figure 2 from 400 Gigabit Ethernet using advanced modulation formats: Performance, complexity, and power dissipation | Semantic Scholar
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