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SEL-2505 Remote I/O Module
Apply SEL-2505 Remote I/O Modules to use two optical fibers instead of 32 wires to reduce costs, improve safety, and boost reliability.
SEL-2506 Rack-Mount Remote I/O Module
Rack-Mount Remote I/O Module with 8 digital inputs and 8 digital outputs using SEL Mirrored Bits communications.
SEL-2507 High-Speed Remote I/O Module
Connect the SEL-2507 to the SEL-T400L Time-Domain Line Protection or another SEL-2507 at 115.2 kbps to provide ultra-high-speed remote I/O.