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C104P User’s Manual

Universal 4 Port Serial Board

May 1999 (7th Edition)

The content of this manual is also available in CD-ROM and at Moxa Web Site.

Moxa Technologies Co., Ltd.

Tel:

+866-2-8665-6373

Fax:

+886-2-8665-6372

www.moxa.com
[email protected]

Summary of Contents for C104P

Page 1: ...niversal 4 Port Serial Board May 1999 7th Edition The content of this manual is also available in CD ROM and at Moxa Web Site Moxa Technologies Co Ltd Tel 866 2 8665 6373 Fax 886 2 8665 6372 www moxa com support moxa com tw ...

Page 2: ...nd does not represent a commitment on the part of Moxa Moxa provides this document as is without warranty of any kind either expressed or implied including but not limited to the particular purpose Moxa may make improvements and or changes in this manual or in the product s and or the program s described in this manual at any time Information provided in this manual is intended to be accurate and ...

Page 3: ...uilt for technical support product inquiry new driver update user s manual update etc The followings are the services we provide E mail for technical support address support moxa com tw FTP site for free driver update address ftp moxa com or ftp moxa com tw user ID ftp password your_email_address World Wide Web WWW Site for product info address www moxa com or www moxa com tw ...

Page 4: ...llation guide Chapter 2 Hardware Installation Hardware installation for the C104P board and connection cable Chapter 3 Software Installation This Chapter details the software installation configuration driver loading unloading driver upgrade and removal for various operating systems Windows NT Windows 95 98 DOS and Windows 3 x Chapter 4 Serial Programming Tools This Chapter roughly describes the p...

Page 5: ...nd Hardware Configuration 2 4 Software Installation 3 1 Windows NT 3 1 Installing Driver 3 2 Configuring Board and Port 3 7 Updating Driver 3 9 Removing Driver 3 9 Windows 95 98 3 9 Installing Driver 3 10 Configuring Board and Port 3 14 Updating Driver 3 15 Removing Driver 3 16 DOS 3 17 Installing Driver 3 17 Driver Setup 3 18 Loading Driver 3 22 Unloading Driver 3 23 Windows 3 x 3 23 Installing D...

Page 6: ...lities 4 6 Windows 3 x 4 8 Windows COMM API Library Win16 4 8 Utility 4 9 Existing Applications 4 9 Connection Cable and Cable Wiring 5 1 RS 232 Cable Wiring 5 1 Troubleshooting 6 1 General Troubleshooting 6 1 Windows NT 6 4 Windows 95 98 6 5 DOS 6 6 Technical Reference A 1 Specifications A 1 PC I O Port Address Map A 3 DB37 Connector Pinouts A 4 ...

Page 7: ...ed with custom designed ASIC chip which replaces lots of conventional ICs and reduces the board to half size The whole family supports 16 bit architecture Full range of I O addresses and IRQs are available In addition with on board EEPROM for storing the configuration data the family is designed without jumper or switch These features make each port on the board truly independent to any other port...

Page 8: ...l via which the configuration utility Io irq exe can access the board which is identical to the first port s base I O address The only jumper JP1 is designed in case that users forget the CAP address Normally JP1 is left open When JP1 is short the CAP address is forced to a fixed I O address 0xA700 However to adopt quick installation described later it is a must to keep JP1 always short Quick Inst...

Page 9: ...install and configure the standard driver MOXA Serial Comm Tool For easy application development MOXA provides an easy use serial communication library under Windows NT 95 98 PComm and Windows 3 x DOS API 232 Users can use this library to develop your own applications using Microsoft C Turbo C Assembly QuickBASIC Turbo Pascal Clipper Visual Basic Visual C Borland Delphi etc Utilities such as diagn...

Page 10: ... communication tool v Support popular OS Ð Windows NT Windows 95 98 DOS Windows 3 x Linux v Compatible with many other OS Ð QNX SCO UNIX OpenServer SCO XENIX Free BSD OS 2 C104P Windows NT 3 Windows 95 98 3 DOS 3 Windows 3 x 3 Linux R QNX C SCO UNIX OpenServer C SCO XENIX C FreeBSD C OS 2 C 3 Driver supported by Moxa and shipped with product R Driver supported by Moxa but sent by request C Driver ...

Page 11: ...llowing items in the package v C104P 4 port serial async board v Device driver diskettes l Windows NT and Windows 95 98 Ñ 1 l DOS Windows 3 x Ñ 1 v C104P User s Manual This Manual v PComm Lite diskette Ñ 1 v Opt4C DB37 to 4 Ñ DB25 male connectors or Opt4D DB37 to 4 Ñ DB9 male connectors C104P P1 P2 P3 P4 ...

Page 12: ...04P board Installation Install the software from the diskette See Chapter Software Configure the driver for the board and ports Installation for respective OS Connect the devices with the cable See Chapter Connection Cable and Cable Wiring Restart the system See Chapter Software Check the driver initialization status Installation If the system restart successfully you may develop your applications...

Page 13: ...s operating systems C104P Default Settings The C104P has the following default factory settings I O address 0x180 Port 1 0x188 Port 2 0x190 Port 3 0x198 Port 4 IRQ 10 INT Vector 0x1C0 CAP Jumper JP1 Open Note If the default settings above are what you desire and good for the system without conflicts you may simply install the board in the system and go directly to the next chapter Software Install...

Page 14: ...configuration effort i e installation without running configuration program Io irq exe Simply always short the jumper JP1 The software and hardware configuration will be completed at the same time while doing the software configuration How to Do Quick Hardware Installation Users who install only one C104P board under Windows NT 95 98 are strongly recommended to do the quick installation as follows...

Page 15: ...4P boards in a system u Fail to install due to the I O address 0xA700 is not available or has conflict in the system u Use operating systems other than Windows NT and 95 98 Before proceeding the software installation detailed in the next chapter Software Installation do hardware configuration to setup the I O address and IRQ with Io irq exe detailed in the next section Remember to keep the hardwar...

Page 16: ...p I O address IRQ and INT vector of the board Please refer to the next section IO IRQ Utility and Hardware Configuration for more details Or follow the on line help to configure the C104P board After completing the hardware configuration the board is ready for use under operating systems such as Windows NT and 95 98 DOS Windows 3 x etc IO IRQ Utility and Hardware Configuration Note that the CAP ad...

Page 17: ... Installation C104P User s Manual 2 5 1 Run the utility Io irq exe contained in the driver diskette to set up I O address IRQ and INT vector of the board 2 Select Smartio Industio ISA Family and press ENTER key ...

Page 18: ... each port either sequentially or not Avoid to conflicting with any other devices IRQ Enter the IRQ 2 3 4 5 7 10 11 12 or 15 for each port independently or not Speed This field specifies the use of normal or high speed capability Normal speed ranges from 50 bps to 115 2 Kbps High speed ranges from 50 bps to 921 6 Kbps C104P support only normal speed spectrum In other word it is not available for s...

Page 19: ... of interrupt for corresponding port To use interrupt vector type in the hardware Interrupt vector I O address If not using interrupt vector type 0 or leave blank as the interrupt vector There are two modes for the C104P driver One is using interrupt vector the other is not using interrupt vector Driver employing interrupt vector scheme is supposed to have better performance than employing polling...

Page 20: ...2 8 C104P User s Manual ...

Page 21: ...ogramming Tools for programming issues Windows NT Windows NT supports up to 256 serial ports from COM1 to COM256 To fully integrate the advanced features of Windows NT multi process and multi thread pure 32 bit Windows NT device drivers are developed for the C104P multiport board The driver conforms to Win32 COMM API standard l To install the driver for the first time please go directly to the nex...

Page 22: ...board s has have already been plugged in the system slot s if you are doing quick installation 1 Please log in NT as Administrator 2 Open the Control Panel click on the Network icon and select the Adapters tab 3 Click on the Add button then the Have Disk button in Select Network Adapter 4 Specify the exact path of the driver diskette A WINDOWS NT Then click OK ...

Page 23: ...Industio Configuration Panel dialog box click Add to enter Property dialog box to add the C104P board Select the C104 Series in the Board Type field If necessary type the desired interrupt vector address in the INT Vector field Select the desired interrupt number in the Interrupt No field Type the desired base I O address in the Base I O Port Address field All the settings should match settings th...

Page 24: ...ly to the step 8 if you need not change any setting 7 In the Property dialog box select the desired port in the port list and click Port Setting to enter the individual Port setting dialog box to change the port COM number mappings or FIFO settings ...

Page 25: ...rt is mapped to COM4 sequentially If Auto Enumerating COM Number is not checked specify the COM number for individual port For instance the second port can be out of sequence say COM10 while the first port is mapped to COM3 l Rx FIFO Trigger Rx FIFO trigger levels at 1 4 8 or 14 bytes are available and the default value is 14 bytes l Tx FIFO Size Tx FIFO sizes from 1 to 16 bytes are available and ...

Page 26: ...system restarts you may check the event log issued by the MOXA driver to see if the ports of the board are initialized successfully l Enter the Administrative group click on the Event Viewer icon and select System Event Log to check a message similar to MOXA Smartio C104 Series with first serial port COM3 has been enabled for each configured board l If an error message similar to Cannot find any c...

Page 27: ... made applications such as PComm utility Terminal emulator See Serial Programming Tools chapter or HyperTerminal to transmit receive data as well as Remote Access Service to provide dial up networking capabilities Configuring Board and Port If you already have installed the driver and want to re configure the ports please follow this procedure 1 In the Control Panel click on the Network icon and s...

Page 28: ...r Interrupt no and Base I O Port Address Please see steps 6 to 8 in the previous section Installing Driver for more details except that the Board Type field is not supposed to be changed l Click Add to add one more board that is not yet configured in the system Please see steps 6 to 8 in the previous section Installing Driver for more details l Click Remove to remove the board currently selected f...

Page 29: ...n Windows 95 98 Windows 95 98 supports up to 128 serial ports from COM1 to COM128 To fully integrate the advanced features of Windows 95 98 multi process and multi thread pure 32 bit Windows 95 98 virtual device port drivers VxD compliant with communication drivers VCOMM are developed for the C104P and other MOXA multiport boards The drivers conform to the Win32 COMM API standard l To install the ...

Page 30: ...n the Complete message dialog to enter the configuration panel 4 The Moxa Smartio Industio Configuration Panel dialog will pop up for you to configure the board and ports 5 In the Moxa Smartio Industio Configuration Panel dialog box click Add to enter Property dialog box to add the C104P board Select the C104 Series in the Board Type field If necessary type the desired interrupt vector address in ...

Page 31: ... directly to the step 7 if you need not change any setting 6 In the Property dialog box select the desired port in the port list and click Port Setting to enter the individual Port setting dialog box to change the port COM number mappings or FIFO settings ...

Page 32: ...d to COM4 sequentially If Auto Enumerating COM Number is not checked specify the COM number for individual port For instance the second port can be out of sequence say COM10 while the first port is mapped to COM3 l Rx FIFO Trigger Rx FIFO trigger levels at 1 4 8 or 14 bytes are available and the default value is 14 bytes l Tx FIFO Size Tx FIFO sizes from 1 to 16 bytes are available and the default...

Page 33: ...180 port 1 COM3 Board is not found appears refer to chapter Troubleshooting for solutions Note Once the board and the driver are installed and the driver restarts successfully you can start to develop applications with the PComm library See Serial Programming Tools chapter or the Microsoft Win32 API You can also execute any ready made applications such as PComm utility Terminal emulator See Serial...

Page 34: ...details In this configuration panel you may l Click Property to enter Property dialog box to configure the selected board with the correct COM Number INT Vector Interrupt no and Base I O Port Address Please see steps 5 to 7 in the previous section Installing Driver for more details except that the Board Type field is not supposed to be changed l Click Add to add one more board that is not yet conf...

Page 35: ...Control Panel icon and then System icon and then select Device Manager tab Then select and open the MOXA Smartio Industio multiport board option and then select the C104 Series Click on Properties button and then select Driver tab and then click on Update Driver button ...

Page 36: ... Manual Removing Driver Open Control Panel icon and then Add Remove Programs icon and then select Install Uninstall tab Then select and open the MOXA Smartio Industio Driver option and then enter OK to remove the driver ...

Page 37: ...e package how to setup up the driver and how to load or unload driver For details of the serial programming API 232 Library and utilities please refer to the next chapter Serial Programming Tools Installing Driver Run the installation program DOSINST EXE in the DOS Windows 3 x driver diskette Specify the target API 232 directory e g C MOXA where software driver will be copied Press F2 to start the...

Page 38: ...g are steps for setting up the C104P driver Note that it is not intended to illustrate all the convenient functions of the setup programs when configuring the boards Please refer to the F1 on line help instructions as running setup program 1 Run the setup program BIN SETUP EXE in the API 232 directory Select Smartio Industio ISA Family in the Driver Selection dialog box ...

Page 39: ...ion C104P User s Manual 3 19 2 Press Enter to pop up the SETUP dialog box In the SETUP dialog box Press F8 to specify the CAP Address and press ENTER and then type Y YES to load the configuration of the board to be setup ...

Page 40: ...4P board will be shown along with other default settings such as port number buffer size etc Note Up to now you have completed the setup for C104P board You may skip this step and go directly to the next step 5 if you need not change any setting or configure any board ...

Page 41: ...s referred to as port number in terms of serial programming You may map the port number range to the one you prefer between 0 and 255 as long as no port number overlapping condition or port number undefined condition occurs Generally you should take the convenience of programming into consideration when specifying the port numbers for the board TxD buf size The transmission output buffer allocated...

Page 42: ...ns 2 to 3 described above 5 Press F10 to save the latest configuration and exit the SETUP program Loading Driver Having completed the setup you can load the driver BIN SER DRV EXE at the DOS prompt The driver will detect the C104P board automatically If the board s is are detected a message similar to below will show API 232 Version 3 5 Universal 2 4 8 serial ports Communication Driver Setup drive...

Page 43: ... 4 8 serial ports Communication Driver Setup driver None serial port found It means the C104P driver is not installed properly Please refer to chapter Troubleshooting for possible reasons and solutions Unloading Driver To unload release the C104P driver from memory type SER DRV Q at the DOS prompt Windows 3 x In this chapter driver installation configuration and removing procedure is described Uti...

Page 44: ...er diskette click OK in the Driver Installation dialog box to install the driver 2 When installation completed the program group MOXA Standard COMM Driver and Board Configuration dialog boxes appear If the default settings are what you desired click Save to save the configuration and exit ...

Page 45: ...click Modify type in the desired I O address in the Address field and select the desired IRQ and COM number Then click OK and Save to save the new configuration and exit 3 When configuration completed you have to quit and restart Windows so that the changes you made will take effect ...

Page 46: ...or from COM6 to COM9 depending on user s need Normally COM1 is used by mouse and to fully use the 4 MOXA ports thus COM3 to COM6 is recommended In this case the original COM1 and COM2 on PC will be still available Due to the limitations of Windows 3 x operating system itself only up to 9 COM ports are supported i e COM1 to COM9 Hence C104P with 4 ports or other 4 port non intelligent boards maximu...

Page 47: ...Software Installation C104P User s Manual 3 27 Removing Driver The program Driver Removal in the MOXA Standard COMM Driver program group is provided to remove the installed driver from the Windows ...

Page 48: ...3 28 C104P User s Manual ...

Page 49: ...on library for easy programming in most popular languages useful utilities such as diagnostic monitor and terminal emulator illustrative example programs and comprehensive on line documents The serial communication library is useful for developing a system for data communication remote access data acquisition or industrial control in the Windows NT and Windows 95 98 environment which offers an eas...

Page 50: ...plementation of multi process and multi thread serial communication programs and hence greatly reduce the developing time For complete library function description and example programs for Visual C Visual Basic and Delphi please see help file and example programs in PComm directory for more details Utilities The followings are short descriptions of each utility For details please see on line help ...

Page 51: ...agnostic for MOXA boards only A convenient diagnostic program provides internal and external testing such as IRQ TxD RxD UART CTS RTS DTR DSR DTR DCD testing etc for the MOXA boards and ports to verify correct operation of both the software and hardware ...

Page 52: ...you to watch the selected MOXA COM ports data transmitting receiving throughput and communication line status which are updated and displayed on the screen at every time interval In addition you may click on one of the specific displayed port in order to see the current communication parameters and status of that port ...

Page 53: ... 4 5 Terminal Emulator The Terminal Emulator features multi windows and supports terminal types of VT100 and ANSI You can transfer data interactively send pattern periodically or transfer file using ASCII XMODEM YMODEM ZMODEM and KERMIT protocols ...

Page 54: ...ub directory EXAMPLE language of the API 232 directory In addition for DOS C language only there are also Modem Control and File Transfer library available supporting Hayes compatible modem control as well as ASCII KERMIT XMODEM YMODEM and ZMODEM file transfer protocol functions For complete API 232 function description please see file API 232 TXT in the API 232 directory for more details Utilitie...

Page 55: ...med to disk storage for later analysis 2 The TTY terminal emulation utility allows user to view the signal status and transfer data interactively or files using ASCII XMODEM YMODEM ZMODEM and KERMIT protocols 3 The Diagnostic test utility provides port connection test with two MOXA ports connected via a properly wired cable Please see on line help as running BIN SCOPE EXE for more usage and capabi...

Page 56: ...a driver is running in the background Windows 3 x Windows COMM API Library Win16 MOXA Windows compatible COMM Driver supports Microsoft Windows COMM API such as OpenComm ReadComm WriteComm etc It supports any language conforming to the Windows COMM API like Microsoft C Borland C Visual C Visual Basic Delphi etc Sample programs for only Microsoft C Borland C and Visual Basic are supported For other...

Page 57: ... after each port opened with selected communication parameters Multiple windows for ports simultaneously are available for a demonstration of multitasking feature of Windows 3 x The Windows provided application Terminal can only make use of COM1 to COM4 which is obviously a restriction Existing Applications Many Windows software packages such as pcANYWHERE LabView FIX WinFax Pro Fax Server PROCOMM...

Page 58: ...4 10 C104P User s Manual ...

Page 59: ...pment like PC COM1 2 serial printer and terminal The term DCE is for Data Communication Equipment like modem RS 232 Cable Wiring The followings are pin assignments for various connection options C104P DB25 Male Opt4C 2 TxD 3 RxD 4 RTS 5 CTS 6 DSR 7 GND 8 DCD 20 DTR C104P DB9 Male Opt4D 1 DCD 2 RxD 3 TxD 4 DTR 5 GND 6 DSR 7 RTS 8 CTS ...

Page 60: ...m Cable C104P DTE Device DB25 Male DB25 Male TxD 2 2 TxD RxD 3 3 RxD RTS 4 4 RTS CTS 5 5 CTS DSR 6 6 DSR DTR 20 20 DTR GND 7 7 GND DCD 8 8 DCD PC COM2 port Serial Printer Terminal or any DTE Device Opt4D C104P DTE Device DB9 Male DB25 Male RxD 2 2 TxD TxD 3 3 RxD CTS 8 4 RTS RTS 7 5 CTS DTR 4 6 DSR DSR 6 20 DTR GND 5 7 GND DCD 1 8 DCD ...

Page 61: ...4C Straight through Cable C104P DCE Device DB25 Male DB25 Female TxD 2 2 RxD RxD 3 3 TxD RTS 4 4 CTS CTS 5 5 RTS DSR 6 6 DTR DTR 20 20 DSR GND 7 7 GND DCD 8 8 DCD Modem or any DCE Device Opt4D C104P DCE Device DB9 Male DB25 Female RxD 2 2 RxD TxD 3 3 TxD CTS 8 4 CTS RTS 7 5 RTS DTR 4 6 DTR DSR 6 20 DSR GND 5 7 GND DCD 1 8 DCD ...

Page 62: ... set to OFF you could just leave RTS CTS DSR DTR DCD open ignoring the connection indicated in dash lines PC COM2 port Serial Printer Terminal or any DTE Device Opt4C C104P DTE Device DB25 Male DB25 Male TxD 2 2 TxD RxD 3 3 RxD GND 7 7 GND RTS 4 4 RTS CTS 5 5 CTS DSR 6 6 DTR DTR 20 20 DSR DCD 8 8 DCD PC COM2 port Serial Printer Terminal or any DTE Device Opt4D C104P DTE Device DB9 Male DB25 Male R...

Page 63: ...ystem If that is the case re install the board and make sure that it fits well in a 16 bit slot this time Sometimes the slot for plugging the board is bad In this case try other slots until you find a good one 2 The MOXA board and driver are activated but cannot transfer transmit receive data Hardware Causes and Solutions a Check for wrong cable wiring Refer to the Connection Cable and Cable Wirin...

Page 64: ...uration Access Port CAP of the board See next problem 4 for how to solve this problem b The CAP of the board conflicts with other add on boards I O address Please change other add on boards I O address to avoid the conflict c The C104P board is not plugged in a right or good slot Please plug the board in a good 16 bit ISA slot d The C104P board may malfunction Please return for repair If any exist...

Page 65: ...e JP1 of the board jumper JP1 Install Step 3 Power on the PC Now the CAP address of the board will be 0xA700 ON Step 4 Execute Io irq under DOS environment A Io irq Step 5 Enter CAP address 0xA700 to access the board Enter the Configuration Access Port in HEX A700 Step 6 The previous hardware configuration will be shown Modify them if necessary Remember the CAP address this time Step 7 Exit the IO...

Page 66: ...em reboots the error message Another driver in the system which did not report its resources has already claimed the interrupt used by xxx appears in the Event Log This indicates that the MOXA board is found but the IRQ is conflicting with another adapter Please make sure there is no conflict with other adapter s IRQ Check the BIOS IRQ settings first Make sure that an IRQ is available 2 After the ...

Page 67: ...e COM numbers of different boards happen to be the same Try to change the COM number mappings 4 Windows NT system panic blue screen The possible reason is an IRQ or memory conflict with other ISA Bus adapters like LAN and SCSI boards or the system BIOS Please refer to the corresponding problem in the previous section General Troubleshooting for solutions Windows 95 98 This section is specific for ...

Page 68: ...his case please try other slots until you find a good one f The board might be defective DOS This section is specific for troubleshooting under DOS For general problems and solutions please see the previous section General Troubleshooting 1 After executing SER DRV EXE error message None serial port found appears a Make sure you re using the right driver b Check if the board is properly plugged int...

Page 69: ... 6 7 8 v Stop bits 1 1 5 2 v Parity none even odd space mark v UART 4 Ñ 16550 or compatible v Speed bps 50 115 2K v Connectors 4 Ñ DB25 Opt4C or DB9 male Opt4D v Data signals RS 232 Ð TxD RxD RTS CTS DTR DSR DCD GND v Surge protection max 2000V C104HS v Operating temp 0 55 J v Power requirement 90mA max 5V 55mA max 12V 75mA max 12V v Dimensions 157mm Ñ 83mm v Operating Systems See the driver suppo...

Page 70: ...Windows 95 98 3 DOS 3 Windows 3 x 3 Linux R SCO UNIX OpenServer C SCO XENIX C QNX C FreeBSD C OS 2 C 3 Driver supported by Moxa and shipped with product C Driver supported by OS R Available by request Note Download the newest drivers from the MOXA FTP service ...

Page 71: ...0 05F Timer 060 06F Keyboard 070 07F Real time clock 080 09F DMA page register 0A0 0BF Interrupt controller 2 0C0 0DF DMA controller 0F0 0FF Math coprocessor 100 1EF not usable 1F0 1F8 Fixed disk 200 207 Game I O 278 27F Parallel printer port 2 LP2 2F8 2FF Serial Port 2 COM2 300 31F Prototype card 360 36F Reserved 378 37F Parallel printer port 1 LP1 3B0 3BF Monochrome display 3C0 3CF Reserved 3D0 ...

Page 72: ...Signal Pin no Signal 1 20 RI3 2 DCD3 21 DTR3 3 GND 22 DSR3 4 CTS3 23 RTS3 5 RxD3 24 TxD3 6 RI4 25 DCD4 7 DTR4 26 GND 8 DSR4 27 CTS4 9 RTS4 28 RxD4 10 TxD4 29 RI2 11 DCD2 30 DTR2 12 GND 31 DSR2 13 CTS2 32 RTS2 14 RxD2 33 TxD2 15 RI1 34 DCD1 16 DTR1 35 GND 17 DSR1 36 CTS1 18 RTS1 37 RxD1 19 TxD1 Note make shield grounded to connector ...

Page 73: ...Windows 95 o Windows 98 o Windows NT 3 51 o Windows NT 4 0 o DOS o Windows 3 1 o Others 5 PC Host Make _________ Model _________ 6 CPU Speed _____MHz Make ______ Model ______ 7 BIOS Make __________________ Version _______ 8 Problem Description Please describes the problem as clearly as possible including the error message you see We may have to follow your description to reproduce the problem o Bo...

Page 74: ...ter product repair time v Obtain a Return Merchandise Authorization RMA number from the sales representative or dealer v Carefully pack the product in anti static package and send it pre paid to the dealer The RMA number should show on the outside of the package and include a description of the problem along with the return address and telephone number of a technical contact ...

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