Serial Fiber-Optic Communications
Apply low-cost point-to-point serial fiber-optic communications hardware using fiber-optic transceivers/modems and optical cables.
- Serial Fiber-Optic Converters

Use optical fiber to improve safety and security of teleprotection applications.
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- Serial Fiber-Optic Remote Input Output

Expand the I/O of SEL relays that are Mirrored Bits® communications compatible without modification to the control panel face. Make I/O status from any relay available to SEL Mirrored Bits communications schemes. Use fiber-optic cable between protection and telecommunications devices to avoid ground paths and induced noise interference.
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