Browse Prior Art Database

Operator Specifiable Communications Setup Parameters

IP.com Disclosure Number: IPCOM000087018D
Original Publication Date: 1976-Dec-01
Included in the Prior Art Database: 2005-Mar-03
Document File: 3 page(s) / 49K

Publishing Venue

IBM

Related People

Boyd, WW: AUTHOR

Abstract

This article describes an intelligent programmable terminal provided with communication capability and in which setup parameters, such as for communications, may be specified by the operator via suitable inputs provided with the terminal.

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Operator Specifiable Communications Setup Parameters

This article describes an intelligent programmable terminal provided with communication capability and in which setup parameters, such as for communications, may be specified by the operator via suitable inputs provided with the terminal.

The terminal illustrated in the drawing includes a control logic circuit which in response to coded signals, provided either by an input device or from the control program stored in the memory or both, controls the operation of the various devices. The control logic circuit is connected to an input/output bus which, in addition, is connected to a memory and a plurality of adapters designed to interface the coded data supplied from either the control logic or the memory to the connected device. The adapters include a communications adapter, a magnetic card adapter, a keyboard adapter, a printer adapter, a file adapter and a display adapter. Each of these adapters, in turn, is connected to the specific device with which it is designed to operate, and provides the necessary data translation and timing required for that device.

The control program stored within the memory includes complete default operating parameters which may be modified by the operator through a mechanism which will be described below. The control program in response to instructions provided by the operator will modify operation of the entire terminal device to conform to the parameters specified by the operator. When these parameters are provided, the default parameters are ignored and those specified by the operator are utilized.

The instructions inserted by the operator via any of the devices suitable for insertion, such as the magnetic card reader or the keyboard, include a specific field delimiter which may be an underscore or a carriage return followed by a unique combination of, at least, three alphabetic characters, each unique combination defining one of the instructions in the entire instruction set. The three alphabetic characters or more, as the case may be, are followed by specific formatted numeric fields which may define one or more parameters being set by the operator.

Listed below are a group of instructions for controlling communications in such a device: 1. Device assign This instruction provides the capability of assigning particular output devices to receive device select codes in lieu of standard default output devices. Thus, the operator can select a specific output device for a specific received device select code, and this selection is a function of a central processing unit (CPU) application program with which communication is to occur. 2. Block size This instruction specifies the block or buffer size of the terminal or CPU with which the device is communicating and also specifies the transmission block o...