Quatech RS-485 user manual Adapter

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9.Use the Logical COM Port names to access the serial ports on your DSC-200/300 through your software applications. Note: The Logical COM Port name is assigned to your ports by Windows. This name is required by Windows applications when accessing a particular port.

5.6.1 Changing Resource Settings with Device Manager

1.Start the Windows 95/98/ME Device Manager.

2.Double click on the hardware class Multi-Port Serial Adapters to list hardware devices in the class.

3.The DSC-200/300 “parent device” belongs to this hardware class. The full device name for the DSC-200/300 is Quatech DSC-200/300:Two-PortRS-422/485 Serial

Adapter.

4.Open the Properties dialog for the DSC-200/300 device, then click the Resources tab to view the Input/Output Range and Interrupt Request resource allocations.

5.Open the Properties dialog for the DSC-200/300 device, then click the Advanced tab to view the clock rate settings.

Quatech DSC-200/300 User's Manual

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Contents DSC-200/300 Date of Purchase Model Number Page Declaration of Conformity 4 TGL0SEL1,0, TGL1SEL1,0 J15,14,22,21 IND Option --- Surge Suppression UpgradeChanging Resource Settings with Device Manager 2 AUX0SEL1,0, AUX1SEL1,0 J12,11,19,18Half-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 1 CTS0SEL, CTS1SEL J10,17 RCLK0SEL, RCLK1SEL J13RXEN0SEL, RXEN1SEL J16 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