1.
Standards: conforming to USBV 1.1 2.0 and 3.1, EIA RS-485 and RS-422, backwards compatible.
2.
USB signals: VCC DATA+ DATA- GND FG
3.
RS-485 signals: T/R+, T/R-, GND.
4.
RS-422 signals: T/R+, T/R-, R+, R-, GND.
5.
Working modes: asynchronous, point-to-point or point-to-multipoint, 2-line half duplex and 4-line full duplex.
6.
Direction control: adoption of automatic data stream control for automatic recognition and control of data transmission direction.
7.
Baud rate: 300- 921.6K bps, automatic detection of the transmission rate of the serial interface signal.
8.
Workload ability: point-to-multipoint supported, a maximum of 32 RS-422 or RS-485 interface equipments are supported.
9.
Transmission distance: 1200 meters for RS-485/422 end (when 9, 600bps) and a maximum of 5 meters for USB.
10.
Interface protection: 600W lightning strike and surge protection and ±5KV electrostatic protection.
11.
Interface forms: USB terminal class C interface male head, DB9 male connector
12.
Signal indication: 3 indicator lights for Power (PWR), Send (TXD) and Receive (RXD).
13.
Transmission media: twisted-pair cable or shielded cable.
14.
Transmission rate: 128, 000bps to 300M.
38, 400bps to 600M.
9, 600bps to 1200M.
communication modes:
1. Point-to-point 4-line full duplex
2. Point-to-multipoint 4-line full duplex
3. Point-to-point 2-line half duplex
4. Point-to-multipoint 2-line half duplex