Archived: Replacement can be found here: https://signaturesolar.com/eg4-usb-read-write-cable/
RS-485, also known as TIA-485(-A) or EIA-485, is a standard defining the electrical characteristics of drivers and receivers for use in serial communications systems. Electrical signaling is balanced, and multipoint systems are supported. This cable allows you to connect your battery to a computer, and use our battery monitoring software to check the settings of your battery, see fault codes, and more.