Fiber Service Units – T1/E1 and C37.94
RFL offers two types Fiber Service Units (FSU) for substation or industrial applications, this includes one for protective re-laying that complies to the IEEE C37.94 standard and another for T1/E1 applications. The C37.94 units offer a multitude of electrical interfaces for diverse applications (X.21, V.35, RS-449, G.703 and E1) and are also available with non-standard single mode fiber options. The T1/E1 units can be used with multi-mode and single mode fiber over varying distances and are also compatible with the optics on IMUX 2000 multiplexers. Both standard units are designed for wall mounting, however, rack mount options are available for both FSU’s with 1RU (1.75") and 3RU (5.25") 19" rack mount chassis.