Instruction/ maintenance manual of the product RS-232 - RS485/422 StarTech.com
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Installation Manual IC485S IC485SGB IC485SEU Inter face C on ver ter RS-232 to RS-485/422 Serial Interface Con verter.
1 10 Overview Changing line signals is no longer a problem. StarT ech.com’ s IC485S / GB / EU conv er ts RS-232 serial interfaces to RS-485/422 serial interfaces .
9 2 Getting Star ted This section is designed to help you prepare the IC485S / GB / EU f or installation. Please read through this section carefully before attempting to install the con verter.
3 8 Operation The IC485S / GB / EU supports 4 kinds of functions in 6 types of configurations. Point-to-P oint P oint-to-Point configur ation means two devices that locate diff erent places can be linked together to communicate through a couple of IC485S / GB / EU devices .
7 4 Multidrop Multidrop configuration means that more than two de vices can be linked all together to communicate to one another through many IC485S / GB / EU de vices.
5 6 PC1 COM1/ COM2 T+ T- R- R+ IC485S => A PC2 COM1/ COM2 R+ R- T- T+ IC485S => PC3 COM1/ COM2 => PC4 COM1/ COM2 => B1 R+ R- T- T+ IC485S B2 R+ R- T- T+ IC485S B3 Device A B SW1 DCE/DTE DC.
5 6 Simplex/T ransmit, Receive Only 3IMPLEXCONFIGURATIONMEANS THATMORETHAN TWODEVICESCANBE LINKEDALLTOGETHER TO communicate through many IC485S / GB / EU de vices. Its configuration is like the Multidrop’ s, but the master de vice can talk only and the slave de vices can listen only .
7 4 Monitor Mode Monitor configuration means an IC485S / GB / EU device can be wired to the lines of RS-232 or RS-422 devices to monitor the line signals . In this configur ation the IC485S / GB / EU will change the function of the T+ and T - to R’+ and R’- respectiv ely .
3 8 Others T erminal Block Definition The four-scre w ter minal b lock has different definitions in diff erent operation modes. )NTHE $#%$4%MODETHE TERMINAL 6.
9 2 !PPENDIX T roub leshooting )FFAILUREOF PRINTINGSTILL E XISTS UPONTHEABOVESOLUTIONSPLEASE CONTACTYOURDEALER for help . RS-232 DCE/DTE Description Note: The DTE mode de vices must be connected ti a DCE mode device because the polarity of the communication signals are different.
1 10 Radio and TV Interference Warning!!! This equipment generates , uses and radiates radio frequency energy and if not installed and used in accordance with the instruction manual may case interf erence to radio and television reception.
PP5-C9500- 2 11.
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If you already are a holder of StarTech.com RS-232 - RS485/422, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime StarTech.com RS-232 - RS485/422.
However, one of the most important roles played by the user manual is to help in solving problems with StarTech.com RS-232 - RS485/422. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device StarTech.com RS-232 - RS485/422 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
