RS422/485 to USB Adapter with Isolation and Surge Protection
4
RS422 Cable Wiring:
RS485 Cable Wiring:
Type
Specifications
Connectors
Number of Ports
RS422 Signals
RS485 Signals (2-wire)
Baud Rate
Data Bits
Stop Bits
Parity
Isolation
Surge Protection
Power Requirement
Operating Temperature
Operating Humidity
Storage Temperature
USB type-A, DB9 Male
1 RS422/485 (for DB9M or Terminal Blocks)
TXD+, TXD-, RXD+, RXD-, GND
DATA+, DATA-, GND
300 bps to 921.6Kbps
7,8
1, 2
None, Even, Odd, Mark, Space
2500Vrms
500Watts
5V/200mA (USB Bus Powered)
0 to 55
°
C(32 to 132
°
F)
5 to 95% RH
-20 to 85
°
C (-4 to 185
°
F)
DB9 (RS422 to USB Cable)
1 TXD-
2 TXD+
3 RXD+
4 RXD-
5 GND
(RS422 Device)
1 TXD-
2 TXD+
3 RXD+
4 RXD-
5 GND
5. Specifications
DB9 (485 to USB Cable)
1 DATA-
2 DATA+
3 NC
4 NC
5 GND
(RS485 Device)
1 DATA-
2 DATA+
3 NC
4 NC
5 GND
