Quatech DSC-200, DSC-300 user manual 10Specifications

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10Specifications

Bus interface		PCI, 32-bit bus, 5-volt only
		IBM-compatible computers
Dimensions:		approx. 5.5" x 3.5"
Serial ports
Controller:		16750 with 64-byte FIFOs
Interface:		Two female D-9 connectors
Transceivers:		SP491 or compatible
Differential output:		2V min. with 50-ohm load (RS-422)
		1.5V min. with 27-ohm load (RS-485)
Output rise/fall time:		3ns min., 40ns max., 15ns typ.
Differential input
Threshold:		-0.2V min., +0.2V max.
Input resistance:		12k ohm min., 15k ohm typ.
Input current:		+/- 1.0mA max.
Power requirements
+5	volts:	approx. 320 mA
Temperature:		operating 0° to 70°
		storage -50°to 80°
Humidity:		10% to 90%

Quatech DSC-200/300 User's Manual

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Contents DSC-200/300 Warranty Information Page Declaration of Conformity Manufacturers Name Using the New Hardware Found Wizard RS-422 or RS-485 Signal Line TerminationAddress Map and Special Registers Base Address and Interrupt Level IRQPage General Information IND Option --- Surge Suppression Upgrade FeaturesFactory default signal termination settings Hardware ConfigurationFull-duplex/Half-duplex Operation Signal ConnectionsClock Rate and Optional Registers Enable Scratchpad Register SPAD, J13Clock multiplier jumper options Force High-Speed Uart Clock X2, X4, or X8, J10-J12Jumper/connector locations Hardware InstallationChannel Address Range Interrupt Status Register Enabling the Special RegistersBit Name Description Options RegisterRR1 RR0 Clock Rate MultiplierWindows Millennium Windows ConfigurationWindows Windows Windows Page Using the New Hardware Found Wizard Windows NT QTPCI.EXE DOS and Other Operating SystemsQTPCI.EXE Basic Mode display QTPCI.EXE Expert Mode display OS/2 Jumper/Channel correspondence External ConnectionsRclk RTS/CTS HandshakeAUXIN/AUXOUT Loopback XclkHalf-Duplex/Full-Duplex Selection Half- or full-duplex selection RS-422/485 Line termination resistance values Termination ResistorsRS-422/485 Peripheral Connection DSC-200/300 connector definitionsINTA# PCI Resource Map10Specifications Computer will not boot up TroubleshootingDSC-200/300 Revision June