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"/python/html5/menu_attr_pair/1000/594000/menu_attr_pair_ProductType_ELECTRONICADAPTER_1_cfff52bc03.html" } ], "name_url": "/python/html5/menu_attr_pair/1000/594000/menu_attr_pair_ProductType_ELECTRONICADAPTER_1_cfff52bc03.html" }, { "name": "ProductTypeName", "values": [ { "value": "ELECTRONIC_ADAPTER", "url": "/python/html5/menu_attr_pair/1000/213000/menu_attr_pair_ProductTypeName_ELECTRONICADAPTER_1_c2a338cada.html" } ], "name_url": "/python/html5/menu_attr_pair/1000/213000/menu_attr_pair_ProductTypeName_ELECTRONICADAPTER_1_c2a338cada.html" }, { "name": "Product_description", "values": [ { "value": "The ES-U-2008-M is an 8-port USB to Serial Adapter. It quickly allows the addition of eight RS422 / RS485 serial communication ports to your system by connecting to a single USB port. Each of the 8 ports can be individually configured to RS422 or RS485 modes using DIP switches. The ES-U-2008-M is provided with an external power supply (100 V - 240 V input) and can be mounted on a DIN rail using the supplied brackets. The ES-U-2008-M is compatible with a wide range of operating systems including Windows 10, 8, 7, Vista, XP, 2000, ME, 98, Server 2012, 2008, Mac, Linux and WinCE (4.2 – 7.0). The latest drivers are available from the Downloads tab on this page. Features: · DIP switches allow each port to be individually configured for RS485 full-duplex, RS485 half-duplex or RS422 modes · Industry standard FTDI FT4232H chipset and drivers . Virtual Com Port drivers make all ports appear as standard Windows COM ports · Internal FIFO buffers - 1 Kbyte transmit buffer and 1 Kbyte receive buffer per port · Full hardware and software flow control · Automatic transmit buffer control for 2-wire RS485 half-duplex operation · Serial port baud rates up to 1Mbps with non-standard rates supported · Eight DB9 male serial connectors · RS422 signals: Tx-, Tx+, Rx+, Rx-, GND, RTS-, RTS+, CTS+, CTS- RS485 signals: Full-duplex: Tx-, Tx+, Rx+, Rx-, GND Half-duplex: data-, data+, GND · Selectable Internal 120 Ohm termination resistors for Tx, Rx and CTS termination · Internal 750 Ohm biasing resistors for Tx and Rx biasing - selectable by jumper · ESD surge protection (15 KV) · Two LEDs per port indicate data transmit and receive (0.9 meter USB cable included) · External power supply (100 V - 240 V input) · Metal chassis with wall mounting; DIN rail brackets available separately · Dimensions: 171 mm x 99 mm x 46 mm / 193 mm x 99 mm x 47 mm 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"/python/html5/menu_attr_pair/1000/335000/menu_attr_pair_Width_120_1_f7a8a6f2e9.html" } ], "images": [], "distributors": [ { "name": "Allied Electronics", "sku": "70623543", "url": "https://www.alliedelec.com/product/easysync/es-u-2008-m/70623543/", "pricing": [], "stock": { "available": false, "quantity": null, "lead_time_days": null }, "moq": 1, "multiple": 1 } ], "amazon": { "available": true, "products": [ { "asin": "B0725NG1RR", "title": "USB TO 8-PORT RS422/RS485 SERIAL ADAPTER", "brand": "EasySYNC Limited", "image": "https://m.media-amazon.com/images/I/41KqnAp2JgL._SL75_.jpg", "url": "https://www.amazon.com/dp/B0725NG1RR?tag=atariguidz-20", "description": "The ES-U-2008-M is an 8-port USB to Serial Adapter. It quickly allows the addition of eight RS422 / RS485 serial communication ports to your system by connecting to a single USB port. Each of the 8 ports can be individually configured to RS422 or RS485 modes using DIP switches. The ES-U-2008-M is provided with an external power supply (100 V - 240 V input) and can be mounted on a DIN rail using the supplied brackets. The ES-U-2008-M is compatible with a wide range of operating systems including Windows 10, 8, 7, Vista, XP, 2000, ME, 98, Server 2012, 2008, Mac, Linux and WinCE (4.2 – 7.0). The latest drivers are available from the Downloads tab on this page. Features: · DIP switches allow each port to be individually configured for RS485 full-duplex, RS485 half-duplex or RS422 modes · Industry standard FTDI FT4232H chipset and drivers . Virtual Com Port drivers make all ports appear as standard Windows COM ports · Internal FIFO buffers - 1 Kbyte transmit buffer and 1 Kbyte receive buffer per port · Full hardware and software flow control · Automatic transmit buffer control for 2-wire RS485 half-duplex operation · Serial port baud rates up to 1Mbps with non-standard rates supported · Eight DB9 male serial connectors · RS422 signals: Tx-, Tx+, Rx+, Rx-, GND, RTS-, RTS+, CTS+, CTS- RS485 signals: Full-duplex: Tx-, Tx+, Rx+, Rx-, GND Half-duplex: data-, data+, GND · Selectable Internal 120 Ohm termination resistors for Tx, Rx and CTS termination · Internal 750 Ohm biasing resistors for Tx and Rx biasing - selectable by jumper · ESD surge protection (15 KV) · Two LEDs per port indicate data transmit and receive (0.9 meter USB cable included) · External power supply (100 V - 240 V input) · Metal chassis with wall mounting; DIN rail brackets available separately · Dimensions: 171 mm x 99 mm x 46 mm / 193 mm x 99 mm x 47 mm with DIN rail brackets", "features": [ "USB TO 8-PORT RS422 / RS485 SERIAL ADAPTER" ] } ] }, "metadata": { "generated_date": "2026-04-26", "last_updated": "2026-04-26", "data_sources": [ "Allied Electronics", "Amazon" ], "completeness": 0.9, "version": "1.2" } } }, "pagination": null, "nav": { "home": "/python/html5/index.html", "brands": "/python/html5/menu_brand_index/menu_brand_index_brands_87101ba214.html", "parts": "/python/html5/menu_part_index/menu_part_index_parts_909e6bf0ca.html", "attributes": "/python/html5/menu_attr_index/menu_attr_index_attributes_d7f67a250d.html" } }