Bộ chuyển đổi USB sang RS-485/422 UT-820E Mã: UT-820E Giá: Liên Hệ Hãng sản xuất: UTEK  Feature 1.     USB2.0;compliable USB1.1, 1.0 2.     Universal interface for RS-422/485 in DB9 PIN; RJ-45 connector 3.     Enhanced protection: photoelectric isolation:2.5KVrms /500VDC, 1500W lightning strike protection, ±15KV ESD protection and surging protection and grounding interference protection for each RS-422/485 line. 4.     Dedicated DC/DC module, 5.     Design of automatic data (TXD) stream control and zero delay. 6.     Baud rate: 300-115.2KBPS. 7.     Remote wake-up and power supply management supported. 8.     USB line powered. 9.     Dimensions: 97mm x 64mm x26mm. 10.  Working environment: -40℃ to 85℃, relative humidity 5% to 95%. Công ty Viễn Thông Tuấn Linh Số 15 Hoàng Đạo Thành, Kim Giang, Thanh Xuân, Hà Nội Số điện thoại: 0916955988 - 04.2242.5522 Facebook:https://www.facebook.com/ctytuanlinh Email: tuanlinhpc44@gmail.com