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779892-02

This device features 4-Port RS485/RS422 with up to 3.6864 Mbps, ±15 kV ESD protection, and operates between -40 to 70 °C.

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    Description

    The product comes with part numbers 779892-01, 779892-02, 779892-03, ensuring a range of options for specific needs. It features a 4-Port RS485/RS422 for efficient serial communication, making it versatile for various industrial applications.

    It boasts a maximum baud rate of 3.6864 Mbps, allowing for high-speed data transfer that can meet the demands of most complex systems. The device is designed with ±15 kV ESD protection on the data line, providing robust protection against electrostatic discharges, thereby ensuring the safety and longevity of the device.

    The maximum cable length supported is 1.2 km (4,000 ft.), which offers great flexibility in device placement and network design. When it comes to power, it has a maximum active power consumption of 0.5 Watts and a standby/sleep power consumption of 50 μWatts, making it an energy-efficient choice. Additionally, it requires an external power supply of 3.5 Watts (max) from +8 to +28 VDC, ensuring it can be easily integrated into various power environments.

    The product also features port-to-earth ground isolation of 60 VDC continuous, and can withstand isolation up to 1000 Vrms, providing excellent protection against voltage spikes and surges. Connection is made simple through a four-position, female pigtail; DB-9 male front panel connector, offering flexibility in connectivity options.

    With a weight of 5.4 oz, it is lightweight yet durable. It operates within a temperature range of –40 to 70 °C and can be stored in temperatures ranging from –40 to 85 °C. The device can handle a humidity range of 10 to 90% RH non-condensing for operating conditions and 5 to 95% RH for storage, making

    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
    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 –40 to 85 °C
    Humidity Range (Operating and Storage) 10 to 90% RH non-condensing; 5 to 95% RH respectively
    Question 1: What is the max baud rate of the NI-9871?
    Answer 1: 3.6864 Mbps

    Question 2: Does the NI-9871 have ESD protection?
    Answer 2: Yes, ±15 kV ESD protection.

    Question 3: What power supply does NI-9871 need?
    Answer 3: +8 to +28 VDC, max 3.5 Watts.

    Question 4: How much does the NI-9871 weigh?
    Answer 4: 5.4 oz

    Question 5: What is the operating temp range for NI-9871?
    Answer 5: -40 to 70 °C