Special Features:

Bprovides an interface between the un331b processor and the small computer system interface (scsi) bus for access to the mass storage system (mss) such as a disk drive. It also provides tdm network control for the ppn, and terminates 1 end of the processor-multiplexed bus, the un332c allows the interface of the definity to the tn2211 optic disk drive. The circuit pack includes the scsi host adapter, the archangel and the tone/clock switching logic

Properties:

A self-contained item which permits the transfer of information between various types of computer support equipment and computers which would not otherwise be compatible. Excludes modem, communication; expander card, computer, automatic data processing; circuit card assembly; and cable assembly (as modified).