ANTAIRA MSC-202B1 Installation Manual
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ANTAIRA MSC-202B1 Installation Manual

2-port r422/485 serial pcie card w/ octopus cable
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2-Port R422/485 Serial PCIe Card
1. Introduction
Thank you for purchasing this 2-Port RS422/485 Serial PCI Express
(PCIe) Card. It is a universal add in card that connects to a PC
or server via the PCIe Bus, providing high-speed serial
connectivity. The serial ports are fully compatible with
RS422/485 standard by the bundled Serial COM port drivers.
Each port can be set in any mode (RS485 2-wire, RS485 4-wire
and RS422) and operate simultaneously.
There is an optional model supports Isolation and ESD
protection feature. It provides an ideal solution for most critical
applications.
2. Connector Layout
Normal Bracket
Low Profile Bracket
(optional)
J2: DB25M Connector, to DB25F-to-DB9MX2 Octopus Cable
w/ Octopus Cable

Installation Guide

JP8:
S1 Terminator
Enable/Disable
JP9:
S2 Terminator
Enable/Disable
JP2, JP5: S1
RS485 TXD
Control
JP7: S2 Mode
Selector
JP3, JP6: S2
RS485 TXD
Control
1
JP4: S1 Mode
Selector
J2: Factory Use
Only

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Summary of Contents for ANTAIRA MSC-202B1

  • Page 1: Installation Guide

    2-Port R422/485 Serial PCIe Card w/ Octopus Cable Installation Guide 1. Introduction Thank you for purchasing this 2-Port RS422/485 Serial PCI Express (PCIe) Card. It is a universal add in card that connects to a PC or server via the PCIe Bus, providing high-speed serial connectivity.

  • Page 2: Jumper Settings

    2-Port 422/485 Serial PCIe Card DB25F-to-DB9MX2 Octopus Cable: Port 1 (DB9 male) To DB25 Male Connector Port 2 (DB9 male) Features: Provides 2 RS422/485 Serial Ports over PCI Express Slot  Provides 2 DSUB-9 Connectors with the Octopus Cable  ...

  • Page 3: Mode Settings

    2-Port RS422/485 Serial PCIe Card TXD Control Selection Jumper: JP2 for S1, JP3 for S2  1. Mode Settings: JP4 (for S1) Description JP7 (for S2) 485-2W RS485 2-wire mode 485-4W (Default) 485-2W RS485 4-wire mode 485-4W 485-2W RS422 mode 485-4W Termination Resistor Enable/Disable: This jumper enables/disables the 120 Ohm termination resistor between DATA+ and DATA- of...
  • Page 4 2-Port 422/485 Serial PCIe Card Termination Resistor Enabled Echo or No Echo Settings: This jumper is to set the transmission data will be echoed back or not. The Echo mode is useful for the application program to detect if the RS485 bus has collision.

  • Page 5: Software Installation

    2-Port RS422/485 Serial PCIe Card TXD Control is Automatic (Default) 485TR MAN AUT TXD Control is Manual (Needs to be Configured 485TR Manually in the Device MAN AUT Manager) Factory Use Only Connectors (J1): This connector is only used for factory production purpose, please don’t install any jumper or cable on it! 4.
  • Page 6 2-Port 422/485 Serial PCIe Card PLEASE DO NOT LET WINDOWS AUTO SEARCH THE DRIVERS ON THE CD, it will cause problems because the INF files will be conflict in this case. Instead, please browse to the correct location (folder) manually to make sure the correct drivers are chosen and installed correctly.
  • Page 7 2-Port RS422/485 Serial PCIe Card Check Windows Version Showed in the folder here: XP32 in this example 6. RS422/485 Pin Assignments and Cable Wiring...

  • Page 8: Environmental Specifications

    2-Port 422/485 Serial PCIe Card DB9-Male Pin Assignment: 9 Pins Signal TXD- (DATA-) TXD+ (DATA+) RXD+ RXD- RS422 Cable Wiring: NC = No connection DB9 (RS422, PCIe Card) (RS422 Device) 1 TXD- 1 TXD- 2 TXD+ 2 TXD+ 3 RXD+ 3 RXD+ 4 RXD- 4 RXD-...

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