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DS-100

Two Channel RS-232 Asynchronous

Serial Adapter

for ISA compatible machines

User's Manual

QUATECH, INC.

TEL: (330) 655-9000

5675 Hudson Industrial Parkway

FAX: (330) 655-9010

Hudson, Ohio  44236

http://www.quatech.com

INTERFACE CARDS FOR IBM PC/AT AND PS/2

Summary of Contents for DS-100

Page 1: ...2 Asynchronous Serial Adapter for ISA compatible machines User s Manual QUATECH INC TEL 330 655 9000 5675 Hudson Industrial Parkway FAX 330 655 9010 Hudson Ohio 44236 http www quatech com INTERFACE CARDS FOR IBM PC AT AND PS 2 ...

Page 2: ... In no event will Quatech Inc be liable for damages of any kind incidental or consequential in regard to or arising out of the performance or form of the materials presented herein and in the program s accompanying this document No representation is made regarding the suitability of this product for any particular purpose Quatech Inc reserves the right to edit or append to this document or the pro...

Page 3: ...ue care in the preparation of this document and every attempt has been made to ensure its accuracy and completeness In no event willQuatech Inc be liable for damages of any kind incidental or consequential in regard to or arising out of the performance or form of the materials presented in this document or any software programs that might accompany this document Quatech Inc encourages feedback abo...

Page 4: ...USA Application of Council Directive 89 336 EEC Standards to which Conformity is Declared EN50082 1 EN61000 4 2 EN61000 4 3 EN61000 4 4 CISPR 22 EN55022 Type of Equipment Information Technology Equipment Equipment Class Commercial Residential Light Industrial Product Name ISA Communications Card Model Number DS 100 iii Quatech Inc ...

Page 5: ... Enabling or disabling ports 4 1 5 1 Setting the address 4 1 5 Addressing Ports 3 18 4 2 Viewing and Changing Resources with Device Manager 3 16 4 1 Using the Add New Hardware Wizard 3 16 4 Windows 95 Configuration 3 1 3 1 Using the Add New Hardware Wizard 3 1 3 Windows 2000 Configuration 2 1 2 Installation 1 1 1 General Information iv Quatech Inc ...

Page 6: ...ill act as a 16450 UART The DS 100 is highly flexible with respect to addressing and interrupt level use The serial ports are individually addressed and can be placed anywhere within the range of 0000 hex to FFF8 hex at 0008 hex intervals Available interrupt levels include IRQ2 to IRQ7 IRQ10 to IRQ12 IRQ14 or IRQ15 Both ports on the DS 100 can share one interrupt level or an interrupt level can be...

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Page 8: ...ct skip to step 2 otherwise refer to sections 4 and 5 of this document for detailed information on how to set the address and IRQ level 2 Turn off the power of the computer system in which the DS 100 is to be installed 3 Remove the system cover according to the instructions provided by the computer manufacturer 4 Install the DS 100 in any vacant expansion slot The board should be secured by instal...

Page 9: ...IRQ15 Diagram not to scale SW2 Serial 0 SW1 Serial 0 SW3 Serial 1 SW4 Serial 1 J3 J4 Serial 0 Serial 1 J2 J5 J6 Serial 0 Serial 1 CN1 CN2 16750 UART 16750 UART RN1 RN2 RN3 RN4 14 7456 OSC QUATECH INC DS 100 REV I Figure 2 Diagram of DS 100 2 2 Quatech Inc ...

Page 10: ...lity in Windows is designed to add new hardware and update this registry Windows 2000 will not automatically configure the DS 100 The user is required to manually configure Windows 2000 to match the resources set on the card 3 1 Using the Add New Hardware Wizard The following instructions provide a step by step instructions on installing the DS 100 Enhanced Serial Adapter in Windows 2000 using the...

Page 11: ...2 Double click on the Add New Hardware icon 3 2 Quatech Inc ...

Page 12: ...3 The next window will be the Welcome to the Hardware Wizard click Next 4 Next choose the Add Troublshoot a device radio button click Next 3 3 Quatech Inc ...

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Page 16: ...7 Next select Ports COM LPT click Next 3 7 Quatech Inc ...

Page 17: ...t window under manufacture select Standard port types and under Models select Communications Port Because Windows will not detect plug and play you will have to manually enter the settings Click OK 3 8 Quatech Inc ...

Page 18: ...9 Next you will have to change the Input Output Range to a setting that is not in use No conflicts by choosing a different Basic Configuration 3 9 Quatech Inc ...

Page 19: ...10 The Input Request IRQ must be set to corresponds with the jumpers setting on the DS 100 board 3 10 Quatech Inc ...

Page 20: ...ave chosen the IRQ that corresponds with the setting on the Quatech DS 100 card the window will display no conflicts and the red circle with a slash of the Input Output Range will not be present 3 11 Quatech Inc ...

Page 21: ...11 Next Windows will begin the install the hardware click Next 3 12 Quatech Inc ...

Page 22: ...12 Next the Completing the Add Remove Hardware Wizard will appear click Finish 3 13 Quatech Inc ...

Page 23: ...uter so the changes will take effect and show the new ports Select No to install the second port Repeat the same process to install the second channel Finally in order for the changes to take effect you will have to restart the computer 3 14 Quatech Inc ...

Page 24: ...ted to match the configuration of the hardware See section 3 2 for information on changing resources within Windows 95 4 1 Using the Add New Hardware Wizard The following instructions provide step by step instructions on installing the DS 100 in Windows 95 using the Add New Hardware wizard Select Start Help from within Windows 95 for additional information on this utility 1 Start the Add New Hardw...

Page 25: ...Windows 95 will not automatically configure a DS 100 board it will only assign an available I O range and IRQ 9 The Add New Hardware utility now asks for your Windows 95 installation disks Serial communication ports require two drivers supplied by Microsoft to function SERIAL VXD and SERIALUI DLL Insert the disk or CD and click OK NOTE You may be able to skip step 9 if you are certain that your sy...

Page 26: ...m Properties box 2 Click the Device Manager tab located along the top of the System Properties box This lists all hardware devices registered inside the Windows 95 registry Additional information is available on any of these devices by clicking on the device name and then selecting the Properties button 3 Double click the device group Multi function Adapters The DS 100 model name should appear in ...

Page 27: ...he Conflict Information at the bottom of the window Do not select a resource that causes a conflict with any other installed hardware Click OK to save your changes or Cancel to abort 7 The DS 100 serial ports are also listed under the group Ports Com and LPT Windows 95 does not assign COM1 COM4 to ports addressed at nonstandard locations The DS 100 ports will be enumerated starting with COM5 or hi...

Page 28: ...ccess the serial ports on your DS 100 through your software applications Note The Logical COM Port name is assigned to your ports by Windows 95 This name is required by a Windows 95 application when accessing a particular port 3 19 Quatech Inc ...

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Page 30: ...15 through A3 for Serial 1 The remaining address lines A2 A1 and A0 are used by the UART to select the register being accessed The sixth position on SW2 is used to enable or disable Serial 0 and the sixth position on SW4 is used to enable or disable Serial 1 Figure 5 shows how the switches on the DS 100 represent the address values for serial ports This figure can be used to explain the examples s...

Page 31: ... 0 0 0 SW3 SW4 Factory default setting for Serial 2 02F8 hex COM2 ON 1 2 3 4 5 6 7 8 8 8 2 0 E 4 8 1 2 3 4 5 6 ON 0 2 1 3 0 0 0 0 0 0 Example 03E8 hex typical for COM3 ON 1 2 3 4 5 6 7 8 8 8 2 0 E 4 8 1 2 3 4 5 6 ON 0 2 0 2 0 0 0 0 0 0 Example 02E8 hex typical for COM4 enable disable enable disable enable disable Factory default setting for Serial 1 03F8 hex COM1 Figure 6 Serial Port base I O addr...

Page 32: ...x COM1 NOTES TYPICAL I O ADDRESS PORT Figure 7 Recommended addresses for serial ports 5 2 Enabling or disabling ports Each port of the DS 100 may be individually enabled or disabled To enable a port move the appropriate switch to the ON position To disable a port move the switch to the OFF position This is illustrated in Figure 8 below The factory default configuration is both serial ports enabled...

Page 33: ... Serial 1 are shown To select a differentIRQ move the jumper to the appropriate position on J3 or J4 J3 Serial 0 Default is IRQ 4 1 2 3 4 5 6 7 8 9 10 11 IRQ7 IRQ2 IRQ3 IRQ4 IRQ5 IRQ6 IRQ11 IRQ12 IRQ14 IRQ15 IRQ10 13 14 15 16 17 18 19 20 21 22 12 1 2 3 4 5 6 7 8 9 10 11 IRQ7 IRQ2 IRQ3 IRQ4 IRQ5 IRQ6 IRQ11 IRQ12 IRQ14 IRQ15 IRQ10 13 14 15 16 17 18 19 20 21 22 12 Serial 1 J4 Default is IRQ 3 Figure ...

Page 34: ...RQ J2 Sharable interrupt 1 1 4 4 2 2 5 5 3 3 6 6 1 4 4 1 2 5 5 2 3 6 6 3 Serial 0 non sharable Serial 1 non sharable Serial 0 non sharable Serial 1 sharable Serial 0 sharable Serial 1 non sharable Serial 0 sharable Serial 1 sharable jumper block configurations default Figure 10 Sharable interrupt selection The DS 100 signals a hardware interrupt when any port requires service The interrupt signal ...

Page 35: ...modems to be connected directly using a one to one cable as shown in Figure 12 In many applications DCEs are unnecessary and in these cases a cable called a null modem cable or modem eliminator cable is used to directly connect two DTE type devices A typical null modem cable is also shown in Figure 12 RxD TxD RTS CTS DTR DSR DCD GND 3 2 4 5 20 6 8 22 7 RI TxD RxD CTS RTS DSR DTR DCD GND 3 2 4 5 20...

Page 36: ...mper blocks are illustrated in Figure 13 1 6 5 4 8 7 2 3 9 10 11 12 pin 3 RxD pin 7 CTS pin 4 DSR TxD pin 2 RTS pin 8 DTR pin 6 J5 Serial 0 J6 Serial 1 These jumper blocks are used to connect RS 232 signals to the various pins of the D 9 connectors 1 6 5 4 8 7 2 3 9 10 11 12 pin 3 RxD pin 7 CTS pin 4 DSR TxD pin 2 RTS pin 8 DTR pin 6 1 6 5 4 8 7 2 3 9 10 11 12 pin 3 RxD pin 7 CTS pin 4 DSR TxD pin...

Page 37: ... 20 4 6 6 Data Set Ready DSR 7 5 7 5 Signal Ground 6 6 20 4 Data Terminal Ready DTR 3 2 2 3 Transmit Data TxD 2 3 3 2 Receive Data RxD 8 1 8 1 Data Carrier Detect DCD D 25 D 9 D 25 D 9 DCE Connection DTE Connection RS 232 Signal Description Figure 14 DS 100 connector definitions for EIA TIA 232 E 1 2 3 4 5 6 7 8 9 10 11 12 13 20 21 22 23 24 25 14 15 16 17 18 19 D 25 connector using adapter cable 1...

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Page 39: ... 25 the maximum data rate achievable using EIA TIA 232 E can be increased past 200 kbaud NOTE 2 A typical value for capacitance per foot of standard cable is 50 pF ft UARTs Two 16550 UARTs with 16 byte FIFOs TRANSMIT DRIVERS SN75150 or compatible HIGH LEVEL OUTPUT 5V min 8V typical LOW LEVEL OUTPUT 5V max 8V typical SWITCHING SPEED LOW HIGH 1 4 µs with 2500 pF load 40 ns with 15 pF load SWITCHING ...

Page 40: ...EMPERATURE Operating 0 to 70 Storage 50 to 80 HUMIDITY 10 to 90 APPROVALS AND CERTIFICATIONS FCC CE Windows 95 Windows NT OS SUPPORT Windows 2000 Windows 95 Windows 3 1 Windows NT 4 0 OS 2 2 0 DOS 6 22 UNIX 7 2 Quatech Inc ...

Page 41: ... different address if necessary 3 The DS 100 may be defective Contact Quatech Customer Service for instructions Cannot communicate with other equipment 1 Are the cable connections correct Are the cables securely attached 2 Are the base address and interrupt level IRQ correctly set Check for address and IRQ conflicts with other devices in the system Change the settings if necessary 3 If you are try...

Page 42: ...DS 100 User s Manual Revision 4 21 March 2004 P N 940 0048 421 ...

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