Quatech RS-422 user manual Table of Contents

			Table of Contents
1	General Information			. 1
	1.1	Optional Features		. 2
		1.1.1 "IND" Option --- Surge Suppression Upgrade		. 2
		1.1.2	"750" Option --- UART Upgrade	. 2
2	Hardware Configuration			. 3
	2.1	RS-422 or RS-485 Signal Line Termination		. 3
	2.2	Signal Connections		. 4
	2.3	Full-duplex/Half-duplex Operation		. 4
	2.4	Clock Rate and Optional Registers		. 5
		2.4.1 Enable Scratchpad Register (SPAD, J13)		. 5
		2.4.2 Force High-Speed UART Clock (X2, X4, or X8,
		J10-J12)		. 6
3	Hardware Installation			. 7
4	Address Map and Special Registers			. 8
	4.1	Base Address and Interrupt Level (IRQ)		. 8
	4.2	Enabling the Special Registers		. 9
	4.3	Interrupt Status Register		. 9
	4.4	Options Register		10
		4.4.1 Enhanced Serial Adapter Identification		10
		4.4.2	Clock Rate Multiplier	11
5	Windows 95 Configuration			12
	5.1	Using the "New Hardware Found" Wizard		12
	5.2	Viewing Resources with Device Manager		13
6	Other Operating Systems			16
	6.1	Windows NT		16
	6.2	OS/2	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	16
	6.3	DOS and other operating systems		16
		6.3.1	QTPCI.EXE	17
7	External Connections			19
	7.1	RTS/CTS Handshake		20
	7.2	RCLK	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	20
	7.3	XCLK	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	21
	7.4	AUXIN/AUXOUT Loopback		21
	7.5	Half-Duplex/Full-Duplex Selection		22
	7.6	Termination Resistors		24
	7.7	RS-422/485 Peripheral Connection		25
8	PCI Resource Map			26
9	Specifications			27
10	Troubleshooting			28
DSCLP-200/300 User's Manual				iii