NTCL01 Communication Link Termination Unit (6636997L1) from ABB Bailey Controls is a dedicated INFI-Net termination PCB card used to interface and terminate INFI-Net communications within Bailey control systems. The device is designed to be installed with INNIS01, NKSL01, INLIM03, and NKSL03 modules to complete INFI-Net networks. Dimensions are 8.0 in (length) x 2.0 in (width) x 7.0 in (height) – about 20.3 cm x 5.1 cm x 17.8 cm. Power input is specified as 24 V DC, 1 A. It is referenced in Bailey/ABB catalogs and third‑party listings as the NTCL01/6636997L1 termination unit.
