Chapter 1 Introduction 3
Features
• Four independent RS-232, RS-422 or RS-485 serial ports
• Each port is individually configurable to RS-232, RS-422 or RS-485
(Jumper selectable)
• 16C550 UARTs for PCL-746+
• Speed up to 115 Kbps
• Complete RS-232 modem-control signals
• Up to two cards for a total of eight ports in one system
• Interrupts jumper selectable, IRQ 3, 4, 5, 7, 9, 10, 11, 12 or 15
• On-board interrupt status register for greater throughput
• Compatible with standard PC ports: COM1, COM2, COM3 or COM4
• RS-422 or RS-485 modes jumper selectable
• Automatic data flow control in RS-485 mode
• Supports 2-wire or 4-wire RS-422/RS-485 operation
• Space reserved for terminator resistor
• Space reserved for optional surge protection on all port lines
(RS-422/RS-485 mode only)
• LED indicators on each port indicate data flow
• Compatible with Arnet 4-port cards supporting SCO UNIX/XENIX
Содержание PCL-746+
Страница 2: ......
Страница 4: ...Chapter 1 Introduction 1 1 Introduction C H A P T E R ...
Страница 9: ...6 PCL 746 User s Manual ...
Страница 10: ...Chapter 2 Hardware Installation 7 2 Hardware Configuration C H A P T E R ...
Страница 12: ...Chapter 2 Hardware Installation 9 PCL 746 Switch and Jumper Layout ...
Страница 20: ...Chapter 2 Hardware Installation 17 S5 DIP switch settings 000H to 110H ...
Страница 21: ...18 PCL 746 User s Manual S5 DIP switch settings 120H to 230H ...
Страница 22: ...Chapter 2 Hardware Installation 19 S5 DIP switch settings 240H to 350H ...
Страница 23: ...20 PCL 746 User s Manual S5 DIP switch settings 360H to 3F0H ...
Страница 24: ...Chapter 3 Installation 21 3 Installation C H A P T E R ...
Страница 26: ...Chapter 4 Software Installation UNIX Users 23 4 Software Installation For UNIX Users C H A P T E R ...
Страница 30: ...Chapter 5 Wiring 27 5 Wiring C H A P T E R ...
Страница 36: ...Appendix A Connector Pin Assignments 33 A Connector Pin Assignments A P P E N D I X ...
Страница 39: ...3 6 PCL 746 User s Manual PCL 746 DB 37 Four Port Connectors DB 25 PCL 746 Pin assignment for RS 485 ...
Страница 40: ...Appendix B PC I O Address Reference 37 B PC I O Address Reference A P P E N D I X ...