Fiber-optic cabling contains long thin strands of fiberglass. The attached Ethernet nodes send light over the glass fiber in the cable, encoding the bits as changes in the light.
- Chapter 2. Fundamentals of Ethernet LANs
- from Cisco CCENT/CCNA ICND1 100-101 Official Cert Guide
- Publisher: Cisco Press
- Released: April 2013
How fiber-optics work
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