Professional grade USB to RS485 Converter optimized for Windows 7/8/10 and Server 2003/2008. High-Speed and  Interface compliance,USB1.1,2.0,3.0, EIA/TIA RS-485 USB

USB to RS-485 Adapter W/Terminal Block Changer
USB to RS-485 adapter provides an extra Serial Com port via USB connection and can be configured to work with RS-485 peripherals such as POS and Industrial Control devices. USB Plug and Play feature supports an easy serial port expansion and requires no IRQ, DMA, or I/O port resources. 
USB adapter features a full set of RS-485 data and control signals on its DB-9 or terminal block Changer. It supports data transfer rates of up to 3M Baud. No external power supply is required as USB adapter takes its power from the USB bus.
Features:

• Full compliance with the USB Specification 2.0 & 1.1
• Support 256 Node on the network
• ±15kV HBM ESD Protected
• Data transfer rates 300 to 3M Baud.
• Supports remote wake-up and power management
• Compatible Windows 98SE / ME / 2000 / XP / Vista / 7 / 8 / 10 and higher, Windows Server 2003 / 2008 / 2008R2 , Win CE and Mac OS 8.6 , Linux 1.5.0 and higher. 
• Changer adapter from DB-9F to 5 Pin Terminal block

Model No.    UTS-485X + DT485C    Pin Assignment
Chip    FTDI    Pin No.    DB-9(M+F)    Pin No.    Terminal Block
Data Transfer Rates    3M Baud    1    B-    1    A+
Power Consumption    56mA    2    B+    2    B-
LED    3    3    Non    3    G
Environment    

• Operating Temp:    0 °C ~ 40 °C    4    Non    4    120Ω
• Storage Temp:    -20 °C ~ 60 °C    5    GND    5    
• Humidity:    0~80% RH, Non-condensing    6    120Ω    
• Compliant:    USB spec. 2.0 / 1.1    7        
• Interface:    RS-485    8    Non
• Connector:    Host    USB Type A Male    9    Non    
• Device:    DB-9M / DB-9F to Terminal Block    
• Power Mode:    Bus    
• Housing:    Plastic