Quatech SSCLP-300 User Manual

DSCLP/SSCLP-200/300Two and One Channel RS-422/485Low Profile Asynchronous Communications Adapterfor PCI busUser's ManualQUATECH, INC. TEL: (330)

2.2 Signal ConnectionsThe DSCLP-200/300 provides each of two serial ports with fourdifferential signal pairs: TxD, RxD, AUXOUT, and AUXIN. TxD and R

Jumpers J10-J23 define the options for this card:X8X4X2J3J4J5CTS0_SELAUX0_SEL0AUX0_SEL1J10J11J12RCLK0_SELTGL0_SEL0TGL0_SEL1J13J14J15RXEN0_SELCTS1_

2.3.1 CTS0_SEL, CTS1_SEL (J10, 17)With NO jumpers on J10 or J17 the mode selection is CTS=AUXIN.With Jumpers installed the mode selection is CTS=RTS.

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

The factory default is none of these jumpers applied, which allows forsoftware control of the clock multiplier via the Options Register. The OptionsR

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

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

4.2 Enabling the Special RegistersThe DSCLP-200/300 contains two unique registers, an Interrupt StatusRegister and an Options Register. These registe

4.4 Quatech Modem Control RegisterThe Quatech Modem Control Register can be used to set up each port. Toaccess the QMCR write a 0xBF to the LCR (base

4.5 Options RegisterThe Options Register allows software to identify the DSCLP-200/300 as aQuatech Enhanced Serial Adapter. It also allows software t

WARRANTY INFORMATIONQuatech, Inc. warrants the DSCLP-200/300 or SSCLP-200/300 to befree of defects for five (5) years from the date of purchase.

4.5.2 Clock Rate MultiplierA standard serial port operates at a clock speed of 1.8432 MHz. In orderto achieve higher data rates, Quatech Enhanced Ser

5 Windows Configurations5.1 Windows Millennium 1. After inserting the DSCLP-200/300 for the first time the "Add NewHardware Wizard" wi

5.2 Windows 20001. After inserting a DSCLP-200/300 for the first time, the "Add NewHardware Wizard will appear at start up. Click the "OK&qu

5.3 Windows 981. After inserting a DSCLP-200/300 for the first time, the "Add NewHardware Wizard will appear at start up. Click the "Next&qu

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

5.4 Windows 95Windows 95 maintains a registry of all known hardware installed in yourcomputer. Inside this hardware registry Windows 95 keeps track o

8. The installation utility will ask for your Windows 95 installation disks.Serial communication ports require two drivers supplied by Microsoft tofun

5.6 Viewing Resources with Device ManagerThis discussion applies equally to Windows 95/98/ME and 2000/XP. Windows maintains a registry of all known

3. Double click the device group "Multi-function Adapters". TheDSCLP-200/300 “parent device” belongs to this hardware class. The fulldevi

dialog for the specific COM port on the DSCLP-200/300. Then click theResources tab to view the Input/Output Range and Interrupt Requestresource allo

 2006 Quatech, Inc.NOTICEThe information contained in this document cannot be reproduced in anyform without the written consent of Quatech, Inc. Lik

5.6.1 Changing Resource Settings with Device Manager1. Start the Windows 95/98/ME Device Manager.2. Double click on the hardware class Multi-Port Seri

The X8 clock mode locks the portshardware clock at eight times thestandard rate. The baud rate the portruns at will always be eight times therate req

RTS routed to CTS, AUXINrouted to RCLK, and TCLKrouted to AUXOUT. Used toconnect ports transmitting atdifferent baud rates. In order tofunction, all

Hardware automatically enablesthe transmitters whentransmitting. Transmitters willturn off three bit-times after thelast stop bit of the last charact

full-scale for the transmit buffer and ¾-scale for the receive buffer areoptimal for most applications. Note that the FIFO option for each ofthe DSCLP

6 Other Operating SystemsDevice drivers for Windows NT and OS/2 are also available for theDSCLP-200/300. The board can be used under DOS and other op

6.2.1 QTPCI.EXEQuatech's "QTPCI" utility supplies the information required whenmodifying the serial port settings of the application.

Figure 14 shows the Expert Mode display for the DSCLP-200/300 afterthe "Q" key has been pressed. The information from the Basic Mode displa

7 External ConnectionsThe DSCLP-200/300 provides four differential communication signals perchannel. The two output signals are Transmit Data (TxD) a

7.1 RTS/CTS HandshakeTransmission of RTS, combined with reception of CTS, allows forhardware handshaking (data flow control) between the UART and the

Declaration of ConformityManufacturer's Name: Quatech Inc.Manufacturer's Address: 5675 Hudson Industrial ParkwayHudson, Ohio 44236 (USA)Appl

7.3 TCLKThis is the output clock signal used by the transmitter portion of theUART. It is generally connected to the UART's own receive clock in

7.5 Half-Duplex/Full-Duplex/Auto-Toggle SelectionUsing jumper blocks J14 thru J16, the transmitters and receivers of eachchannel can be enabled and di

Full-Duplex OperationHalf-Duplex(DTR) OperationHalf-Duplex(RTS) OperationJumpers J14-16TGL0_SEL0TGL0_SEL1J14J15RXEN0_SELJ16TGL0_SEL0TGL0_SEL1J14J15RXE

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

7.7 RS-422/485 Peripheral ConnectionThe DSCLP-200/300 connects to peripheral equipment through a 25-pinD-connector. A cable is provided to convert th

8 PCI Resource MapListed below are the PCI resources used by the DSCLP-200/300. Suchinformation may be of use to customers writing their own device d

9 SpecificationsBus interface: PCI, 32-bit bus, Universal Voltage SignalingIBM-compatible computersDimensions: approx. 4.725" x 2.5"Serial p

10 TroubleshootingListed here are some common problems and frequent causes of thoseproblems. If the information here does not provide a solution, co

DSCLP/SSCLP-200/300User's Manual Revision 1.23November 2006P/N: 940-0182-123i DSCLP/SSCLP-200/300 User's Manual

Table of Contents356 Other Operating Systems...305.6.1 Changing Resource Settings with Device Manager.275.6 Viewing Resources wi

4710 Troubleshooting...469 Specifications...458 PCI Resource Map...

DSCLP/SSCLP-200/300 User's Manual 7

1 General InformationThe Quatech, Inc. DSCLP-200/300 (two-port) and SSCLP-200/300(one-port) provide RS-422 or RS-485 asynchronous serial communication

2 Hardware ConfigurationThe DSCLP-200/300 is automatically configured at boot time by thecomputer's BIOS or operating system. There are no requi