National Instruments PCI-232I/4 Isolated serial interface card
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National Instruments · PCI

PCI-232I/4

The National Instruments PCI-232I/4 provides four isolated RS-232 ports on a PCI card, supporting communication up to 115.2 kb/s.

ManufacturerNational Instruments
ModelPCI-232I/4
Product TypeIsolated serial interface card
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30-Day Warrantystandard coverage
30-Day Returnspolicy applies
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Ports4 RS-232
Maximum rate115.2 kb/s
IsolationPort-to-port and port-to-host
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Overview

Product overview

Key product information and technical features.

This isolated member of NI's legacy PCI serial family uses 10P10C modular connectors. Conversion cables are required for DB-9 or DB-25 connections.

  • Four isolated serial ports.
  • 64-byte FIFO.
  • Supports standard baud rates below its maximum.
Verified specifications

Technical data

Verified product specifications.

BusPCI; 5 V only
Serial ports4
ProtocolRS-232
Maximum baud rate115.2 kb/s
Connector10-position modular jack (10P10C)
Continuous isolation, port-to-port and port-to-host60 VDC (CAT I)
Isolation withstand, port-to-port and port-to-host2000 Vrms; 5-second dielectric withstand test
Dimensions10.67 × 17.44 cm
Power requirement+5 VDC: 500 mA typical; 750 mA maximum
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National Instruments

Manufacturer

PCI

Host bus

PCI-232I/4

RS-232 interface

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

How does it differ from PCI-232/4?

PCI-232I/4 is isolated; PCI-232/4 is not.

Are all modem-control signals connected?

No. DCD, DTR, DSR and RI are not connected on PCI-232I ports.

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