Quatech Asynchronous Communications Adapter DSC-200/300 Manuel d'utilisateur

DSC-200/300Two Channel RS-422/485 AsynchronousCommunications Adapterfor PCI busUser's ManualQUATECH, INC. TEL: (330) 655-90005675 Hudson Industri

2.2 Signal ConnectionsThe DSC-200/300 provides each of two serial ports with four differential signalpairs: TxD, RxD, AUXOUT, and AUXIN. TxD and RxD

2.4 Clock Rate and Optional RegistersFigure 3 shows the jumper configuration as shipped from the factory, with twospare jumpers applied in neutral pos

2.4.2 Force High-Speed UART Clock (X2, X4, or X8, J10-J12)These jumpers force an increase of the UART input clock frequency by a factor oftwo, four, o

3 Hardware Installation1. Turn off the power of the computer system in which the DSC-200/300 is to beinstalled.2. Remove the system cover according to

4 Address Map and Special RegistersThis chapter explains how the two UARTs and special registers are addressed,as well as the layout of those register

4.2 Enabling the Special RegistersThe DSC-200/300 contains two unique registers, an Interrupt Status Register andan Options Register. These registers

4.4 Options RegisterThe Options Register allows software to identify the DSC-200/300 as a QuatechEnhanced Serial Adapter. It also allows software to

4.4.2 Clock Rate MultiplierA standard serial port operates at a clock speed of 1.8432 MHz. In order toachieve higher data rates, Quatech Enhanced Ser

5 Windows Configuration5.1 Windows Millennium 1. After inserting the DSC 200/300 for the first time the "Add New HardwareWizard" will

5.2 Windows 20001. After inserting a DSC-200/300 for the first time, the "Add New HardwareWizard will appear at start up. Click the "OK"

WARRANTY INFORMATIONQuatech, Inc. warrants the DSC-200/300 to be free of defects for five (5) years from the date of purchase. Quatech, Inc. wi

5.3 Windows 981. After inserting a DSC-200/300 for the first time, the "Add New HardwareWizard will appear at start up. Click the "Next"

4. The following dialog box will display the appropriate INF file on the diskette in drive. Click the "Next" button. 5. Window will c

4. Double click the DSC-200/300 model name and a properties box should open forthe hardware adapter.5. Click the "Resources" tab located alo

5.5 Using the "New Hardware Found" WizardThe following instructions provide step-by-step instructions on installing theDSC-200/300 in Window

9. The "New Hardware Found" dialog will repeat for each of the serial ports on theDSC-200/300 as each port is registered with Windows.10. In

6 DOS and Other Operating SystemsThe DSC-200/300 is not a direct drop-in replacement for a legacy serial portbecause its base address and IRQ cannot b

The QTPCI program is capable only of displaying the PCI configuration. Itcannot be used to make changes.Q - Quatech PCI adaptersN - Other PCI devices

non-Quatech PCI devices in the system, including those devices integrated on themotherboard. In this example, the "Base addr 0" resource is

7 OS/2The OS/2 device driver supports up to 32 serial ports in a system. Installation isa manual, but simple, process. Please refer to the read me d

8 External ConnectionsThe DSC-200/300 provides four differential communication signals per channel.The two output signals are Transmit Data (TxD) and

(c) 1998 - 2000, Quatech, Inc.NOTICEThe information contained in this document cannot be reproduced in any formwithout the written consent of Quatech,

8.1 RTS/CTS HandshakeTransmission of RTS, combined with reception of CTS, allows for hardwarehandshaking (data flow control) between the UART and the

8.3 XCLKThis is the output clock signal used by the transmitter portion of the UART. It isgenerally connected to the UART's own receive clock in

8.5 Half-Duplex/Full-Duplex SelectionUsing jumper blocks J6 and J8, the transmitters and receivers of each channel canbe enabled and disabled by modem

Full-Duplex Operation123654RTSDTRTx ENABLETx ENABLETx ENABLERx ENABLEHalf-Duplex(DTR) Operation123654RTSDTRTx ENABLETx ENABLETx ENABLE Rx ENABLEHalf-D

8.6 Termination ResistorsLine termination resistors are provided for the input signals of each of theDSC-200/300's RS-422/485 ports. Termination

8.7 RS-422/485 Peripheral ConnectionThe DSC-200/300 connects to peripheral equipment through two female D-9connectors. The serial port connector defi

9 PCI Resource MapListed below are the PCI resources used by the DSC-200/300. Such informationmay be of use to customers writing their own device dri

10SpecificationsBus interface PCI, 32-bit bus, 5-volt onlyIBM-compatible computersDimensions: approx. 5.5" x 3.5"Se

11 TroubleshootingListed here are some common problems and frequent causes of those problems.If the information here does not provide a solution, con

DSC-200/300User's Manual Revision 1.21March 2004P/N: 940-0145-121Quatech DSC-200/300 User's Manual39

Declaration of ConformityManufacturer's Name: Quatech Inc.Manufacturer's Address: 55675 Hudson Industrial ParkwayHudson, Ohio 44236 (USA)App

328.5 Half-Duplex/Full-Duplex Selection ...318.4 AUXIN/AUXOUT Loopback ...318.3 XCLK ...

3811 Troubleshooting...3710 Specifications...369 PCI Resource Map..

1 General InformationThe Quatech, Inc. DSC-200/300 provides two RS-422 or RS-485 asynchronousserial communication interfaces for IBM-compatible person

1.1 FeaturesThe standard DSC-200/300 implements each of its communication channels witha 16750 UART and uses standard line driver and receiver compone

2 Hardware ConfigurationThe DSC-200/300 is automatically configured at boot time by the computer'sBIOS or operating system. There are no require