Computer hardware cabinets (6), from TOSBAC (Toshiba Scientific and Business Computer) computer system, metal / plastic / electronic components, made by Toshiba Corporation, Tokyo, Japan, 1983, used by Transgrid NSW, Sydney, New South Wales, Australia, 1985-2003
The six computer hardware cabinets are of an aluminium outer construction with a cream coloured enameled finish. Although the cabinets appear similar, the components that the cabinets house perform different tasks.
The Training cabinet contains a simulation panel, twenty six removable circuit boards and a power supply with voltage meter. There are two manuals in the inside of the door of this cabinet.
The Monitor Panel cabinet contains a monitor with an analogue display and thirty two removable circuit boards. Attached to the inside of the door of the cabinet are four laminated A4 sheets with instructions on monitoring, and an unlaminated foolscap sheet with further handwritten instructions.
The Power Supply Unit cabinet contains the power supply distribution apparatus for the TOSBAC system.
The CPU 1 cabinet features a control panel rebated into the door. Inside it contains two power supply units, and sixty six removable circuit boards. There are three pages of handwritten log in the door.
The data tape cabinet features two reel to reel data capture systems - one above the other. The top system is for half hour snap shot data capture, the bottom system is for demand capture. The data tape is twenty four foot, 800 bits per inch tape.
The ARC 3 (Auxilury Relay Cabinet) contains a power supply, and a relay system .
Training Cabinet: Type MAP10M20S; Production No 3601200, FK2764, Manufactured September 1983; The Electricity Commission of NSW Transmission Division No CA/D725
Monitor Panel: Type MAP10M20S; Production No 3601200, FK0752, FK0753; Manufactured September 1983; The Electricity Commission of NSW Transmission Division No CA/D707
Power Supply Unit: Model PSU8001A001; Serial Number PD7012; The Electricity Commission of NSW Transmission Division No CA/D736
1CPU1 Cabinet: Model PSU8001A001 and PSO317A001; Serial Number PD7052 and 7002
ARC 3 Cabinet: Product Number 3601200FK2664; Serial Number 8351153; Manufactured January 1983; The Electricity Commission of NSW Transmission Division No CA/D722