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    RS485/422 Hub Industrial Grade RS-485/422 to 4 Ports RS-485/422 Hub with 3KA Lightning Surge Protection for Outdoors

    • UT-1304 is a bus-splitting hub designed with an internal microprocessor (uninterrupted operation) to meet the requirements of RS-485/422 systems in complex electromagnetic fields.
    • Outdoor usage: RS-485/422 connector uses photoelectric isolation technology to prevent lightning surge from introducing converters and devices, which can effectively suppress lightning and ESD. Ideal for outdoor applications.
    • Discriminant circuit: In RS-485/422 operation mode, the discriminant circuit used can automatically sense the direction of data flow, and automatic switching enables the control of the circuit, which can easily solve the problem of transmission and reception delay.
    • Stable performance: RS-485/422 interface transmission distance is greater than 1.2 km. RS-485 Hub is a high performance data interface conversion product, widely used in highway toll collection, monitoring system.
    • Reliability: Each port is protected by short circuit and open circuit. When lightning strikes or device failu
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    Standards: RS-485/422 EIA/TIA
    Interface: RS-485/422 terminal block
    Transmission media: twisted-pair or shielded wire
    Working mode: asynchronous, half-duplex or full-duplex
    LEDs for indicating PWR, TXD, RXD, and E1-E4 activity
    Isolation: 2,500VRMS 500VDC continuous isolated voltage, DC/DC isolated module
    Baud rate: 300bps-115.2Kbps
    Operating voltage: DC9-48V
    Operating current: 150mA
    Protection: RS-485/422 each wire 8/20s 3,000A lightning surge protection
    Transmission distance: 0-1,200m (115,200-300bps)
    Dimension: 210mmx130mmx33mm
    Operating temperature: -40 to 85
    Relative humidity: 5% to 95%

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