Quatech ES-100 - page 13

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8Quatech ES-100D User's Manual

Contents

Main Page Warranty Information Page Compliances - Electromagnetic Emissions EC - Council Directive 89/336/EEC FCC - Class B 1. GENERAL INFORMATION 2. INSTALLATION SW1 SW2 J2 Figure 2 --- Diagram of ES-100D Quatech ES-100D User's Manual 3 3. ADDRESSING PORTS Setting the address Figure 4 --- Examination of a serial port base address SW2 Quatech ES-100D User's Manual 5 SW1 SW2 4. INTERRUPT LEVEL (IRQ) --- J2 Interrupt Sharing Interrupt Status register Page Page 5. EXTERNAL CONNECTIONS Quatech ES-100D User's Manual 9 Modem Telephone line DCE DCE DTE Channel Output Configuration D-78 connector D-25 connectors on the adapter cable Dashed lines delineate channels Pins 25, 30, 35, 64, 69, 74 unused Figure 12 --- ES-100D output connectors Quatech ES-100D User's Manual 11 6. SERIAL PORT FUNCTIONAL DESCRIPTION Accessing the Serial Port registers INTERRUPT ENABLE REGISTER INTERRUPT IDENTIFICATION REGISTER Figure 16 --- Interrupt Identification Register bit decoding Quatech ES-100D User's Manual 15 FIFO CONTROL REGISTER (16550 only) LINE CONTROL REGISTER Quatech ES-100D User's Manual 17 Figure 18 --- Line Control Register bit definitions MODEM CONTROL REGISTER LINE STATUS REGISTER MODEM STATUS REGISTER SCRATCHPAD REGISTER FIFO INTERRUPT MODE OPERATION (16550 UART only) FIFO polled mode operation (16550 UART only) BAUD RATE SELECTION 7. SPECIFICATIONS 8. TROUBLESHOOTING