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195929A-01L

This device, with part numbers 779892-01 to 03, features a 4-port RS485/RS422, 3.6864 Mbps max baud rate, and offers up to ±15 kV ESD protection.

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    Description

    The device comes with part numbers 779892-01, 779892-02, 779892-03, designed to cater to a variety of needs. It features a 4-Port, RS485/RS422 interface, making it highly versatile for various communication requirements. With a maximum baud rate of 3.6864 Mbps, this device ensures rapid data transmission.

    To safeguard against potential damage, it is equipped with ±15 kV ESD protection on the data line. The device supports a maximum cable length of 1.2 km (4,000 ft.), allowing for extensive reach across large setups. When it comes to power efficiency, the device demonstrates exceptional performance with a maximum active power consumption of 0.5 Watts and a standby/sleep power consumption of 50 μWatts.

    It requires an external power supply of 3.5 Watts (max) from +8 to +28 VDC, ensuring flexibility in power sourcing. Safety is further enhanced through 60 VDC continuous isolation from port-to-earth ground and the ability to withstand isolation up to 1000 Vrms, providing an extra layer of protection against electrical shocks.

    The device includes a four-position, female pigtail; DB-9 male front panel connector, offering convenient and versatile connectivity options. Weighing in at 5.4 oz., it is lightweight yet robust. It operates within a temperature range of –40 to 70 °C and can be stored in temperatures ranging from –40 to 85 °C, ensuring reliability in various environmental conditions.

    Specification Detail
    Part Numbers 779892-01, 779892-02, 779892-03
    Ports 4-Port, RS485/RS422
    Maximum Baud Rate 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
    Withstand Isolation 1000 Vrms
    Connector Four-position, female pigtail; DB-9 male front panel connector
    Weight 5.4 oz.
    Operating Temperature Range –40 to 70 °C
    Storage Temperature Range –40 to 85 °C
    Question 1: What is the max baud rate of the NI-9871?
    Answer 1: 3.6864 Mbps

    Question 2: How much ESD protection does the NI-9871 offer?
    Answer 2: ±15 kV

    Question 3: What is the max cable length supported by NI-9871?
    Answer 3: 1.2 km or 4,000 ft.

    Question 4: What power supply does the NI-9871 require?
    Answer 4: +8 to +28 VDC, max 3.5 Watts

    Question 5: What is the operating temperature range of the NI-9871?
    Answer 5: –40 to 70 °C