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198851C-01L

RS485/RS422 interface device with 4 ports, 3.6864 Mbps max baud rate, and ±15 kV ESD protection.

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    Description

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    This product, available in part numbers 779892-01, 779892-02, and 779892-03, utilizes an RS485/RS422 interface type. It features 4 ports and supports a maximum baud rate of 3.6864 Mbps, making it ideal for high-speed communications. Furthermore, it offers robust data line ESD protection of ±15 kV, ensuring durability against electrostatic discharge.

    The device is designed for long-distance communication, supporting a maximum cable length of 1.2 km (4,000 ft.). It is energy efficient, with a power consumption of 0.5 Watts (max) during active use and 50 μWatts (max) in standby/sleep mode. Additionally, it requires an external power supply of 3.5 Watts (max) from +8 to +28 VDC.

    For safety and reliability, it features a port-to-earth ground isolation of 60 VDC continuous and can withstand isolation of 1000 Vrms. The device includes a four-position, female pigtail; DB-9 male front panel connector, making it versatile for various connectivity needs. It weighs 5.4 oz. and is built to operate in a wide temperature range from –40 to 70 °C, ensuring reliable performance in harsh environments.

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    < Question 1: What is the max baud rate of the NI-9871?
    Answer 1: 3.6864 Mbps

    Question 2: How many ports does the NI-9871 have?
    Answer 2: 4 ports

    Question 3: What type of ESD protection does the NI-9871 offer?
    Answer 3: ±15 kV

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

    Question 5: What is the temperature range for the NI-9871’s operation?
    Answer 5: –40 to 70 °C

    Specification Detail
    Part Numbers 779892-01, 779892-02, 779892-03
    Interface Type RS485/RS422
    Number of Ports 4
    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 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