Migrating to 400G? Choosing the Right Option (Part 4)
Posted by Admin on 2023 Jul 28th
Between Leaf & Spine and Spine & DCI connectivity options
Optics Type: 400G-FR4
Description: Up to 2km over 1 SM fiber pair, using four
100G PAM4 optical signals muxed on the fiber pair. LC connector is used.
Fiber Type & fiber connector: Single-mode fiber,
Duplex LC connector
Use Case: Usually used between leaf, spine & DCI
within data centers, or across data centers for up to 2km use
Optics Type: 400G-2FR4
Description: Up to 2km over 2 SM fiber pairs, each fiber pair carrying 200G using four 50G PAM4 optical signals muxed on each fiber pair. CS connector is used.
Fiber Type & fiber connector: Single-mode fiber, Duplex LC connector
Use Case: It is used to double bandwidth for each fiber pair, moving from 100G CWDM4 to 200G FR4
