Communications: electrical – Digital comparator systems
Patent
1976-01-05
1977-03-22
Springborn, Harvey F.
Communications: electrical
Digital comparator systems
G06F 100
Patent
active
040140059
ABSTRACT:
A configuration and control unit (CACU) is described for a heterogeneous multi-system containing processors which may be of different types, channels, one or more channel crossbar switches which may be of different sizes, various I/O channel switches, I/O control units and I/O devices. The CACU is the focal point in the multi-system for configuration control over all of these system heterogeneous components. The CACU enables the configuration of any switchable part of the entire multi-system to be established and changed at any time due to new processing requirements or failure of part or all of the system.
The CACU contains a parallel wire line (PWL) adapter for providing DC switching control over components connected through channel crossbar switches and/or channel I/O switches. The CACU also has a time multiplexed (TM) adapter connected via serial time multiplexed lines (TML's) to remote modem adapters (RM's) with devices controlled by or switched by the CACU. A TML can provide serial pulse control switching for components connected to channel crossbar and/or channel I/O switches, which transfer data directly from the processor channels whereby the data bypasses the CACU. A TML can also provide serial pulse data to other devices which have their data passed through and switched by the CACU for switchable communication with any processor. A persistent storage unit is providable in the PWL adapter and TM adapter for permanently storing the current configuration of PWL and TML connected units. Upon failure of any one or more units to the PWL adapter or TM adapter, the settings in the persistent storage devices can recover the operating configuration of devices in the multi-system.
REFERENCES:
patent: R27703 (1973-07-01), Stafford et al.
patent: 3200380 (1965-08-01), MacDonald et al.
patent: 3566358 (1971-02-01), Hasbrouch
patent: 3768074 (1973-10-01), Sharp et al.
patent: 3828321 (1974-08-01), Wilber et al.
patent: 3916383 (1975-10-01), Malcolm
Fox Joel Lawrence
Marquardt Eugene Everett
Goldman Bernard M.
International Business Machines - Corporation
Springborn Harvey F.
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