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RS-422/485 PCIe Card

User Manual

Ver. 3.00

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Summary of Contents for IP-120

Page 1: ...RS 422 485 PCIe Card User Manual Ver 3 00 All brand names and trademarks are properties of their respective owners ...

Page 2: ...1 3 System Requirements 4 1 4 Package Contents 4 Chapter 2 Getting Started 5 2 1 Hardware Installation 5 2 2 Pin Assignment 5 2 3 Jumper Settings 9 2 4 Driver Installation 12 2 4 1 Installation for Windows XP Vista 7 8 12 2 4 2 Installation for Linux 2 6 x 3 x 14 Chapter 3 Troubleshooting Tips 14 ...

Page 3: ...erating systems Users do not need to manually set jumpers to configure I O addresses and IRQ locations This boards offer independent RS 422 and RS 485 ports for connecting kinds of serial terminals on the PC based systems This board is industrial stand which offer a reliable and high performance solution for serial multi port communications 1 2 Features Compliant with PCI Express Base Specificatio...

Page 4: ...otection for all signal and power Isolation version only Plug n Play I O address and IRQ assigned by BIOS Support Windows XP Vista 7 8 Linux 2 6 x 3 x Note Optical isolation 2000V and embedded protection max ESD of 16 KV max EFT of 2 KV are available with certain models 1 3 System Requirements Windows XP Vista 7 8 10 32 64 bit Linux 2 6 x 3 x One available PCI Express slot 1 4 Package Contents 1 x...

Page 5: ... 4 To install the card carefully align the card s bus connector with the selected PCIe slot on the motherboard Push the board down firmly 5 Replace the slot bracket s holding screw to secure the card 6 Replace the computer cover and reconnect the power cord 2 2 Pin Assignment The 2 ports and 4 ports RS 232 485 PCIe Cards have a female DB44 connector on the board In this section we give the on boar...

Page 6: ...215 Page 6 cable and the male DB9 device side pin assignments for the fan out cable Male DB9 Connector Device side Pin Assignments Pin Transmission Signals RS 422 4 Wire RS 485 2 Wire RS 485 1 Tx Tx D 2 Tx Tx D ...

Page 7: ...MN2000000215 Page 7 3 Rx Rx 4 Rx Rx 5 GND GND GND Female DB44 Board side Pin Assignments 2 Port RS 422 485 PCIe Card RS 422 or 4 Wire RS 485 Port Signal 1 2 Tx 1 29 Tx 2 30 ...

Page 8: ...215 Page 8 Rx 31 12 Rx 32 28 GND GND GND 2 Wire RS 485 Port Signal 1 2 D 1 29 D 2 30 GND GND GND 4 Port RS 422 485 PCIe Card RS 422 or 4 Wire RS 485 Port Signal 1 2 3 4 Tx 1 29 27 6 Tx 2 30 23 20 Rx 31 12 10 25 ...

Page 9: ...tings For RS 422 485 serial communications when an electrical signal travels through two different resistance junctions in a transmission line the impedance mismatch will sometimes cause signal reflection Signal reflection causes signal distortion which it turn will contribute communications errors The solution to this problem is to establish the ...

Page 10: ...out termination resistors reflections of the fast driver edges can cause multiple data edges that can cause data corruption Termination resistors also reduce electrical noise sensitivity due to the lower impedance and bias resistors 120 ohms for twisted pairs are required The value of each termination resistor should be equal to the cable impedance RS 422 or 4 Wire RS485 working model with termina...

Page 11: ...t the pins to avoid impedance mismatched problem when operate under Multi drop transmission Resistors should be added near the receiving side Note Stands for termination resistor near the receiving side Factory default jumper setting is OPEN Disable 120 ohms termination resistors across the two wires J1 J2 J7 J8 RS 422 485 Mode Selector 1 Auto RS 422 485 Default This COM port can automatically det...

Page 12: ...t the same port 2 RS 422 4 Wire RS 485 This COM port forces to run RS 422 full duplex mode 2 4 Driver Installation 2 4 1 Installation for Windows XP Vista 7 8 1 Insert the provided CD into your disk drive The CD ROM will start automatically The following screen will show up and please click Install Driver ...

Page 13: ...program doesn t run automatically please locate and double click on the Autorun exe file in the CD to launch the install program 2 Please click RS 422 485 PCIe to start the installation Note Actual image may vary 3 Follow the instructions on screen to install the driver ...

Page 14: ...ithin the folder located in the CD driver Driver PCIe Linux Chapter 3 Troubleshooting Tips Some or all of the ports will not communicate with any devices Please refer to following instructions to configure Serial COM settings 1 Please launch the Device Manager 2 Right click the PCI Express UART Port COM item from the Ports COM LPT sub tree and click Properties ...

Page 15: ...cedures mentioned System fails to find the PCI Express serial board or COM port It may cause by following issue 1 The board is not properly plugged into the PCI Express slot Please clean the golden finger 2 The PCI Express slot is defective Please try to shift another slots until you find one that works 3 The mainboard dos not have an available IRQ for the PCI Express serial board Please go to the...

Page 16: ...y another mainboard testing this board working or not There are some exclamation marks in device manager and serial ports can not work properly It caused by the wrong driver installing or hardware setting Please turn off your computer firstly and re install hardware and software especially re install the correct driver ...

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