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Quatech QSC(LP)-300 - page 1
QSC(LP)-200/300 Four Channel RS-422/485 Asynchronous Communications Adapter for PCI bus User's Manual QUATECH, INC. TEL: (330) 655-9000 5675 Hudson Industrial Parkway FAX: (330) 655-9010 Hudson, Ohio 44236 http://www.quatech.com ...
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Quatech QSC(LP)-300 - page 2
WARRANTY INFORMATION Quatech, Inc. warrants the QSC(LP)-200/300 to be free of defects for five (5) years from the date of purchase. Quatech, Inc. will repair or replace any board that fails to perform under normal operating conditions and in accordance with the procedures outlined in this document during the warranty period. Any damage that results ...
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Quatech QSC(LP)-300 - page 3
1998 - 2006, Quatech, Inc. NOTICE The information contained in this document cannot be reproduced in any form without the written consent of Quatech, Inc. Likewise, any software programs that might accompany this document can be used only in accordance with any license agreement(s) between the purchaser and Quatech, Inc. Quatech Inc. reserves t ...
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Quatech QSC(LP)-300 - page 4
Declaration of Conformity Manufacturer's Name: Quatech Inc. Manufacturer's Address: 5675 Hudson Industrial Parkway Hudson, Ohio 44236 (USA) Application of Council Directive: 89/336/EEC Standards to which Conformity is Declared: * EN50081-1 (EN55022, EN60555-2, EN60555-3) * EN50082-1 (IEC 801-2, IEC 801-3, & IEC 801-4) Type of Equipmen ...
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Quatech QSC(LP)-300 - page 5
29 7 PCI Resource Map ........................................... 28 6.9 RS-422/485 Peripheral Connection .............................. 27 6.8 RS-422/485 Peripheral Connection .............................. 26 Termination Resistors ............................................. 25 6.6 Half-Duplex/Full-Duplex/Auto-Toggle Selection ................. ...
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Quatech QSC(LP)-300 - page 6
31 9 Troubleshooting ............................................... 30 8 Specifications .................................................. 29 Base Address and Interrupt Level (IRQ) ............................ Quatech QSC(LP)-200/300 User's Manual 4 ...
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Quatech QSC(LP)-300 - page 7
1 General Information The Quatech, Inc. QSC(LP)-200/300 provides four RS-422 or RS-485 asynchronous serial communication interfaces for IBM-compatible personal computer systems using the PCI expansion bus. The QSC(LP)-200/300 uses Quatech's new Enhanced Serial Adapter design. Legacy serial port data rates are limited to a maximum of 115,200 bi ...
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Quatech QSC(LP)-300 - page 8
2 Hardware Configuration The QSC(LP)-200/300 is automatically configured at boot time by the computer's BIOS or operating system. There are no required switches or jumpers to set for installation. This chapter lists a number of optional jumper settings that control various hardware features. These jumpers, located in a row along the top of the ...
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Quatech QSC(LP)-300 - page 9
2.1.3 Force High-Speed UART Clock (X8, pins 17 and 18) This jumper forces an increase of the UART input clock frequency by a factor of eight. This feature can allow legacy software to use baud rates above 115,200 bits per second. It is also useful if the serial port device driver does not directly support setting the higher baud rates through the O ...
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Quatech QSC(LP)-300 - page 10
3 Hardware Installation 1. Turn off the power of the computer system in which the QSC(LP)-200/300 is to be installed. 2. Remove the system cover according to the instructions provided by the computer manufacturer. 3. Make any desired optional jumper setting changes. 4. Install the QSC(LP)-200/300 in any empty PCI expansion slot. The board should be ...
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Quatech QSC(LP)-300 - page 11
4 Windows Configuration 4.1 Windows Mille nnium 1. After inserting the QSC(LP)-200/300 for the first time the "Add New Hardware Wizard" will begin. Select "Search for the best driver for your device.". Check the "Removable media" and "Specify location" box. Click the "Next" button. 2. Window will lo ...
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Quatech QSC(LP)-300 - page 12
4.2 Windows 2000 1. After inserting a QSC(LP)-200/300 for the first time, the "Add New Hardware Wizard will appear at start up. Click the "OK" button. 2. When the following dialog box appears, insert the Communications Driver CD (shipped with the device). Click the "OK" button. 3. The following dialog box will display the a ...
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Quatech QSC(LP)-300 - page 13
4.3 Windows 98 1. After inserting a QSC(LP)-200/300 for the first time, the "Add New Hardware Wizard will appear at start up. Click the "Next" button. 2. Select "Search for the best driver for you device". Click the "Next" button. 3. On the next dialog, select the " CD - ROM drive" check box. Insert the ...
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Quatech QSC(LP)-300 - page 14
4. The following dialog box will display the appropriate INF file on the cd in drive. Click the "Next" button. 5. Window will copy the INF file from the cd and display a final dialog indication that the process is complete. Click the "Finish" button. Quatech QSC(LP)-200/300 User's Manual 12 ...
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Quatech QSC(LP)-300 - page 15
4.4 Windows 1995 Windows 95 maintains a registry of all known hardware installed in your computer. Inside this hardware registry Windows 95 keeps track of all of your system resources, such as I/O locations, IRQ levels, and DMA channels. The "Add New Hardware Wizard" utility in Windows 95 was designed to add new hardware and update this r ...
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Quatech QSC(LP)-300 - page 16
NOTE : You may be able to skip this step if you are certain that your system has the latest version of these files installed. If you do not have your Windows 95 install disks immediately available, click "OK" anyway. A dialog box appears with an option to Skip the files. Click the Skip button and the files will not be installed. This is a ...
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Quatech QSC(LP)-300 - page 17
4.6 Viewing Resources with Device Manager This discussion applies equally to Windows 95/98/ME and 2000/XP. Windows maintains a registry of all known hardware installed within the computer. Inside this hardware registry Windows keeps track of all the computer's resources, such as base I/O addresses, IRQ levels, and DMA channels. In the case of ...
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Quatech QSC(LP)-300 - page 18
Range and Interrupt Request resource allocations. These will match those of the “parent device.” Click "Cancel" to exit without making changes. 8. Click the "Port Settings" tab and then click the "Advanced" button. The QSC(LP)-200/300 driver will display a custom Advanced Port Settings control, which allows the por ...
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Quatech QSC(LP)-300 - page 19
4.6.1 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 QSC(LP)-200/300 “parent device” belongs to this hardware class. The full device name for the QSC(LP)-200/300 is Quatech QSC(LP)-200/300 ...
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Quatech QSC(LP)-300 - page 20
The X8 clock mode locks the ports hardware clock at eight times the standard rate. The baud rate the port 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. 921,600 X8 The X4 clock mode locks the ports hardware clock at four times the st ...
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Quatech QSC(LP)-300 - page 21
Receivers are always enabled. In a Half Duplex mode, you will receive what you transmit (sometimes called echo). Always Receive Receive Control RTS routed to CTS, AUXIN routed to RCLK, and TCLK routed to AUXOUT. Used to connect ports transmitting at different baud rates. In order to function, all ports must have and use this feature. Clocks RTS rou ...
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Quatech QSC(LP)-300 - page 22
Hardware automatically enables the transmitters when transmitting. Transmitters will turn off three bit-times after the last stop bit of the last character, regardless of baud rate. Used in two-wire communication. Auto Toggle DTR is set to enable the transmitters. Used in two-wire communication Half Duplex using DTR RTS is set to enable the transmi ...
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Quatech QSC(LP)-300 - page 23
5 Other Operating Systems Device drivers for Windows NT and OS/2 are also available for the QSC(LP)-200/300. The board can be used under DOS and other operating systems as well in many circumstances. The software described below can be obtained from the Quatech web site if it did not come with the board. 5.1 Windows NT The Windows NT device driver ...
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Quatech QSC(LP)-300 - page 24
5.3.1 QTPCI.EXE Quatech's "QTPCI" utility supplies the information required when modifying the serial port settings of the application. This program should be run from real DOS, not in a Windows DOS box. Figure 4 shows the Basic Mode display for the QSC(LP)-200/300 after the "Q" key has been pressed. In this example, the QS ...
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Quatech QSC(LP)-300 - page 25
Figure 5 shows the Expert Mode display for the QSC(LP)-200/300 after the "Q" key has been pressed. The information from the Basic Mode display is presented along with more details such as the Vendor and Device IDs, PCI Class Code, size of memory and I/O regions, etc. Pressing the "N" key will show similar information for all non ...
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Quatech QSC(LP)-300 - page 26
6 External Connections The QSC(LP)-200/300 provides four differential communication signals per channel. The two output signals are Transmit Data (TxD) and Auxiliary Output (AUXOUT). The two input signals are Receive Data (RxD) and Auxiliary Input (AUXIN). A ground signal is also provided. The available input signals for AUXIN are Clear To Send (CT ...
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Quatech QSC(LP)-300 - page 27
Control”, or “Clocks” selections under “RS-422/485 connector set-up” on the RS-422/485 tab of each port’s property dialog. 6.5 AUXIN/AUXOUT Loopback The AUXIN signal is an input from the external device, and connecting it to the AUXOUT signal provides for a loopback mode of operation. In other words, whatever signal is transmitted by th ...
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Quatech QSC(LP)-300 - page 28
6.7 Termination Resistors No termination resistors are provided on the ports. B oth output and input signals are connected only to the external connector. Any termination which is required must be added externally. + - RS-422/485 R eceiver Rt RXD+ RXD- + - RS-422/485 R eceiver Rt AUXIN+ AUXIN- RS-422 100 ohm 1/2W resis tor RS-485 60 ohms total resi ...
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Quatech QSC(LP)-300 - page 29
6.8 RS-422/485 Peripheral Connection The QSC(LP)-200/300 is a DTE device which connects to peripheral equipment through four fe male D-9 connectors. The onboard connector is a D-44 connector, which is brought out into four separate D-9 connectors via a custom cable assembly . The pin-out for the D-44 connector is listed in Figure 7. The serial port ...
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Quatech QSC(LP)-300 - page 30
6.9 RS-422/485 Peripheral Connection The QSC(LP)-200/300 connects to peripheral equipment through four male D-9 connectors. The serial port connector definitions are listed in Figure 10. 3 GND 9 AUXIN- 5 AUXIN+ 6 AUXOUT- 1 AUXOUT+ 8 RxD- 4 RxD+ 7 TxD- 2 TxD+ D-9 Connector Pin SignalDescription Figure 9 --- QSC(LP) -200/300 connector definitions 1 2 ...
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Quatech QSC(LP)-300 - page 31
7 PCI Resource Map Listed below are the PCI resources used by the QSC(LP)-200/300. Such information may be of use to customers writing their own device drivers or other custom software. A detailed description of the QSC(LP)-200/300's UARTs is available on the Quatech web site. (all numbers in hex) PCI Vendor ID: 0x135C Quatech, Inc. PCI Device ...
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Quatech QSC(LP)-300 - page 32
8 Specifications Bus interface: PCI, 32-bit bus, Universal Signalling Voltage IBM -compatible computers Dimensions: approx. 4.725" x 2.5" Serial ports Controller: 16750 with 64-byte FIFOs Interface: Custom cable to four female D-9 connector s Transceivers: MAX-3076E or compatible Differential output: 2V min. with 50-ohm load (RS-422) 1.5V ...
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Quatech QSC(LP)-300 - page 33
9 Troubleshooting Listed here are some common problems and frequent causes of those problems. If the information here does not provide a solution, contact Quatech technical support. Any unauthorized repairs or modifications will void the QSC(LP)-200/300's warranty. Computer will not boot up. 1. Is the QSC(LP)-200/300 properly inserted? Remove ...
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Quatech QSC(LP)-300 - page 34
QSC(LP)- 200/300 User's Manual Revision 1.14 November 2006 940-0146-114 Quatech QSC(LP)-200/300 User's Manual 32 ...
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