Quatech RS-485 user manual Application. This mode is useful for legacy

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Loopback All

 

 

the application. This mode is useful for legacy

 

 

applications which cannot request baud rates over

 

 

115.200.

 

 

The X8 clock mode locks the ports hardware clock at

 

 

eight times the standard rate. The baud rate the port

X8

921,600

runs at will always be eight times the rate requested by

the application. This mode is useful for legacy

 

 

 

 

applications which cannot request baud rates over

 

 

115.200.

6.Double click the hardware class Ports (Com and LPT). Each Quatech PCI Serial Port listed in this class is a “child device” of the DSC-200/300 “parent device.”

7.Open the Properties dialog for a COM port, then click the RS-422/485tab to view the settings for that port.

RS-422/485 Connector Setup

RTS routed to CTS, AUXIN routed to

AUXOUT, and TCLK routed to RCLK.

Quatech DSC-200/300 User's Manual

27

Image 29
Contents DSC-200/300 Date of Purchase Model Number Page Declaration of Conformity Changing Resource Settings with Device Manager IND Option --- Surge Suppression Upgrade2 AUX0SEL1,0, AUX1SEL1,0 J12,11,19,18 4 TGL0SEL1,0, TGL1SEL1,0 J15,14,22,21Half-Duplex/Full-Duplex/Auto-Toggle Selection External ConnectionsGeneral Information DSC-200/300 Product Series Summary FeaturesFull-duplex/Half-duplex Operation Signal ConnectionsJumpers J10-J23 define the options for this card RXEN0SEL, RXEN1SEL J16 1 CTS0SEL, CTS1SEL J10,17RCLK0SEL, RCLK1SEL J13 Clock Rate and Optional Registers Enable Scratchpad Register SPAD, J2Clock multiplier jumper options Hardware Installation Base Address and Interrupt Level IRQ Interrupt Status Register Enabling the Special RegistersQuatech Modem Control Register Quatech Modem Control RegisterBit Name Description Options RegisterRR1 RR0 Clock Rate MultiplierWindows Millennium Windows Windows Windows Windows NT Viewing Resources with Device Manager Quatech DSC-200/300 PCI Two-Port RS-422/RS485 Serial Adapter Adapter Data Rate Multiplier Application. This mode is useful for legacy Used when external handshaking or Page DOS and other operating systems OS/2QTPCI.EXE QTPCI.EXE Expert Mode display Jumpers J10-12 RTS/CTS HandshakeTclk RclkAUXIN/AUXOUT loopback AUXIN/AUXOUT LoopbackHalf/full-duplex and Auto-Toggle selection RS-422/485 Termination Termination ResistorsRS-422/485 Peripheral Connection DSC-200/300 connector definitionsPCI Resource Map Specifications Computer will not boot up