Access PCI-COM422/4 user manual Connector Pin Assignments

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Chapter 6: Connector Pin Assignments

The popular 9-pin D subminiature connector is used for interfacing to communication lines. The connector is equipped with 4-40 threaded standoffs (female screw lock) to provide strain relief.

Pin No.

RS422 Signals

1Rx-

2Tx+

3Tx-

5GND Ground

9Rx+

Table 6-1:Connector Pin Assignments

Manual MPCICOM422-4.E1b

Page 6-1

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Contents Model PCI-COM422/4 Page Page Terms and Conditions WarrantyCoverage Equipment Not Manufactured by AccesTable of Contents List of Tables List of FiguresCommunication Mode RS422 Balanced Mode OperationIntroduction COM Port CompatibilityBaud Rate Ranges SpecificationsCommunications Interface Environmental1PCI-COM422/4 Block Diagram Only One Serial Channel Shown PCI-COM422/4 Manual Manual MPCICOM422-4.E1b CD Installation InstallationInch Diskette Installation DOS/WIN3.xWinRisc.exe Directories Created on the Hard DiskPCIFind.exe SamplesInstalling the Card Input/Output Connections PCI-COM422/4 Manual Manual MPCICOM422-4.E1b Option Selection Data Cable WiringTerminations Baud Rate RangesSerial2 Subkey Interrupts2PCI-COM422/4 Option Selection Map Address Selection Sample Programs ProgrammingWindows Programming InitializationBaud Rate Divisor Max Diff. Cable Length Reception Transmission Connector Pin Assignments PCI-COM422/4 Manual Manual MPCICOM422-4.E1b Customer Comments