Connect Tech Echo/ISA Page 6 User Manual Download

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iv Contents

Echo

User's Manual, ver. 0.00

Windows 95 .................................................................... 3-29

Echo Enhanced Driver............................................ 3-30

Installation...................................................... 3-31

UART/FIFO Configuration............................ 3-32

Configuration.......................................................... 3-33

Windows NT ................................................................... 3-37

Configuration.......................................................... 3-37

Chapter 4: Appendices

Appendix A: Specifications ....................................................... 4-1

Operating Environment ..................................................... 4-1

Power Requirements ......................................................... 4-1

PC Bus Interface................................................................ 4-1

Communications................................................................ 4-1

Control Signals.................................................................. 4-1

Dimensions........................................................................ 4-1

Connectors/Interface ......................................................... 4-1

Appendix B: Connectors/Pinouts............................................... 4-2

Cable Connector Pinouts ................................................... 4-2

Connector Box/Pinouts...................................................... 4-5

Appendix C: Factory Settings………………………………….4-7

Echo................................................................................... 4-7

I/O Port Address Setting........................................... 4-7

IRQ Setting ............................................................... 4-7

Appendix D: RS-422/485 Options............................................. 4-8

RS-422/485 Cable Wiring ................................................. 4-8
RS-422/485 wiring diagram (4 wire) ................................ 4-8
RS-422/485 wiring diagram (2 wire) ................................ 4-9

Summary of Contents for Echo/ISA

Page 1: ...tions Echo ISA Multi port Serial Communications Adapters User Manual Connect Tech Inc 42 Arrow Road Guelph Ontario N1K 1S6 Tel 519 836 1291 800 426 8979 Fax 519 836 4878 Email sales connecttech com URL http www connecttech com CTIM 00023 Rev 0 00 Nov 5 2003 Part Number MN005 ...

Page 2: ......

Page 3: ...rized by Connect Tech Inc With an RMA Return Material Authorization number marked on the outside of the package and sent prepaid insured and packaged for safe shipment Connect Tech Inc will return this product by prepaid ground shipment service The Connect Tech Inc Lifetime Warranty is defined as the serviceable life of the product This is defined as the period during which all components are avai...

Page 4: ...y copyright All rights are reserved No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Connect Tech Inc Copyright 2003 by Connect Tech Inc Trademark Acknowledgment Connect Tech Inc acknowledges all trademarks registered trademarks and or copyrights referred to in this document as the property of their respective owners Not ...

Page 5: ... Port Address 2 4 Custom Status Port Addresses 2 4 Interrupt Selection 2 5 Installing the Echo Adapter in your System 2 7 Chapter 3 Software Installation Introduction 3 1 Configuration 3 1 DOS 3 XX 6 XX 3 2 COMSET EXE 3 2 DFLEX SYS 3 3 CTIMODE 3 3 Accessing Ports 3 3 Character Device Access 3 4 INT 14h Access 3 4 Linux 3 7 Multiuser DOS 7 GOLD 3 8 Configuration 3 8 QNX 2 XX 3 11 Configuration 3 11...

Page 6: ...nvironment 4 1 Power Requirements 4 1 PC Bus Interface 4 1 Communications 4 1 Control Signals 4 1 Dimensions 4 1 Connectors Interface 4 1 Appendix B Connectors Pinouts 4 2 Cable Connector Pinouts 4 2 Connector Box Pinouts 4 5 Appendix C Factory Settings 4 7 Echo 4 7 I O Port Address Setting 4 7 IRQ Setting 4 7 Appendix D RS 422 485 Options 4 8 RS 422 485 Cable Wiring 4 8 RS 422 485 wiring diagram ...

Page 7: ...e 4 Multiuser DOS switch settings 3 10 Figure 5 Multiuser DOS IRQ settings 3 10 Figure 6 QNX 2 XX switch settings 3 12 Figure 7 QNX 2 XX IRQ settings 3 13 Figure 8 QNX 4 XX switch settings 3 16 Figure 9 QNX 4 XX IRQ settings 3 16 Figure 10 QNX 4 XX switch settings 3 17 Figure 11 QNX 4 XX IRQ settings 3 18 Figure 12 SCO Unix switch settings 3 21 Figure 13 SCO Unix IRQ settings 3 22 Figure 14 Window...

Page 8: ...Echo User s Manual ver 0 00 Chapter 1 Introduction Conventions Symbols 1 1 Product Overview 1 2 Echo Adapter 1 2 Echo Software 1 3 Customer Service Overview 1 3 RMA Overview 1 6 ...

Page 9: ...al cases Example the Example convention outlines hardware and software installation examples Technical Tip the Technical Tip convention offers technical tips to assist you in hardware and software installation or problems WARNING The Warning convention advises you to take certain precautions in order to avoid possible damage to your Connect Tech product This message warns you that your Connect Tec...

Page 10: ...s include features such as 8 asynchronous serial ports out of one slot RS 232 RS 422 485 interfaces Different models of Echo adapters may reside in a host computer offering up to 32 ports per system ST16C554 UARTs control each port An addressable status control register to improve performance Each port on an Echo has independent baud rate selection offering baud rates from 50 115 2 Kpbs with 5 6 7...

Page 11: ...ystems see Chapter 3 Software Installation Customer Service Overview If you experience difficulties after reading the manual and using the product contact the Connect Tech reseller from which you purchased the product In most cases the reseller can help you with product installation and difficulties In the event that the reseller is unable to resolve your problem our highly qualified support staff...

Page 12: ...s IRQ selected Base address selected I O port address selected Device driver Revision no System Description Operating system Revision no System type manufacturer Amount of RAM CPU type speed Video adapter 8 bit 16 bit Settings Network adapter 8 bit 16 bit Settings Hard disk adapter Settings Tape adapter Settings Other serial adapters Settings Other adapters Settings Devices connected to ports ...

Page 13: ...rs via our Internet email address OR 2 You can refer to our knowledge database found in the Customer Support section of our World Wide Web site OR 3 You can fill out the problem summary form found in the Customer Support section of our World Wide Web site and submit it to our customer support engineers via the Web OR 4 You can obtain the latest versions of software drivers and manuals from the Cus...

Page 14: ...rn Merchandise Authorization RMA Number please contact us in the following manner Go to the RMA Request Form found in the Support Center on our website www connecttech com Telephone fax email or mail us at Connect Tech Inc Technical Support 42 Arrow Road Guelph Ontario Canada N1K 1S6 Phone 519 836 1291 800 426 8979 Facsimile 519 836 4878 Email support connecttech com ...

Page 15: ...to static electricity Make sure you wear an anti static wrist band before you remove the adapter from your computer When you remove the board from your computer handle it only by the edges and place it on the anti static bag or an anti static mat Note 1 Please pack the item for repair securely and ship it prepaid and insured Connect Tech is not liable for damage or loss to the product due to shipp...

Page 16: ...er 2 Hardware Installation Introduction 2 1 Configuration 2 1 Port Addresses 2 2 Custom Port Addresses 2 3 Status Port Address 2 4 Custom Status Port Addresses 2 4 Interrupt Selection 2 5 Installing the Echo Adapter in your System 2 7 ...

Page 17: ...onfiguration You must configure various settings and options before installing your Echo adapter in your computer In order to insure a successful installation please follow the steps in the order specified below 1 Selection of I O port addresses 2 Selection of the status port address 3 Selection of IRQs 4 Installing the Echo adapter in your computer Your Echo adapter is very sensitive to static el...

Page 18: ...evices may require port addresses in your computer s I O address space In most cases the factory setting is sufficient but when there is a conflict SW1 may require a different setting Table 1 summarizes typical I O port address usage WARNING Do not use a pencil to set the DIP switches as the lead graphite may short circuit the switch Table 1 Typical port address usage Port Address Hex Usage 000 0F...

Page 19: ... 3 When on port 2 is COM2 2F8 hex When on port 1 is COM1 3F8 hex Table 2 Switch settings Echo 8 Switch 3 4 5 Port Status 1 2 3 4 5 6 7 8 Port on on on 200 208 210 218 220 228 230 238 240 on on off 240 248 250 258 260 268 270 278 280 on off on 280 288 290 298 2A0 2A8 2B0 2B8 2C0 on off off 2C0 2C8 2D0 2D8 2E0 2E8 2F0 2F8 300 off on on 300 308 310 318 320 328 330 338 340 off on off 2B0 2B8 2C0 2C8 2...

Page 20: ... a zero 0 if not The least significant data bit D0 represents the status of port 1 In multi card installations the address for the status port on each card must be unique DIP switch 7 combined with the selection of the port addresses on DIP switches 3 4 and 5 determines the status port address Tables 1 and 2 indicate the relationship Custom Status Port Addresses Custom status port addresses are av...

Page 21: ...ither channel go to the posts under the selected IRQ line number and install the jumper s between the centre post and the A post A channel and or between the centre post and the B post B channel COM1 and COM2 normally use IRQ 4 and IRQ 3 respectively If you use the first two ports as COM1 and COM2 set switch 8 on SW1 to the off position and install a jumper between the centre post and the A post o...

Page 22: ...gned typically 6 Floppy disk controller 7 LPT1 8 Real time clock 9 Reserved 10 Unassigned typically 11 Unassigned typically 12 Unassigned typically 13 Co processor 14 Primary fixed disk controller 15 Secondary fixed disk controller In most cases the default IRQ setting for your Echo adapter is satisfactory If an IRQ conflict exists between the Echo adapter and another expansion device you must cho...

Page 23: ...Turn the power off to your computer 2 Open your computer to expose the expansion slots consult the system documentation for information on this procedure 3 Choose an available 8 or 16 bit expansion slot 4 Remove the screw and the expansion slot cover from the slot you select and save both 5 Place the Echo adapter in the expansion slot and push down gently until the card seats fully in the slot Not...

Page 24: ... Device Access 3 4 INT 14h Access 3 4 Linux 3 7 Multiuser DOS 7 GOLD 3 8 Configuration 3 8 QNX 2 XX 3 11 Configuration 3 11 QNX 4 XX 3 14 Configuration 3 14 QNX 6 XX 3 19 SCO Unix 3 20 Configuration 3 20 Other Configurations 3 27 Solaris 3 28 Windows 95 3 29 Echo Enhanced Driver 3 30 Installation 3 31 UART FIFO Configuration 3 32 Configuration 3 33 Windows NT 3 37 Configuration 3 37 ...

Page 25: ...iguration of various device drivers and software utilities These files may refer to the DFlex the Echo s predecessor The files and software found within are fully compatible with your Echo adapter 2 If you did not receive a driver diskette for your operating system or you require additional information please go to the Download Zone of the Support Center on the Connect Tech website for product man...

Page 26: ...manuals installation guides device driver software and technical tips If these sources do not provide you with the help you need please contact a Connect Tech Technical Support Representative via email telephone or fax for further information numbers and addresses are found inside the front cover of the manual The Connect Tech DOS device driver will support up to a maximum of 32 serial ports The s...

Page 27: ...e of the ports to something other than COM Note You must specify at least one option Example 1 com1 com8 DEVICE DFLEX SYS P 3f8 P 2f8 P 210 P 218 P 220 P 228 P 230 P 238 Example 2 com3 com10 DEVICE DFLEX SYS P 200 P 208 P 210 P 218 P 220 P 228 P 230 P 238 N 3 Example 3 serial1 serial8 DEVICE DFLEX SYS P 330 P 338 P 340 P 348 P 350 P 358 P 360 P 368 D SERIAL CTIMODE The CTIMODE command allows you t...

Page 28: ... names will be COM2 and COM3 Some programming languages will assume that access to COMn is limited to the number of communication ports supported by the computers BIOS To avoid this problem the name can be changed If two ports are installed with the parameters D SERIAL the names will be SERIAL1 and SERIAL2 In this case the N parameter is not added to the number of the name INT 14h Access The DFlex...

Page 29: ...r al are 7 data length 1 0 7 bits 1 1 8 bits stop bits 0 1 bit 1 2 bits parity 0 0 none 0 1 odd 1 1 even baud rate 0 0 0 110 bps 0 0 1 150 bps 0 1 0 300 bps 0 1 1 600 bps 1 0 0 1200 bps 1 0 1 2400 bps 1 1 0 4800 bps 1 1 1 9600 bps 6 5 4 3 2 1 0 Return ax as per Function 3 Function 1 Output a character Input ah 1 al character dx port number Return timeout if bit 7 of ah is set ...

Page 30: ...3 Return port status Input ah 3 dx port number Return ah port status bit 7 timeout bit 6 trans shift reg empty bit 5 trans hold reg empty bit 4 break detected bit 3 framing error bit 2 parity error bit 1 over run error bit 0 data ready al modem status bit 7 data carrier detect bit 6 ring indicator bit 5 data set ready bit 4 clear to send bit 3 delta dcd bit 2 delta ri bit 1 delta dsr bit 0 delta c...

Page 31: ...ve no hardware conflicts You will find these programs on the DFlex DOS Driver diskette p n DISK306 2 If you did not receive a Linux driver diskette or you require additional information please go to the Download Zone or the Knowledge Database in the Support Center on the Connect Tech website for product manuals installation guides device driver software and technical tips If these sources do not p...

Page 32: ...es device driver software and technical tips If these sources do not provide you with the help you need please contact a Connect Tech Technical Support Representative via email telephone or fax for further information numbers and addresses are found inside the front cover of the manual Configuration Multiuser DOS 7 GOLD configures standard serial devices via the CONFIG EXE utility To install an Ec...

Page 33: ...oth COM1 and COM2 directly on the motherboard The example shown below assumes that both of these ports are standard equipment in your computer Example Figures 4 and 5 describe the DIP switch and jumper settings for your Echo adapter in a system configured for 1 A standard serial port at COM1 3F8 hex IRQ 4 and a second standard serial port at COM2 2F8 IRQ 3 2 An Echo adapter with its serial ports s...

Page 34: ...2 address 288 hex Status port address Status port is enabled 2C0 hex IRQ channel s IRQ line for all ports is on channel A SW1 Port 3 address 290 hex Port 4 address 298 hex Port 5 address 2A0 hex Port 6 address 2A8 hex Port 7 address 2B0 hex Port 8 address 2B8 hex Figure 5 Multiuser DOS IRQ settings A B 3 4 5 7 10 11 12 15 IRQ J1 Note All Echo ports are interrupting on channel A IRQ 10 ...

Page 35: ...ible conficts with COM1 and COM2 Figure 6 describes a recommended DIP switch setting for port addresses See Figures 1 2 and 3 in Chapter 1 Introduction for the location of switch block SW1 Technical Tip 1 You can run under DOS the DOS programs porttest exe and portfind exe to verify your settings and assure you have no hardware conflicts You will find these programs on the DFlex DOS Driver diskett...

Page 36: ... address 2B0 hex Port 8 address 2B8 hex In choosing an interrupt request line you should note that QNX vectors interrupt 3 and 4 to the serial handler However QNX enables interrupt 4 only If you are using interrupt 3 you will have to use the following command to enable interrupt 3 Example stty inton 3 If you use an interrupt other than 3 or 4 you will need to use the following commands Example stt...

Page 37: ... enable that interrupt Note You can find more information on these commands by referring to the stty command in your QNX Operating System Manual Figure 7 shows the recommended IRQ jumper settings See Figures 1 2 and 3 in Chapter 1 Introduction for the location of jumper J1 Figure 7 QNX 2 XX IRQ settings A B 3 4 5 7 10 11 12 15 IRQ J1 Note All ports are interrupting on channel A IRQ 3 ...

Page 38: ...DSR on initially default D Set DSR off initially e Set options to edit mode E Set options to raw mode default f Enable hardware flow control default F Disable hardware flow control h number Define high water mark for input flow control default 3 4 point of input buffer I number Size of raw input buffer default 2048 l number Define low water mark for input flow control default 1 4 point of input bu...

Page 39: ...fer to Figures 8 and 9 for the DIP switch and jumper settings for your Echo adapter and Figures 1 2 and 3 in Chapter 1 Introduction for the location of switch block SW1 and jumper block J1 Technical Tip 1 You can run under DOS the DOS programs porttest exe and portfind exe to verify your settings and assure you have no hardware conflicts You will find these programs on the DFlex DOS Driver diskett...

Page 40: ... 2 address 288 hex Status port address Status port is disabled IRQ channel s IRQ line for all ports is on channel A SW1 Port 3 address 290 hex Port 4 address 298 hex Port 5 address 2A0 hex Port 6 address 2A8 hex Port 7 address 2B0 hex Port 8 address 2B8 hex Figure 9 QNX 4 XX IRQ settings A B 3 4 5 7 10 11 12 15 IRQ J1 Note All Echo ports are interrupting on channel A IRQ 10 ...

Page 41: ...nd jumper settings for your Echo adapter and Figures 1 2 and 3 in Chapter 1 Introduction for the location of switch block SW1 and jumper block J1 Technical Tip You can run under DOS the DOS programs porttest exe and portfind exe to verify your settings and assure you have no hardware conflicts You will find these programs on the DFlex DOS Driver diskette p n DISK306 Figure 10 QNX 4 XX switch setti...

Page 42: ...tallation QNX 4 XX Echo User s Manual ver 0 00 Figure 11 QNX 4 XX IRQ settings A B 3 4 5 7 10 11 12 15 IRQ J1 Note All Echo odd ports are interrupting on channel A IRQ 4 and all Echo even ports are interrupting on channel B IRQ 3 ...

Page 43: ...or the Knowledge Database in the Support Center on the Connect Tech website for product manuals installation guides device driver software and technical tips If these sources do not provide you with the help you need please contact a Connect Tech Technical Support Representative via email telephone or fax for further information numbers and addresses are found inside the front cover of the manual ...

Page 44: ...ches on switch block SW1 and jumpers on jumper block J1 for your Echo adapter and install the it in your computer See Figures 1 2 and 3 in Chapter 1 Introduction for the location of switch block SW1 and jumper block J1 Figures 12 and 13 show the switch settings and jumper settings of an Echo set for the following sample configuration starting I O address 280h interrrupt request IRQ 10 status port ...

Page 45: ... for product manuals installation guides device driver software and technical tips If these sources do not provide you with the help you need please contact a Connect Tech Technical Support Representative via email telephone or fax for further information numbers and addresses are found inside the front cover of the manual Figure 12 SCO Unix switch settings Reserved must be OFF Base address sets P...

Page 46: ...o directory and backup the file space c 2 Open the file space c with your editor You will find listings for many different serial adapters so search the list until you find an entry for a Stargate adapter The Stargate entries are essentially compatible with the Echo adapter This entry should look like the following 2 STARGATE 8 4 8 sd 0x280 0x280 STAR_POLL 8 MCRBIT3 AT Stargate We can describe the...

Page 47: ...Unix serial driver what to expect from the hardware of ports The number of ports found on the serial adapter IRQ The IRQ setting for the adapter Minor Each COM has a different minor number Example COM1 0 is the minor number COM2 8 is the minor number COM3 16 is the minor number COM4 24 is the minor number Note These numbers vary according to the values in your file usr lib mkdev perms SER Port add...

Page 48: ... of this entry and modify it to reflect the settings of your Echo adapter Example 2 STARGATE 8 10 16 sd 0x280 0x280 STAR_POLL 8 MCRBIT3 AT Echo 8 This example entry reflects a base address setting of 280h and an IRQ setting of 10 for an Echo adapter 4 Insert the modified entry among the other COM3 entries in the space c file 5 Save the file and exit ...

Page 49: ... bin bin 1 dev tty3b 5 17 SER3 c666 bin bin 1 dev tty3c 5 18 SER3 c666 bin bin 1 dev tty3d 5 19 SER3 c666 bin bin 1 dev tty3e 5 20 SER3 c666 bin bin 1 dev tty3f 5 21 SER3 c666 bin bin 1 dev tty3g 5 22 SER3 c666 bin bin 1 dev tty3h 5 23 You will find further down in the SER file the modem device names You must modify this section in a similar fashion to the above When completed this section should ...

Page 50: ...played Select the Echo board corresponding to the changes you made in the space c file and make the following choices Enter the default baud rate i e 9600 Enter m for 9600 n 8 1 The system will now prompt you with a number of yes or no questions about rebuilding the kernel Answer yes to all of these to build the kernel with the new Echo settings This will take about two minutes to complete Step 5 ...

Page 51: ...for conflicting devices in your system It is possible that there is a conflict between the Echo adapter and another board in the system This could be an IRQ or I O port conflict Try using the porttest exe and portfind exe found on the DFlex DOS Driver diskette p n DISK306 to find the hardware conflicts 3 If you use a system with a Plug and Play PnP BIOS or PCI bus you might have to configure the C...

Page 52: ...r the Knowledge Database in the Support Center on the Connect Tech website for product manuals installation guides device driver software and technical tips If these sources do not provide you with the help you need please contact a Connect Tech Technical Support Representative via email telephone or fax for further information numbers and addresses are found inside the front cover of the manual ...

Page 53: ... a Windows driver diskette or you require additional information please go to the Download Zone or the Knowledge Database in the Support Center on the Connect Tech website for product manuals installation guides device driver software and technical tips If these sources do not provide you with the help you need please contact a Connect Tech Technical Support Representative via email telephone or f...

Page 54: ...rial port driver extends the functionality of the standard Windows 95 Device driver to include support for newer high performance UARTs The Enhanced Driver supports both the older UARTs 16450 16550 and the newer UARTs 16750 for Windows 95 The Enhanced Driver supports Echo serial ports and standard non intelligent serial ports ...

Page 55: ...NNECT TECH INC types from the manufacturer list and the appropriate Echo board from the model type and hit NEXT 8 A range of IO port settings and an IRQ will display In most cases the settings displayed are the best settings to use Make sure these settings match the ones used by your Echo adapter You cannot change the settings at this point You will have to change them after the installation is co...

Page 56: ...ll bring up a PROPERTIES page 5 Click on the ENHANCED PORT SETTINGS tab 6 Click on the ADVANCED button The ADVANCED PORT SETTINGS dialog box will pop up 7 Check the USE FIFO BUFFERS box and select the 16554 UART choice When you select USE FIFO BUFFERS you enable the two sliders labeled RECEIVE BUFFER and TRANSMIT BUFFER Moving a slider to the right enables more buffering resulting in higher speeds...

Page 57: ...288h 290h and 298h Figure 14 shows the example switch settings Please refer to Figures 1 2 or 3 in Chapter 1 Introduction for the location of the DIP switch block SW1 Figure 14 Windows 95 switch settings When ON port 1 is COM1 3F8 hex When ON port 2 is COM2 2F8 hex Reserved must be OFF Base address sets Port 1 address 280 hex Port 2 address 288 hex Status port address When OFF status port is disab...

Page 58: ...location of the jumper block J1 Figure 15 Windows 95 IRQ settings A B 3 4 5 7 10 11 12 15 IRQ J1 Note All Echo ports interrupt on Channel A IRQ 10 Technical Tip You can run under DOS the DOS programs porttest exe and portfind exe to verify your settings and assure you have no hardware conflicts You will find these programs on the DFlex DOS Driver diskette p n DISK306 3 You can now install the Echo...

Page 59: ... the COM port will also bring up PROPERTIES This is where we tell Windows 95 about the settings for the Echo adapter 8 You should now have a COMMUNICATIONS PORT COM PROPERTIES window Click on the RESOURCES tab and you should see the current settings for this port These are the settings we want to change There are three steps to follow 8 1 First select BASIC CONFIGURATION 8 in the SETTINGS BASED ON...

Page 60: ...ons 2 There is no direct support for RS 485 half duplex communications within the Windows 95 serial driver 3 The RS 422 interface will work in point to point full duplex and multi drop communications 4 The standard Windows 95 serial driver supports standard 16450 and 16550 UARTs 5 When installing the additional serial ports Windows 95 will sometimes skip to the label COM5 6 Some Windows 95 and Win...

Page 61: ...ovide you with the help you need please contact a Connect Tech Technical Support Representative via email telephone or fax for further information numbers and addresses are found inside the front cover of the manual You can configure a single Echo serial adapter to share one IRQ allowing that Echo s serial ports to share one interrupt You can add as many Echo adapters as you have ISA slots for rem...

Page 62: ... hex Port 6 address 2A8 hex Port 7 address 2B0 hex Port 8 address 2B8 hex 2 Choose an IRQ for your Echo It is possible to have the even ports on one IRQ and the odd ports on a different IRQ but we recommend having all ports on one IRQ Good choices of IRQ s are 5 10 11 12 and 15 The two serial ports that come with your system usually use IRQ 4 3 and LPT1 is usually IRQ 7 Please refer to the Table s...

Page 63: ...s NT has started logon as administrator installation specific account 4 For Windows NT 3 51 open the MAIN PROGRAM group For Windows NT 4 0 select the START menu and SETTINGS 5 Click on the CONTROL PANEL group 6 Click on the PORTS group 7 Click the ADD button 8 Set the desired COM PORT NUMBER if necessary This number will default to next available COM PORT NUMBER in this case 3 since the system has...

Page 64: ...the Echo ports will share the same hardware Interrupt 14 1 For Windows NT v 3 51 you click on the WINDOWS NT DIAGNOSTIC icon in the ADMINISTRATIVE TOOLS group and then select TOOLS then REGISTRY 14 2 For Windows NT 4 0 select START then RUN and then enter REGEDT32 and hit the ENTER key This will bring up the Windows NT Registry Editor 14 3 Make sure you are editing the HKEY_LOCAL_MACHINE registry ...

Page 65: ...N 14 10 For Windows NT v 3 51 you click on the WINDOWS NT DIAGNOSTIC icon in the ADMINISTRATIVE TOOLS group and then select TOOLS then REGISTRY 14 11 For Windows NT 4 0 select START then RUN and then enter REGEDT32 and hit the ENTER key This will bring up the Windows NT Registry Editor 14 12 Make sure you are editing the HKEY_LOCAL_MACHINE registry 14 13 Select the SYSTEM folder 14 14 Select the C...

Page 66: ...cho adapter All Echo ports on a single board will have the same status port address so each key Serial10000 Serial10001 up to Serial1000n will have the same value Once again choose EDIT then ADD VALUE and enter in the following values EXACTLY as below Value name PortIndex Data Type REG_DWORD Value 1 Note Each key Serial10000 Serial10001 up to Serial1000n will get a unique entry for its Value You w...

Page 67: ...tions 3 There is no direct support for RS 485 half duplex communications within the Windows NT serial driver 4 The RS 422 interface will work in point to point full duplex and multi drop communications 5 Some Windows 95 and Windows NT applications can only access up to COM9 These applications include Modem Setup Wizard Printer Setup Wizard Visual Basic Terminal For developers a work around is avai...

Page 68: ......

Page 69: ...Control Signals 4 1 Dimensions 4 1 Connectors Interface 4 1 Appendix B Connectors Pinouts 4 2 Cable Connector Pinouts 4 2 Connector Box Pinouts 4 5 Appendix C Factory Settings 4 7 Echo 4 7 I O Port Address Setting 4 7 IRQ Setting 4 7 Appendix D RS 422 485 Options 4 8 RS 422 485 Cable Wiring 4 8 RS 422 485 wiring diagram 4 wire 4 8 RS 422 485 wiring diagram 2 wire 4 9 ...

Page 70: ......

Page 71: ...ed Echo 8 ports RS 232 5 VDC 5 100 mA 12 VDC 10 5 mA no driver loads 100 mA all drivers loaded 12 VDC 10 4 mA no driver loads 100 mA all drivers loaded PC Bus Interface PC interrupt is jumper selectable 3 4 5 7 10 11 12 or 15 Base address for I O ports is DIP switch selectable One half length ISA 8 bit or 16 bit slot Communications 16C654 UARTs communication controllers Programmable baud rate gene...

Page 72: ... pinouts Echo Pin No RS 232 Signal RS 485 Signal 1 DCD RxD B 2 RxD TxD B 3 TxD TxD A 4 DTR RxD A 5 SG SR 6 Reserved CTS A 7 RTS RTS A 8 CTS RTS B 9 Reserved CTS B Male DB 9 Connector 1 5 6 9 Technical Tip Please ensure that you terminate the DCD or CTS signals if your application does not use them The common way to do this is to connect DCD to DTR and or to connect CTS to RTS Failure to do so may ...

Page 73: ... B 8 6 Reserved CTS A 9 6 CTS B 10 7 RTS RTS A 11 7 CTS RTS B 12 7 Reserved CTS A 13 7 Reserved CTS B 14 7 SG SR 15 8 RTS RTS A 16 8 CTS RTS B 17 8 Reserved CTS A 18 8 CTS B 19 20 21 5 TxD TxD A 22 5 RxD TxD B 23 5 DTR RxD A 24 5 DCD RxD B 25 6 SG SR 26 6 TxD TxD A 27 6 RxD TxD B 28 6 DTR RxD A 29 6 DCD RxD B 30 7 TxD TxD A 31 7 RxD TxD B 32 7 DTR RxD A 33 7 DCD RxD B 34 35 8 TxD TxD A 36 8 RxD Tx...

Page 74: ... CTS RTS B 47 2 Reserved CTS A 48 2 CTS B 49 3 RTS RTS A 50 3 CTS RTS B 51 3 Reserved CTS A 52 3 Reserved CTS B 53 3 SG SR 54 4 RTS RTS A 55 4 CTS RTS B 56 4 Reserved CTS A 57 4 CTS B 58 59 60 1 TxD TxD A 61 1 RxD TxD B 62 1 DTR RxD A 63 1 DCD RxD B 64 2 SG SR 65 2 TxD TxD A 66 2 RxD TxD B 67 2 DTR RxD A 68 2 DCD RxD B 69 3 TxD TxD A 70 3 RxD TxD B 71 3 DTR RxD A 72 3 DCD RxD B 73 4 SG SR 74 4 TxD...

Page 75: ...this bracket is clipped on to the back of the connector box If you wish to attach the I O Box to a wall or other surface just remove the bracket fasten it in place and then re attach the connector box If you wish to set the I O Box on its rubber feet only just remove the bracket from the back See Figure 18 for the orientation of the I O Box and Table 7 for the DB9 pinouts on the connector box Figu...

Page 76: ...xD A 4 DTR RxD A 5 SG SR 6 Reserved CTS A 7 RTS RTS A 8 CTS RTS B 9 Reserved CTS B Male DB 9 Connector 1 5 6 9 Technical Tip Please ensure that you terminate the DCD or CTS signals if your application does not use them The common way to do this is to connect DCD to DTR and or to connect CTS to RTS Failure to do so may result in a loss of a performance on your Echo adapter ...

Page 77: ...ort address IRQ Interrupt Request line I O Port Address Setting The DIP switches on switch block SW1 sets the I O port addresses for the Echo adapter Connect Tech ships the Echo adapter with SW1 set for I O port addresses 280 288 290 298 2A0 2A8 2B0 2B8 hex status port disabled and all ports interrupting on channel A IRQ Setting Jumper block J1 sets the IRQ line for the Echo adapter Connect Tech s...

Page 78: ... few examples of RS 422 485 cabling schemes Figure 19 describes a 4 wire cabling scheme between a port on the Echo adapter to a port on the RS 422 485 peripheral Figure 19 RS 422 485 wiring diagram 4 wire RTS RTS CTS CTS TxD TxD RxD RxD RxD TxD RxD TxD RTS CTS RTS CTS SR SR Echo adapter RS 485 peripheral 2 3 4 5 6 7 8 9 1 Technical Tip The RS 422 485 electrical interface consists of a differential...

Page 79: ... to a port on the RS 422 485 peripheral Figure 20 RS 422 485 wiring diagram 2 wire RTS RTS CTS CTS TxD TxD RxD RxD RxD TxD RxD TxD RTS CTS RTS CTS SR SR Echo adapter RS 485 peripheral 2 1 3 4 5 6 7 8 9 Technical Tip The RS 422 485 electrical interface consists of a differential signaling scheme You should always connect the signals with twisted pairs ...

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