1. Compatible standards: The interface is compatible with EIA/TIA RS-485 and RS-422 standards
2. Material: ABS
3. Wire structure: 24WG wire, 80 braided tinned copper braid + aluminum foil double shielding + four tensile rope + 7 cores + 8mm thick wire body, fully shielded environment
4. Chip: FTDI-FT232RL+sp485 dual chip
5. Working mode: asynchronous half-duplex communication, asynchronous full-duplex communication
6. USB signal: VCC, DATA+, DATA-, GND
7. RS-485/RS-422/DB9 pin signal: T/R+, T/R-, GND
8. Signal indication: red light for power supply, green light for sending signal, yellow light for receiving signal
9. Communication rate: 300bps-460800bps, automatic detection of serial port signal rate
10. Communication distance: about 0-5 meters at the USB end; about 0-1200 meters at the RS-485/RS-422 end
11. Number of connectable nodes: support RS-485/RS-422 terminal 32 nodes
12. Communication mode: RS-485 point-to-point half-duplex communication, RS-485 point-to-multipoint half-duplex communication, RS-422 point-to-point full-duplex communication, RS-422 point-to-multipoint full-duplex communication
13. Protection level: about 15kV IEC1000-4-2 Air Discharge
14. Lightning protection and surge protection: 600W lightning surge protection
15. Wiring method: terminal equipment can be connected by twisted pair or shielded wire
16. Transmission medium: twisted pair or shielded wire
17. Support system: Windows10/8/8.1/7, Server 2008, XP, Vista, Mac OS8/9, OS-X, Linux2.4 and other systems
18. Power supply mode: USB power supply
19. Voltage range: 5V
20. Working current: less than 300mA
21. Application scenarios: industrial automation control system, access control system, power control system, parking lot system, attendance machine, industrial computer, PLC controller, etc.
22. Length: about 1.2m

Features:
1. Built-in FTDI-FT232RL+SP485 dual-chip, high-speed logic processing chip, TVS insurance diode, support RS485/422 protocol equipment long-distance transmission, stable and durable
2. 32 RS485/422 devices can be connected, the data communication baud rate range is about 300bps-460800bps
3. Wide range of applications, suitable for connection between computers and various RS485/422 devices, two-way interactive data transmission
4. Automatically control the direction of data flow through the I/O circuit, and automatically determine and control the direction of data transmission
5. Built-in zero-delay automatic transceiver conversion, automatic detection of serial port signal rate
6. Multi-system compatibility, support Windows10/8/8.1/7, Server 2008, XP, Vista, Mac OS8/9, OS-X, Linux2.4 and other systems
7. Safety lightning protection, surge protection
8. Built-in 3 kinds of data indicators, easy to check the working status
9. Use 24WG thick 80 braided tinned copper core, tightly shielded inside and outside, to strengthen anti-electromagnetic interference