Quatech DSC-200 Address Map and Special Registers, RS-422 or RS-485 Signal Line Termination

1.1.1 "IND" Option --- Surge Suppression Upgrade

1 General Information

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2 Hardware Configuration		9
2.1	RS-422 or RS-485 Signal Line Termination	9
2.2	Signal Connections	10
2.3	Full-duplex/Half-duplex Operation	10
2.4	Clock Rate and Optional Registers	11
2.4.1 Enable Scratchpad Register (SPAD, J13)		11
2.4.2 Force High-Speed UART Clock (X2, X4, or X8,
J10-J12)		12
3 Hardware Installation		13
4 Address Map and Special Registers		14
4.1	Base Address and Interrupt Level (IRQ)	14
4.2	Enabling the Special Registers	15
4.3	Interrupt Status Register	15
4.4	Options Register	16
4.4.1 Enhanced Serial Adapter Identification		16
4.4.2 Clock Rate Multiplier		17
5 Windows Configuration		18
5.1	Windows Millennium	18
5.2	Windows 2000	19
5.3	Windows 98	20
5.4	Windows 95	21
5.5	Using the "New Hardware Found" Wizard	23
5.6 Windows NT		24
6 DOS and Other Operating Systems		25
6.1.1 QTPCI.EXE		25
7 OS/2		28
8 External Connections		29
8.1	RTS/cts Handshake	30
8.2 RCLK		30
8.3 XCLK		31
8.4 AUXIN/AUXOUT Loopback		31
8.5	Half-Duplex/Full-Duplex Selection	32