Quatech - DS-102

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Contents

DS 102 Dual Channel RS 232 Asynchronous Communications Adapter for ISA compatible machines QUATECH INC 662 Wolf Ledges Parkway Akron Ohio 44311 TEL 330 434 3154 FAX 330 434 1409 BBS 330 434 2481 Table of Contents I GENERAL INFORMATION 1 II INSTALLATION 2 III ENABLING AND ADDRESSING PORTS 4 Setting the ad dress 4 Enabling or disabling ports 6 IV SETTING INTERRUPT LEVELS IRQS 8 Interrupt Sharing 9 V EXTERNAL CONNECTIONS 10 VI SERIAL PORT FUNCTIONAL 14 DESCRIPTION Accessing the Serial Port registers 15 INTERRUPT ENABLE REGISTER 16 INTERRUPT IDENTIFICATION REGISTER 16 FIFO CONTROL REGISTER 16550only 18 LINE CONTROL REGISTER 19 MODEM CONTROL REGISTER 20 LINE STATUS REGISTER 21 MODEM STATUS REGISTER 22 SCRAT ...