The EXFO FTB-7400E-CWS-EA SM iOLM OTDR Module Card is a modular OTDR option for the EXFO FTB-7400E test platform that enables single‑mode iOLM OTDR testing. It supports measurement wavelengths of 1470, 1490, 1510, and 1530 nm. Part number FTB-7400E-CWS-EA, this card integrates into the chassis to expand its OTDR capabilities for SM fiber networks.
