Xerox 4050, Справочник изделия

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HARDWARE COMPONENTS
System controller
The system controller provides the interface capability, data
handling, formatting, buffering, and operator control for the LPS.
It contains the input subsystem and the control subsystem
electronics.
The input subsystem provides interfacing capabilities (online,
offline, Ethernet, OEM, and DEC) for a variety of input sources
(host, magnetic tape, workstations, and graphic scanners).
The control subsystem performs all data handling, formatting,
buffering, and operational control of the system.
The standard system controller components are the terminal,
system controller panel, floppy disk drive, and the system disks.
System controller components
The standard system controller components are the floppy disk
drive, the system disks, the system controller panel, and the
terminal. Figure 2-2 shows the standard and optional system
controller components.
Figure 2-2. LPS system controller
1. 9-track magnetic tape drive
2. Floppy disk drive
3. System controller panel
4. Terminal and keyboard
XEROX 4050/4090/4450/4650 LPS PRODUCT REFERENCE 2-3