Manual Sunix RS-232/422/485

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  • Sunix RS-232/422/485 - page 1

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw RS-232/422/485 Universal PCI/PCI Express USER’S MANUAL Industrial Multiport Serial Cards Ver. 1.0, Feb. 2007 ...

  • Sunix RS-232/422/485 - page 2

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw RS-232/422/485 Universal PCI/PCI Express Industrial Multuport Serial Car ds Copy right Copyright© 2005 SUNIX Co., Ltd. All Rights Reserved. No part of this p ublication may be reprodu ced, transcr ibed, stored in a retrieval system , translated into any langu age, or trans ...

  • Sunix RS-232/422/485 - page 3

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw INDEX Chapter 1 Introduction.................................................. ...................................... Overview.................. ........................ ............................. ............................. ................... .........1-2 Package Che ...

  • Sunix RS-232/422/485 - page 4

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 1. Introduction SUNIX Serial Communication Boar ds family provides an arra y of PCI Express, PCI, PCI-104 an d PC/104 interfaces to meet your serial po rt expansion needs. Mu lti-port S erial Communic ation Board co mes in the sele ction of 2. 4.8 ports in choice of RS-232, ...

  • Sunix RS-232/422/485 - page 5

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 1-3. Product Features New Design of Matrix UA RT controller Matrix is a high ly integrated m ulti-port UA RT controll er that inclu des all of its fu nctions into a sin gle chip. In addition to those functions provided by a standard 16C 750 UART ch ip, it also equips lots o ...

  • Sunix RS-232/422/485 - page 6

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw Galvanic isolation removes the ground-loop curr ents from data lines; hence, the impressed noise voltage that affects the signal also is elim inated. Common -mod e noise can be removed completely and many forms of radiated noise can be reduced to neg ligible limit s using t ...

  • Sunix RS-232/422/485 - page 7

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw z Dimensions Dimensions (W × D) 125 x 63 mm (for RS-232 only and RS-42 2/485 only) 135 x 63 mm (for 3-in-1 only) z Regulatory Approvals Regulatory Approvals CE, FCC PCI Express Interface z Function Type PCI Express Ind ustrial Mult i-Port Serial C ard Mode of Operation Han ...

  • Sunix RS-232/422/485 - page 8

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw Regulatory Approvals CE, FCC 2. Hardware Installation This chapter includes in for mation about hardware installat ion for RS-232 Univers al PC I Multi-Port Communication Board. The following topics are covered:   Hardware Install ation   Pin Assignments 2-1. Ha ...

  • Sunix RS-232/422/485 - page 9

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 2-2. Pin Assignment ...

  • Sunix RS-232/422/485 - page 10

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 3. Software Installation After instal ling the RS-2 32/42/485 Universal PCI / PCI Express Multi- Port Communication Board in your system successfully, please follow the step by step s oftware installa tion guid e to con firm how t o install appropri ate driver and configure ...

  • Sunix RS-232/422/485 - page 11

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (1) Please inse rt the driver CD in your CD/DV D-ROM drive. (2) Please c lick “ Next ” to continue. (3) Please choo se “ Search fo r a suitab le driver fo r my device (re commended ) “optio n, and clic k “ Next ” again to continue. (4) Please choose the 2 item s ...

  • Sunix RS-232/422/485 - page 12

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (6) Please choose the CD/DVD-ROM d rive, and choose the path “ Windows2K &XP&2003&Vista_32bit ”, and click “ Open ” to continue. (7) Please c lick “ OK ” to continue. (8) Please c lick “ Next ” to continue. ...

  • Sunix RS-232/422/485 - page 13

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (9) Please c lick “ Yes ” to continue. (10) Please click “ Finish ” to continue. ...

  • Sunix RS-232/422/485 - page 14

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (11) Please click “ Next ” to continue. (12) Please choose “ S earch for a su itable dr iver for my de vice (recom mended) “option, and click “ Next ” again to continu e. ...

  • Sunix RS-232/422/485 - page 15

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (13) Please choose the 2 it ems as below, then click “ Next ” to continues. (14) Please click “ OK ” to continue. ...

  • Sunix RS-232/422/485 - page 16

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (15) Please click “ Next ” to continue. (16) Please click “ Finish ” to continue. Note. Please return step11~step16 to install. ...

  • Sunix RS-232/422/485 - page 17

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw   Configure the Seri al Port Settings 1. Please launch the “ Device Manager ” 2. Right click the “ SUNIX Mat rix Serial port XXX (COM XXX) ” item from the “ Ports (COM & L PT) ” sub-tree and click “ Properties ”. ...

  • Sunix RS-232/422/485 - page 18

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 3. Click “ Port Se ttin gs ” tab page and cl ick “ Advanc ed ” for advanced settings. 4. Click “ Defaul ts ” button for restor ing default advanced settings. ...

  • Sunix RS-232/422/485 - page 19

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 5. Check/Un-check the “ Enab le 64 Byte FIFO buffe rs ” checkbox to enable / disab l e the hardware FIFO buffering feature or you can select the s ize of FIFO if “ Use FIFO bu ffers control” is enabled. 6 . R e - m ap t h e C O M p o r t n u m b e r b y s e l e c t ...

  • Sunix RS-232/422/485 - page 20

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw  Uninstalling De vice 1. Please launch the Device Manager , and find the SUNIX Matri x Serial Por t XXX (COMXXX ) . 2. Right click the “ SUNIX Mat rix Serial port XXX (COMX XX) ” item from the “ Ports (COM & LPT) ” sub-tree and click “ Uninstall ”. ...

  • Sunix RS-232/422/485 - page 21

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 3. Please click “ OK ” to remove driver, and repeat step2~step3 to remove other ports. 3-2. Windows XP (32 / 64-bit) The following p rocedure is for installing PC I / PCI-E serial board driver under 32 / 64- bit hardware syste m under Windows XP. Th is driver is certi f ...

  • Sunix RS-232/422/485 - page 22

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (1) Please choose “ No, not this time ” option, and click “ Next ” to continue. (2) Please inse rt the dr iver CD in yo ur CD/DVD ROM drive, and choose “Install f rom a list o r specific lo cation (Advanced)” option, and click “Next” to continue.. (3) Please ...

  • Sunix RS-232/422/485 - page 23

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (4) Please choo se the CD-ROM drive, an d f ind the driver fold er , and click “ OK ” to continue. P.S.1. XP 32bit, please use the fo lder Wind ows2K&XP &2003&Vista_32bit P.S.2. XP 64bit, please use the f older WindowsXP&2003_64bit (5) Please c lick ...

  • Sunix RS-232/422/485 - page 24

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (6) Please c lick “ Continue Anyway ” to continue. (7) Please c lick “ Finish ” to continue. ...

  • Sunix RS-232/422/485 - page 25

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (8) Please choo se “ Install fro m a list or sp ecific loc ation (Advan ced) ” option, and click “ Next ” to continue. (9) Please c lick “ Next ” to continue. ...

  • Sunix RS-232/422/485 - page 26

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (10) Please click “ Continue Anyway ” to continue. (11) Please click “ Finish ” to continue. Note. Please repeat st ep8~step11 to install. ...

  • Sunix RS-232/422/485 - page 27

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw  Configure the Serial Port Setting s 1. Please launch the “ Device Manager ” from Star t Æ Control Panel Æ System ...

  • Sunix RS-232/422/485 - page 28

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 2. Right click the “ SUNIX Mat rix Serial port XX X (COMXXX)” it em from the “P orts (COM & LPT) ” sub-tree and click “Properties”. 3. Click “ Port Se ttin gs ” tab page and cl ick “ Advanc ed ” for advanced settings. ...

  • Sunix RS-232/422/485 - page 29

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 4. Click “Defaults” button for restoring default advanced settings. 5. Check/Un-check the “ En able 64 Byte F IFO buffers ” checkbox to enable / disabl e the hardware FIFO buff ering feature or you can select the s ize of FIFO if “ Use FIFO bu ffers control” is ...

  • Sunix RS-232/422/485 - page 30

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 6 . R e - m ap t h e C O M p o r t n u m b e r b y s e l e c t a f r e e C O M p o r t n u m b e r f r o m t h e “ COM Port Nu mber ” combo box. The (in use) means this COM port number is used by another COM port. 7. Click “ OK ” to save your settings, and repeat ab ...

  • Sunix RS-232/422/485 - page 31

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 2. Right click the “ SUNIX Mat rix Serial port XXX (COMX XX) ” item from the “Ports (COM & LPT)” sub-tree and click “ Uninstall ”. 3. Please click “ OK ” to remove driver, and repeat step2~step3 to remove other ports. ...

  • Sunix RS-232/422/485 - page 32

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 3.3. Windows Server 2003 (32 / 64-bit) The following p rocedure is for installing PC I / PCI-E serial board driver under 32 and 64- bit operation system Server 2003 including 32bit dr iver and both INTEL and AMD 64-bit hard ware systems. INTEL: Windows Server 2003 for 64-Bi ...

  • Sunix RS-232/422/485 - page 33

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (2) Please selec t “ Install f rom a list or specif ic location (Advance) ”, and Click “ Next ” to continue. (3) Please choose the 2 it ems as below, and click “ Browser ” to continue. ...

  • Sunix RS-232/422/485 - page 34

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (4) Please choo se CD driver fo lder to instal l multi-port card driver, and click “ OK ” to continue. P.S.1. 32bit, please use the fo lder Wind ows2K&XP &200 3&Vista_32bit P.S.2. 64bit, please use the folder WindowsXP&2003_6 4bit (5) Please c lick ? ...

  • Sunix RS-232/422/485 - page 35

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (6) Please c lick “ Continue Anyway ” to con tinue install. (7) Please c lick “ Finish ” to continue. ...

  • Sunix RS-232/422/485 - page 36

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (8) Please choo se “ No, no this time ” option, and click “ Next ” to continue. ...

  • Sunix RS-232/422/485 - page 37

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (9) Please choo se “ Install fro m a list or sp ecific loc ation (Advan ce) ” option, and click “ Next ” to continue. (10) Please click “ Next ” to continue. (11) Please click “ Continue Anyway ” to continue. ...

  • Sunix RS-232/422/485 - page 38

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (12) Please click “ Finish ” to continue. Note. Please repeat st ep8~step12 to install.  Configure the Serial Port Setting s 1. Plea se launch the “ Device Manager ” ...

  • Sunix RS-232/422/485 - page 39

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 2. Right cl ick the “ SUNIX M atrix Serial Port (COMXXX) ” item from the “ Ports (COM & LPT) ” sub-tree and click “ Properties ”. 3. Click “ Port Se ttin gs ” tab page and cl ick “ Advanc ed ” for advanced settings. ...

  • Sunix RS-232/422/485 - page 40

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 4. Click “ Defaul ts ” button for restor ing default advanced settings. ...

  • Sunix RS-232/422/485 - page 41

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 5. Check/Un-check the “ En able 64 Byte F IFO buffers ” checkbox to enable / disabl e the hardware FIFO buff ering feature or you can select the size of F IFO if “ Use FIFO buffers control ” is enabled. 6 . R e - m ap t h e C O M p o r t n u m b e r b y s e l e c t ...

  • Sunix RS-232/422/485 - page 42

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw  Uninstalling Device 1. Please launch the “ Device Manager ” 2. Expand the “ Ports (COM & LPT) ” sub-tree and right-click the mouse on “ SUNIX Matrix Serial Port (COMXXX) ” item, and select “ Uninstall ”. ...

  • Sunix RS-232/422/485 - page 43

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 3. Please click “ OK ” to remove driver, and repeat step2~step3 to remove other ports. 3.4. Vista (32-bit) The following procedure is for installing PCI / P CI-E serial boar d driver und er 32 -bit op eration system Vista including 32bit driver.  Installing Driver On ...

  • Sunix RS-232/422/485 - page 44

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (2) Please c lick “ Don’t search online ” to continue. (3) Please c lick “ I don’t have the disc. Show me other options. ” to continue. ...

  • Sunix RS-232/422/485 - page 45

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (4) Please c lick “ Bro wse my computer for drivers software (advanced ) ” to continue. (5) Please c lick “ Browse ” to choose driver fo lder. ...

  • Sunix RS-232/422/485 - page 46

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (6) Please choose th e CD/DVD-ROM drive, an d select the driver folder “ Windo ws2K&XP&2 003&Vista_ 32bit ” , and click “ OK ” to continue install. (7) Please c lick “ Next ” to continue. ...

  • Sunix RS-232/422/485 - page 47

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (8) Please c lick “ Inst all this dr iver softwar e anyway ” to continue. (9) Please c lick “ Close ” to continue. ...

  • Sunix RS-232/422/485 - page 48

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (10) Please click “ Don’t search onlin e ” to continue. (11) Please click “ I don’t have the disc. Show me other options ” to continue. ...

  • Sunix RS-232/422/485 - page 49

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (12) Please click “ Browse my computer for drive r software (advanced) ” to continue. (13) Please click “ Next ” to continue. ...

  • Sunix RS-232/422/485 - page 50

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw (14) Please click “ Inst all this d river softwa re anywa y ” to continue. (15) Please click “ Close ” to continue. Not e. Please repeat st ep10~step15 to install. ...

  • Sunix RS-232/422/485 - page 51

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw  C o n f i g u r e t h e Se rial Port Settings 1. Plea se launch the “ Control Panel ” , and launch the “ Device Manager ” ...

  • Sunix RS-232/422/485 - page 52

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 2. Right cl ick the “ SUNIX M atrix Serial Port XXX (COMX XX) ” item from the “ Ports (COM & LPT) ” sub-tree and click “ Properties ”. 3. Click “ Port Se ttin gs ” tab page and cl ick “ Advanc ed ” for advanced settings. ...

  • Sunix RS-232/422/485 - page 53

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 4. Click “ Defaul ts ” button for restor ing default advanced settings. ...

  • Sunix RS-232/422/485 - page 54

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 5. Check/Un-check the “ En able 64 Byte F IFO buffers ” checkbox to enable / disabl e the hardware FIFO buff ering feature or you can select the size of F IFO if “ Use FIFO buffers control ” is enabled. 6. Re-map the COM port number by select a free COM port number ...

  • Sunix RS-232/422/485 - page 55

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw  Uninstalling Device 1. Please launch the “ Device Manager ” 2. Expand the “ Ports (COM & LPT) ” sub-tree and right-click the mouse on “ SUNIX Matrix Serial Port (COMXXX) ” item, and select “ Uninstall ”. ...

  • Sunix RS-232/422/485 - page 56

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 3. Please choose “ Delete the drive r software for this device ”, and click “ OK ” to remove driver, and repe at step2~step3 to remove other po rts. 3.5. Linux The drivers for Linux support both kernel 2.4.x and 2.6.x along with various Linux distributions. Separa t ...

  • Sunix RS-232/422/485 - page 57

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw The installation steps describe d below is sho wed as a general case. More detail descr iption abo ut installa tion could be found on the readme file along with the driver package. 3.5.1. Driver Installation To install the driver, fol low each step s showed below. Package f ...

  • Sunix RS-232/422/485 - page 58

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw If there are more than two boards installed, device nameing convention table as bel ow. Board Number Device Name 1st board ttySMX0 ~ ttySMX7 2nd board tt ySMX8 ~ ttySMX15 3rd board tt ySMX16 ~ ttySMX23 4th board tt ySMX24 ~ ttySMX31 7. To dump information for those serial p ...

  • Sunix RS-232/422/485 - page 59

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 4. Troubleshooting This chapter shows some problems th at user came with usually. Also you can check it if the PCI / PCI-E serial board can not work properly in your system after follo wing h ardware an d softwa re installat ion steps.  Troubleshooting 1. System fails to ...

  • Sunix RS-232/422/485 - page 60

    SUNIX NCCI Co., Ltd. TEL : +886-2-8913- 1987 Email : info@sunix-ncci.com.tw 5. Appendix This chapter sh ows PCI / PCI-E serial board core technolog ies and sho ws you how to co ntact with u s for inform ation about this and other products. In this appendix, we cover the following top ics.  Contract Information Customer satisfaction is our number ...

Manufacturer Sunix Category Computer Hardware

Documents that we receive from a manufacturer of a Sunix RS-232/422/485 can be divided into several groups. They are, among others:
- Sunix technical drawings
- RS-232/422/485 manuals
- Sunix product data sheets
- information booklets
- or energy labels Sunix RS-232/422/485
All of them are important, but the most important information from the point of view of use of the device are in the user manual Sunix RS-232/422/485.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Sunix RS-232/422/485, service manual, brief instructions and user manuals Sunix RS-232/422/485. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Sunix RS-232/422/485.

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A complete manual for the device Sunix RS-232/422/485, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Sunix RS-232/422/485 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Sunix RS-232/422/485.

A complete Sunix manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Sunix RS-232/422/485 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Sunix RS-232/422/485, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Sunix RS-232/422/485, that we can find in the current document
3. Tips how to use the basic functions of the device Sunix RS-232/422/485 - which should help us in our first steps of using Sunix RS-232/422/485
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Sunix RS-232/422/485
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Sunix RS-232/422/485 in a specific country, if it was not possible to solve the problem on our own.

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