img

195929E-01L

This 4-port RS485/RS422 interface device supports a 3.6864 Mbps baud rate, offers ±15 kV ESD protection, and operates between –40 to 70 °C.

In Stock | Ships Today

img

    Description

    >

    The device features Part Numbers 779892-01, 779892-02, and 779892-03, ensuring a range of options for specific requirements. It operates with an RS485/RS422 Interface Type, facilitating robust communication standards. This device is equipped with a 4-Port configuration, allowing for multiple connections to enhance system integration and scalability.

    It boasts a Maximum Baud Rate of 3.6864 Mbps, providing high-speed data transfer capabilities. The device is designed with ±15 kV data line ESD Protection, safeguarding against electrostatic discharges that could potentially harm the system. Additionally, it supports a Maximum Cable Length of 1.2 km (4,000 ft.), offering extended reach for flexible installations.

    When active, the device has a Power Consumption of 0.5 Watts (max), and during Standby/Sleep mode, it consumes a mere 50 µWatts (max), highlighting its energy efficiency. It requires an External Power Supply of 3.5 Watts (max) from +8 to +28 VDC, ensuring flexible and convenient power sourcing.

    The device is designed with 60 VDC continuous isolation port-to-earth ground, and it can withstand isolation up to 1000 Vrms, providing robust protection against voltage spikes and ensuring system integrity. Connection is made simple with a Four-position, female pigtail; DB-9 male front panel Connector, facilitating easy and secure connections.

    It has a light Weight of 5.4 oz., making it easily integrable into various setups without adding significant bulk. The device is built to operate within a Temperature Range of –40 to 70 °C, ensuring reliable performance under extreme conditions, and it has a Storage Temperature Range that further highlights its durability and resilience in various environments.


    Specification Detail
    Part Numbers 779892-01, 779892-02, 779892-03
    Interface Type RS485/RS422
    Ports 4-Port
    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
    Weight 5.4 oz.
    Operating Temperature Range –40 to 70 °C
    Storage Temperature Range Question 1: What are the part numbers associated with the NI-9871?
    Answer 1: 779892-01, 779892-02, 779892-03

    Question 2: What interface type does the NI-9871 use?
    Answer 2: RS485/RS422

    Question 3: What’s the max baud rate of the NI-9871?
    Answer 3: 3.6864 Mbps

    Question 4: What ESD protection does the NI-9871 offer?
    Answer 4: ±15 kV

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