Specification:
Item Type: USB to 4 Way 485 Converter
Material: ABS
Function Features: USB to 4 Way Independent 485 Interface
Interface Features: Compatible with 485TIA/EIA standard
Electrical Interface: USB interface for the USB B jack (square port), 485 interface for the 10 bit terminal block
Signal Input: USB2.0, USB3.0 Interface
Signal Output: 4 Way 485 (4 com ports for external display)
Use: USB plug host (MASTER), installed the corresponding driver
Support Node: Each 485 support 32 nodes
Power Supply Mode: USB power supply, no need for external power supply.
Isolation Mode: Digital Isolation Chip
Isolated Power Supply: 1W
Signal Indication: 9 signal indicators a power (POWER), transmit (TXD), receive (RXD isolation degree of the USB side of the 1500VESD guard, continuous DC, DC module
Proof Level: 485 interface 600W per line of thunder surging guard
Applicable Communicating: Everything used by the serial communications software, plug and play
Transfer Rate: (485) 50bps-12Mbps (specific to the specification ​ shall prevail)
Using Environment: -20°C-85°C, Relative Humidity: 5%-95%
Size: Approx. 110 x 72 x 26mm / 4.33 x 2.83 x 1.02in
Product With Back Clamp/Holder​ Thickness: Approx. 45mm / 1.77in

How to Use:
Direct installation for immediate use.

packing list:
1 x USB to 4 Way 485 Converter
1 x Connecting Cable