Optical
The fiber in the link is divided into two specifications: single-wire and double-wire.
The single-wire specification is 1 fiber optic connector at each end, for a total of 2 connectors.
The two-wire specification is 2 fiber optic connectors at each end, for a total of 4 connectors.
A double line is two single lines glued together in parallel. The function is no different from a single line, but one more line.
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High-concerned chemical : None
Electronic : No
DIY Supplies : Electrical
Origin : Mainland China
Certification : NONE