DEC KFQSA-SA QBUS 2-CHAN DSSI CTRL DEC

Description

The DEC KFQSA-SA is a controller card designed for Digital Equipment Corporation's QBUS architecture, a popular bus used in many PDP-11 and early VAX systems. This specific card provides two channels of DSSI (DECnet/System Data Interconnect) connectivity. DSSI was a high-speed, peer-to-peer interconnect developed by DEC, primarily used for connecting multiple systems together or for connecting high-performance peripherals like disk arrays and tape drives. By offering two DSSI channels, the KFQSA-SA allows a QBUS system to interface with up to 22 other DSSI devices (each channel supports 11 devices, including the host). This makes it a versatile component for building clustered systems, distributed storage solutions, or for integrating specialized high-speed devices that utilized the DSSI protocol. The QBUS interface ensures compatibility with a wide range of DEC legacy systems. This controller card is essential for environments that rely on DSSI for system communication and data transfer. It enables DEC systems to participate in a DSSI network, facilitating data sharing, distributed processing, and high-performance I/O operations. The KFQSA-SA represents a key piece of DEC's networking and storage strategy for its QBUS-based product lines.

Condition: Refurbished