The Panasonic/SUNX FT-6V is a thru-beam type fiber optic cable that was discontinued in 2007. While discontinued, it offered features like high resistance to repeated bending and compact routing. Recommended replacements, such as the FT-H30-M1V-S, provide improved heat resistance (up to 300°C) and a sensing range of 250mm. The FT-J8 atmospheric side fiber is included as an accessory with the recommended replacements. Refer to the SUNX website or catalog for detailed specifications and replacement options.