Data processing system for transmitting data between a host proc

Details Data processing system for transmitting data between a host proc Data processing system for transmitting data between a host proc

1990-11-28

1993-04-20

Richardson, Robert L.

395275, G06F 1300

Patent

active

052049507

ABSTRACT:
A data processing system having a host unit generating a command and address, a local channel control device which is connectable to the host unit for receiving the command and the address, a remote channel control device, and a control unit connected to the remote channel control device. The local channel control device generates an initial status responsive to the command and address from the host unit, and sends the initial status to the host unit. The remote channel control device and the control unit likewise receive the command and address, and the control unit controls an I/O device responsive and the command and address. The host unit responds to the initial status to control the connection and disconnection between the local channel control device and the host unit. Connection and disconnection between the remote channel control device and the control unit can also be controlled.

REFERENCES:
patent: 4015243 (1977-03-01), Kurpanek et al.

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