Ziatech ZT 89CT39 REVISION D Circuit Board

The Ziatech ZT 89CT39 REVISION D Circuit Board is a STD32 bus arbiter plug-in board that coordinates access to the STD32 backplane across multiple system boards. Manufactured by Ziatech, this part (model ZT 89CT39) manages bus arbitration in multi-master or DMA-capable systems and is designed for installation in Slot “X” on the STD32 backplane. Commonly used in industrial computers and embedded computer systems, it supports coordinated access in multi-board configurations such as machine controllers, data acquisition systems, and transportation control systems where the STD32 bus arbitration is required for stable operation. Compatibility includes Ziatech STD32 SBC and I/O modules, and the component is categorized as legacy/obsolete with replacement options including ZT 89CT39 Rev C / D variants and the ZT 8971 STD32 bus extender.