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Quatech DSP-200/300 manual

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  • Page 1

    DSP-200/300 Dual Channel RS-422/485 PCMCIA Asynchronous Adapter for PCMCIA Card Standard compatible machines User's Manual QUATECH, INC. TEL: (330) 665-9000 5675 Hudson Industrial Parkway FAX: (330) 665-9010 Hudson, Ohio 44236 www.quatech.com INTERFACE CARDS FOR IBM PC/AT AND PS/2[...]

  • Page 2

    Warranty Information Quatech Inc. w arran ts the DS P-200/300 to be free of defects f or one (5) year from th e date of purchas e. Quatech Inc. w ill repair or replace any adapter that fails to perform under normal operating conditions and in accordance with the procedures outlined in this documen t during the w arranty period. Any damage that resu[...]

  • Page 3

    Declaration of Conformity Manufacturer's Name: Quatech, Inc. Manufacturer's Address: 662 Wolf Ledges Parkway Akron, OH 44311 (USA) Application of Council Directive: 89/336/EEC Standards to which Conformity is Declared: * EN50081-1 (EN55022) * EN50082-1 (IEC 801-2, IEC 801-3, & IEC 801-4) Type of Equipment: Information Technology Equip[...]

  • Page 4

    Table of Contents 8-2 Specifications .......................................................... 7-2 External Connections .................................................. 6-5 Termination Resistors ................................................... 6-3 Half Duplex Operation .................................................. 6-2 Auxiliary Channel: [...]

  • Page 5

    1. Introduction The DSP-200/300 is a dual channe l RS-422/RS-485 asy nchronous se rial adapter for sy stems eq u ip p ed w it h PC M CIA T ype II a nd / or Typ e III e x pa ns i o n s oc ke t s. Th e DS P - 200/300 is a PCMCIA Type II (5 mm) card and is PCMCIA PC Card Standard Specification 2.1 compliant. The DSP-200/300's serial port is imple[...]

  • Page 6

    This page intentionally left blank. 2-1 DSP-200/300 (Rev. I and later) User's Manual[...]

  • Page 7

    2. DOS/Windows 3.x Two configuration software prog rams are provided with the DSP- 200/300: a Client Driver, and a card Enabler. Both of these programs are executed from DOS (before entering Windows) and allow operation of the DSP-200/300 in both th e DOS and Windows 3.x environments. For optimal operation, however, the Clie nt Driver is the prefer[...]

  • Page 8

    2.1 DSP-200/300 Client Driver for DOS I n order to use the DSP-200/300 Client Driver, th e sy stem must be configured with Card and Socket Services soft ware. Card and Socket Services software is not provided with the DSP-200/300 but is available from Quatech. IMPORTANT: Some versions of Card and So cket Services dated before 1993 do not support ge[...]

  • Page 9

    removed and/ or inserted from the sy stem as de sired. On e ach insertion into the PCMCI A socket, the DSP-200/300 will be au tomatically reconfig ured according to the command line options. 2.1.2 Command Line Options The DSP-200/300 Client Driver accepts up to ei g ht command line arguments from the user to determine the configuration of theDSP-20[...]

  • Page 10

    H instructs the client driver to ena ble the RTS-CTS modem cont rol handshake on the RS-422/485 port. When modem contro l handshaking in enabled, the 16C750 UART’s RTS and CTS signals are connected to the RS-422/485 auxiliary channel. The auxiliary channel may then be used for handshaking between the DSP-200/300’s port and a peripheral device. [...]

  • Page 11

    2.1.2.4 Example 4 DEVICE = C: DSP-200DSP230CL.SYS(i5,h,b300) I n exampl e 4, a single command li ne argument is provided. Because the parameter order is not significant, the Client Driver will attempt to configure a D SP-200/300 inserted into any socket with a base address of 300H and I RQ 5. If address 300H or I RQ 5 is unavailable, the DSP-200/[...]

  • Page 12

    2.1.2.7 Example 7 DEVICE = C: DSP-200DSP230CL.SYS (s0,b300,i5) (s1,b340,i10) The ty pe of configuration shown in example 7 ma y be desirable in sy stems where more than one DSP-200/300 is to be installed. I n this ex ample, the Client Driver will attempt to config ure a DSP-200/300 inserted into socket 0 with a base address of 300H and I RQ 5. If[...]

  • Page 13

    Older Versions of Card and Socket Services: Some versions of Card and Socket Services dated before 1993 do not support g eneral purpose I /O cards. If after careful installation of the Client Driver the DSP- 200/300 does not configure or operate properly , an updated vers ion of Card and Socket Servi ces may be required. Card and Socket Services so[...]

  • Page 14

    2.2.1 Command Line Options To configure a DSP-200/300 in the system, th e Enabler requires one command line arg ument from the user to determine the config uration of the card. This arg ument must be enclosed in parenthesis a nd within the argument, any or all of the following para meters may be specified using a comma (no spaces) to separate each [...]

  • Page 15

    H instructs the enabler to enabl e the RTS-CTS modem contro l handshake on the RS-422/485 port. When modem contro l handshaking in enabled, the 16C750 UART’s RTS and CTS signals are connected to the RS-422/485 auxiliary channel. The auxiliary channel may then be used for handshaking between the DSP-200/300’s RS-422/485 port and a periphe ral de[...]

  • Page 16

    2.2.1.4 Example 4 DSP230EN.EXE (s0,b300,i3,wd8) I n example 4, the Enabler will configure the D SP-200/300 in socket 0 w ith a base address of 300H and I RQ 3 using a configuration memory window at segment D800. The DSP-200/300' s RS-422/485 output drivers will alway s be enab led, and RTS-CTS mode m control handshaking will be disabled 2.2.1.[...]

  • Page 17

    Furthermore, some sy stems use the high memo ry area for BI OS shadowing to improve overall sy st em performance. In order for the Enabler to operate, any BI OS sha dowing must be disabled in the address range specified for the config uration window. BIOS shadowing can usually be disabled through the system's CMOS setup utility. Socket Numbers[...]

  • Page 18

    This page intentionally left blank. 3-1 DSP-200/300 (Rev. I and later) User's Manual[...]

  • Page 19

    3. Windows 95/98/Millennium (ME) To allow easy configuration of the DSP- 200/300, an Windows 95/98/ME "I NF" configuration file has been written for the hardware. It supports the AUXI N/AUXOUT options and the RS-422/485 output driver enable options for full and half duplex operation. 3.1 Installing a DSP-200/300 Under Windows 95/98/ME 1. [...]

  • Page 20

    3.2.1Viewing Resource Settings with Device Manager 1. Start the Windows 95/98/ME Device Manager . 2. Double click on the hardware class Quatech Comm Adapters to list hardware devices in the class. 3. The DSP-200/300 “parent device” belongs to this hardware class. The device name for the DSP-200/300 is Quatech DSP-200/300: Dual RS-422/RS-485 Ser[...]

  • Page 21

    transmitter may be enabled and disabled via the RTS (request to send) or DTR (data terminal ready) signals , or set to enable only when data is being transmitted (auto-toggle) . Both RTS and DTR are controlled through the Modem Control Register of the 16750. When the Use Automatic Settings check box is enabled Windows 95/98/ME will attempt to confi[...]

  • Page 22

    Scratch Pad 8x DTR Controlled Any Clocking 002F Scratch Pad 8x DTR Controlled Any Handshaking 002E Scratch Pad 8x RTS Controlled Any Clocking 002D Scratch Pad 8x RTS Controlled Any Handshaking 002C Scratch Pad 8x Auto Toggle Any Clocking 002B Scratch Pad 8x Auto Toggle Any Handshaking 002A Scratch Pad Normal DTR Controlled Any Clocking 0029 Scratch[...]

  • Page 23

    ** Handshaking indicates RTS routed to AUXOUT, AUXIN routed to CTS, and TCLK routed to RCLK. Loopback indicates RTS routed to CTS, AUXIN routed to AUXOUT, and TCLK routed to RCLK. Clocking indicates RTS routed to CTS, AUXIN routed to RCLK, and TCLK routed to AUXOUT. *** Any indicates variable value; this value may or may not be user selectable depe[...]

  • Page 24

    This page intentionally left blank. 4-1 DSP-200/300 (Rev. I and later) User's Manual[...]

  • Page 25

    4 Windows 2000 To allow easy configuration of the DSP-200/300, an Windows 2000 "INF" configuration file has been written for the hardware. This configuration file supports the DSP-200/300 in both addressing modes: block mode and “com” mode. Additionally, the RTS -CTS modem control handshake option and the RS-422/485 output driver enab[...]

  • Page 26

    4. Double click ‘Serial Port Adapters’ 5. Double click ‘Drivers’ 4-3 DSP-200/300 (Rev. I and later) User's Manual[...]

  • Page 27

    6. Double click on ‘Windows 2000, XP, for PCI, PCMCIA, ISA’ 7. Click on ‘qserbrd’ and select open. Windows 2000 4-4[...]

  • Page 28

    8. Select ‘OK’ at the ‘Files Needed’ window 9. The same process as above in steps 1-9 will apply for the next file ‘qserpt.inf’. In step 7 be sure to choose ‘qserpt.inf ’ and select ‘Open’. 4.2 DSP-200/300 Resource Settings in Windows 2000 Windows 2000 maintains a registry of a ll known hardware installed within the computer. In[...]

  • Page 29

    4.2.1 Viewing Resource Settings with Device Manager 1. Start the Windows 2000 Device Manager . 2. Double click on the hardware class Quatech Multiport Serial Devices to list hardware devices in the class. 3. The DSP-200/300 “parent device ” belongs to this hardware class. The device name for the DSP-200/300 is Quatech DSP-200/300 PCMCIA Two-Por[...]

  • Page 30

    6. Use the COM Port device names (COM5, COM6, etc.) to access any of the particular serial ports on the DSP-200/300. These names are required by Windows 2000 applications when accessing particular port s. 4.2.2 Changing Resource Settings with Device Manager 1. Start the Windows 2000 Device Manager . To access Device Manager double click the System [...]

  • Page 31

    4. Open the Properties dialog for the DSP-200/300 device (Figure 12) , then click the Advanced tab to view the clock rate settings. Windows 2000 4-8[...]

  • Page 32

    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[...]

  • Page 33

    Windows 2000 4-10[...]

  • Page 34

    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[...]

  • Page 35

    ISR 8x Auto Toggle Any Clocking 0019 ISR 8x Auto Toggle Any Handshaking 0018 ISR Normal DTR Controlled Any Clocking 0017 ISR Normal DTR Controlled Any Handshaking 0016 ISR Normal RTS Controlled Any Clocking 0015 ISR Normal RTS Controlled Any Handshaking 0014 ISR Normal Auto Toggle Any Clocking 0013 ISR Normal Auto Toggle Any Handshaking 0012 ISR 8x[...]

  • Page 36

    Scratch Pad 1x Always Enabled Memory Mapped Loopback 0048 Scratch Pad 8x DTR Controlled Any Clocking 0047 Scratch Pad 8x DTR Controlled Any Handshaking 0046 Scratch Pad 8x RTS Controlled Any Clocking 0045 Scratch Pad 8x RTS Controlled Any Handshaking 0044 Scratch Pad 8x Auto Toggle Any Clocking 0043 Scratch Pad 8x Auto Toggle Any Handshaking 0042 S[...]

  • Page 37

    9. To modify the Interrupt Request setting click the resource name and click the Change Setting button. An Edit Resource window will open up. Inside this window click on the up/down arrows to the right of the Interrupt Request value. This scrolls you through all of the allowable resources for your hardware. Pay attention to the conflict information[...]

  • Page 38

    This page intentionally left blank. 5-1 DSP-200/300 (Rev. I and later) User's Manual[...]

  • Page 39

    5 Windows NT 5.1 Installing DSP-200/300 To allow easy configuration of the DSP-200/300 the Quatech Device Manager for Windows NT has been written for the hardware. This configuration util ity supports the DSP-200/300 only in block addressing mode. To begin the installation, open Windows Explorer and search for the ‘Setup.exe’ command to install[...]

  • Page 40

    1. Locate and double click the Quatech Device Manager icon on the desktop Device Manager Icon on Desktop 2. Click the ‘Add’ button at the bottom of the Quatech Device Manager Window 5-3 DSP-200/300 (Rev. I and later) User's Manual[...]

  • Page 41

    3. Follow the steps for the ‘Add Quatech Hardware Wizard’. Windows NT 5-4[...]

  • Page 42

    4. Complete the final steps of the installation, shut down Windows NT and then insert the PCMCIA Card and re-boot the computer. Additional help is available online The DSP-200/300 PC Card should now be configured. In the future, Windows NT will automatically recognize and configure the DSP-200/300. Note: Windows NT does not support ‘Plug and Play[...]

  • Page 43

    6. Hardware Information 6.1 Auxiliary Channel Configuration An auxiliary channel is provi ded which allows for handshaki ng between the DSP-200/300 port and a peripheral device. This auxiliary channel may be configured in one of two ways: v RTS-CTS handshake enabled. v handshaking is disabled. 6.1.1 Auxiliary Channel: RTS-CTS Handshaking. The RTS-C[...]

  • Page 44

    6.1.2 Auxiliary Channel: Handshaking Disabled. The DSP-200/300 ports may be config ured so that the RTS-CTS hands hake is disabled. This is the default configuration. I n this configuration, RTS and CTS from the 16C750 UART will be looped back to each other. In addition, the aux iliary output and input si gnals will be looped back to each other. Th[...]

  • Page 45

    6.2 Half Duplex Operation The DSP-200/300’s ports may be c onfigured for either full duplex or half duplex operation. By default, the RS-422/485 ports are configured for full duplex operation with the RS-422/485 output drivers always enabled. I n half duplex mode, the RS-422/485 transmitte r may be enabled and disabled via the RTS (request to sen[...]

  • Page 46

    Selection of half duplex mode operation is dependent upon the conf ig uration software and/or the operating sy stem used. Each of these, howev er, ultimately control th e half duplex mode by accessing the PCMCIA Configuration Register on the DSP-200/300. CAUTION: When operating in half duplex m ode, the transmitter output drivers mus t b e disabled[...]

  • Page 47

    6.3 Termination Resistors No termination resistors are provided on the DSP-200/300 ports. B oth output and input sig nals are connected only to the ext ernal connector. An y 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 [...]

  • Page 48

    This page intentionally left blank. 7-1 DSP-200/300 (Rev. I and later) User's Manual[...]

  • Page 49

    7. External Connections An adapter cable is included with the D SP-200/300 to convert the 9-pin PCMCI A output connector into a standard D-9 fe male c onnector, data termina l e quipment (DTE), as shown in the figures below. Standard D-9 (Male) Figure 14. DSP-200/300 Adapter Cable. D-9 Fema le Connector 1 2 3 4 5 9 8 7 6 AUX OUT+ DATAOUT+ GND DATAI[...]

  • Page 50

    This page intentionally left blank. 8-1 DSP-200/300 (Rev. I and later) User's Manual[...]

  • Page 51

    8. Specifications Bus Interface PCMCIA PC Card Standard 2.1 compliant Physical Dimensions Type II PCMCIA card (5mm) Maximum Baud Rate 921.6K Power Requirements +5 volts 20 mA (typical) 30 mA (maximum) Connector Adapter to standard female D-9 Specifications 8-2[...]

  • Page 52

    DSP-200/300 User's Manual Revision 3.12 March 2004 P/N 940-0075-312 Quatech, Inc.[...]