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National Instruments PXI-8422/4 PXI Serial Interface Module

The National Instruments PXI-8422/4 (Part Number: 777736-04) is a 4-Port, Isolated, RS-232 Interface Module. This module incorporates a breakout box that associates with the SCSI 100-stick connector on the module and ends in four standard DB-9 male connectors.

 This model is an elite interface for rapid, port-to-port segregated communications with RS-232 gadgets. It includes superior DMA exchanges, multithreading, and a multiprocessor bolster. NI serial interfaces also show up as standard COM ports for similarity with programs that use serial communications.

The NI PXI-8422/4 RS-232 Interface Module comes with the TCP/IP communication convention, which handles all communications between the serial gadget server and the host PC that keeps running on inner firmware in the serial gadget server. A design utility arranges the IP address of the serial gadget server and uncovers all extra serial ports to the working framework for prompt use by any application programming bundle utilizing a standard Microsoft Windows Serial (COM) port interface.

This module has 2000 V with optical with port-to-port isolation, 64 B transmit and receive FIFOS (128 B with PXI-8422/4), DE9M (DB9) connectors without cables, and standard baud rates up to 115.2 kb/s.

The PXI-8422/4 RS-232 Interface Module common full-duplex multidrop bus architecture that includes a master-slave convention. Just a single gadget, the master, can control access to the bus. Every single other gadget is a slave. Slave gadgets must wait for the master to give them access to the bus. In a common system, one transmission line associates the bus master with all the slave receivers.

PXI-8422/4 Obsolete Status has been announced by National Instruments, but the module will still be available for purchase and repairs by Apex Waves.