FANUC A20B-8001-0290 HSSB Interface Board

FANUC A20B-8001-0290 HSSB Interface Board is a FANUC control-system module that provides the interface for the HSSB within compatible CNC controllers. It carries the part number A20B-8001-0290 and an internal reference of #167536, identifying a specific board in FANUC's A20B hardware family. Designed for integration with FANUC CNC systems that employ the HSSB architecture, this interface board serves as the bridge between the controller's central logic and HSSB-connected peripherals and subsystems. As part of the A20B lineup, it is intended to work with other A20B components and FANUC controllers that support HSSB, enabling reliable data exchange across the network. In typical maintenance or upgrade workflows for FANUC installations, this board is used to restore or extend HSSB connectivity within the control system. Because it carries the A20B-8001-0290 designation, it aligns with the broader FANUC product ecosystem and is often sourced to maintain compatibility with existing hardware and software configurations.