Maximum reach depends on the exact Ethernet standard, transceiver, fibre category, connector loss, splices and installation quality. Jacket and connector colours are common identification cues but are not universal. Confirm the markings and both transceiver datasheets before connecting or purchasing fibre.

Important: Do not rely on this result alone for purchasing, configuration, security, safety, compliance, contractual or fault-diagnosis decisions. Results can be incomplete, delayed, misleading or wrong. Verify important findings with the relevant provider, manufacturer documentation and an appropriate independent test or qualified professional.