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198851F-01L

This device, with part numbers 779892-01 to 779892-03, features a 4-port RS485/RS422 with up to 3.6864 Mbps, ±15 kV ESD protection, and operates from -40 to 70 °C.

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    Description

    The product comes with part numbers 779892-01, 779892-02, and 779892-03, ensuring a range of options for specific requirements. It features a 4-Port, RS485/RS422 configuration, making it versatile for various communication needs. With a maximum baud rate of 3.6864 Mbps, it offers high-speed data transfer capabilities.

    To protect against electrical surges, the device is equipped with ±15 kV ESD protection on the data line. It supports a maximum cable length of 1.2 km (4,000 ft.), allowing for extended reach across installation sites. The power consumption is highly efficient, with a maximum of 0.5 Watts (max) during active use and only 50 μWatts (max) during standby/sleep mode.

    It requires an external power supply of 3.5 Watts (max) from +8 to +28 VDC, providing flexibility in power sourcing. The device offers significant isolation of 60 VDC continuous, port-to-earth ground; with a 1000 Vrms withstand capability, ensuring safety and reliability in various environments.

    The connector type is a four-position, female pigtail; with a DB-9 male front panel, which facilitates easy and secure connections. Weighing in at 5.4 oz., it is a lightweight yet robust device. It is designed to operate within a temperature range of -40 to 70 °C and can be stored in temperatures ranging from -40 to 85 °C. Lastly, it is built to withstand a humidity range of 10 to 90% RH (non-condensing), making it suitable for a wide array of operating and storage conditions.

    Specification Details
    Part Numbers 779892-01, 779892-02, 779892-03
    Ports 4-Port, RS485/RS422
    Baud Rate (Max) 3.6864 Mbps
    ESD Protection ±15 kV data line
    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
    Isolation 60 VDC continuous, port-to-earth ground; 1000 Vrms withstand
    Connector Four-position, female pigtail; DB-9 male front panel
    Weight 5.4 oz.
    Operating Temperature Range -40 to 70 °C
    Storage Temperature Range -40 to 85 °C
    Humidity Range (Operating and Storage) 10 to 90% RH (non-condensing),

    Question 1: How many ports does the NI-9871 have?
    Answer 1: 4 ports, RS485/RS422.

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

    Question 3: What ESD protection does the NI-9871 offer?
    Answer 3: ±15 kV on the data line.

    Question 4: What is the NI-9871’s operating temperature range?
    Answer 4: -40 to 70 °C.

    Question 5: How much power does the NI-9871 consume during use?
    Answer 5: 0.5 Watts (max).