Quatech RS-422 user manual DSCLP-200/300

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DSCLP-200/300

Two Channel RS-422/485 Asynchronous

Communications Adapter

for PCI bus

User's Manual

QUATECH, INC.	TEL:	(330) 434-3154
662 Wolf Ledges Parkway	FAX:	(330) 434-1409
Akron, Ohio 44311	http://www.quatech.com

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Contents DSCLP-200/300 Page Serial Number Declaration of Conformity Table of Contents General Information RS-422 or RS-485 Signal Line Termination Hardware ConfigurationFull-duplex/Half-duplex Operation Signal Connections2 AUX0SEL1,0, AUX1SEL1,0 J12,11,19,18 1 CTS0SEL, CTS1SEL J10,17RCLK0SEL, RCLK1SEL J13 4 TGL0SEL1,0, TGL1SEL1,0 J15,14,22,21 Enable Scratchpad Register SPAD, J2RXEN0SEL, RXEN1SEL J16 Clock Rate and Optional RegistersForce High-Speed Uart Clock X2 or X4, J4-J5 Enable scratchpad registersX4 mode Jumper/connector locations Hardware InstallationBase Address and Interrupt Level IRQ Address Map and Special RegistersInterrupt Status Register Enabling the Special RegistersQuatech Modem Control Register Quatech Modem Control RegisterEnhanced Serial Adapter Identification Options RegisterRR1 RR0 Clock Rate MultiplierWindows Millennium Windows ConfigurationsWindows Windows Windows Using the New Hardware Found Wizard Viewing Resources with Device Manager Page Page Page Windows NT Other Operating SystemsOS/2 DOS and other operating systemsQTPCI.EXE Basic Mode display QTPCI.EXE Expert Mode display 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 DSCLP-200/300 connector definitionsINTA# PCI Resource MapWith 64-byte FIFOs optional SpecificationsComputer will not boot up TroubleshootingDSCLP-200/300 Revision December