Quatech RS-485 IND Option --- Surge Suppression Upgrade, 2 AUX0SEL1,0, AUX1SEL1,0 J12,11,19,18

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1 General Information
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1.1	Features	. 6
1.1.1 "IND" Option --- Surge Suppression Upgrade		. 6
2 Hardware Configuration
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2.1	Signal Connections	. 7
2.2	Full-duplex/Half-duplex Operation	. 7
2.2.1 CTS0_SEL, CTS1_SEL (J10,17)		. 9
2.2.2 AUX0_SEL1,0, AUX1_SEL1,0 (J12,11,19,18)		. 9
2.2.3 RCLK0_SEL, RCLK1_SEL (J13, 20)		. 9
2.2.4 TGL0_SEL1,0, TGL1_SEL1,0 (J15,14,22,21)		. 9
2.2.5 RXEN0_SEL, RXEN1_SEL (J16, 23)		. 9
2.3	Clock Rate and Optional Registers	10
2.3.1 Enable Scratchpad Register (SPAD, J2)		10
2.3.2 Force High-Speed UART Clock (X2, X4, or X8, J3-J5)		10
3 Hardware Installation
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4 Address Map and Special Registers
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4.1	Base Address and Interrupt Level (IRQ)	13
4.2	Enabling the Special Registers	14
4.3	Interrupt Status Register	14
4.4	Quatech Modem Control Register	15
4.5	Options Register	16
4.5.1 Enhanced Serial Adapter Identification		16
4.5.2 Clock Rate Multiplier		17
5 Windows Configuration
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5.1 Windows Millennium		18
5.2 Windows 2000		19
5.3 Windows 98		20
5.4 Windows 1995		21
5.5 Windows NT		22
5.6	Viewing Resources with Device Manager	23
5.6.1 Changing Resource Settings with Device Manager		25
6 Other Operating Systems
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6.1	OS/2	30