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195929A-01

This device, with part numbers 779892-01 to 03, features a 4-port RS485/RS422 interface, 3.6864 Mbps max baud rate, and operates at -40 to 70 °C.

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    Description

    The product is available under three Part Numbers: 779892-01, 779892-02, and 779892-03, ensuring a range of options to meet specific user requirements.

    It features an Interface designed for RS485/RS422 communications, providing robust data transmission capabilities.

    Equipped with a 4-Port configuration, this device offers ample connectivity for multiple devices, enhancing its utility in complex setups.

    The Maximum Baud Rate supported by the device is 3.6864 Mbps, allowing for rapid data transfer that can significantly optimize performance in time-sensitive applications.

    For protection against electrostatic discharge, the device includes Data Line ESD Protection of ±15 kV, safeguarding the integrity of data during transmission.

    It supports a Maximum Cable Length of 1.2 km (4,000 ft.), offering exceptional reach for extended network configurations without compromising signal integrity.

    In terms of energy efficiency, the device has a Power Consumption (Active) of 0.5 Watts (max) and a Power Consumption (Standby/Sleep) of 50 μWatts (max), showcasing its low power requirements.

    The device necessitates an External Power Supply of 3.5 Watts (max) from +8 to +28 VDC, ensuring flexible and convenient power sourcing options.

    With a Port-to-Earth Ground Isolation of 60 VDC continuous, and the capability to Withstand Isolation up to 1000 Vrms, it offers exceptional protection and reliability under various electrical conditions.

    The Connector Type includes a Four-position, female pigtail; DB-9 male front panel connector, providing versatile connectivity options.

    It has a Weight of 5.4 oz. Specification Details Part Numbers 779892-01, 779892-02, 779892-03 Interface RS485/RS422 Ports 4-Port Maximum Baud Rate 3.6864 Mbps Data Line ESD Protection ±15 kV Maximum Cable Length 1.2 km (4,000 ft.) Power Consumption (Active) 0.5 Watts (max) Power Consumption (Standby/Sleep) 50 μWatts (max) External Power Supply 3.5 Watts (max) from +8 to +28 VDC Port-to-Earth Ground Isolation 60 VDC continuous Withstand Isolation Up to 1000 Vrms Connector Type Four-position, female pigtail; DB-9 male front panel connector Weight 5.4 oz. Operating Temperature Range –40 to 70 °C Storage Temperature Range

    Question 1: What are the Part Numbers for the NI-9871?
    Answer 1: 779892-01, 779892-02, 779892-03

    Question 2: What is the NI-9871’s max baud rate?
    Answer 2: 3.6864 Mbps

    Question 3: How many ports does the NI-9871 have?
    Answer 3: 4

    Question 4: What is the NI-9871’s max cable length?
    Answer 4: 1.2 km or 4000 ft

    Question 5: What type of interface does the NI-9871 use?
    Answer 5: RS485/RS422