工业级双隔离4路RS-485集线器（HUB），是一款专为解决复杂电磁场环境下RS-485大系统要求而设计的RS-485总线分割集线器(HUB)。
该产品支持传输速率达115.2KBPS，采用双向透明传输，能够把一路RS-485或一路RS-232总线分割为4路RS-485总线，或者把分割的任意一路RS-485信号透传到上位机的RS-485或RS-232总线上来。该产品下位机的每路RS-485端口都具有反接故障告警及保护功能。通过这一功能大大提高了现有RS-485网络的可靠性，有效缩短了网络的维护时间。为了保证数据通讯的安全可靠性，该产品的RS-485接口均提供有2KVAC的隔离电压保护，4级静电防护和2级辐射抗扰度防护，可以有效的防止雷击，共地和辐射干扰，安全可靠，非常适合户外工程应用。
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