The CS-428/9AT Mini converts RS232 signals to RS422 or RS485. It operates without any software installations. Simple DIP switch toggling between RS422 or RS485. CS-428/9AT Mini is fully compatible with PC serial COM ports.
Features
Basically operates with no power (Power applied to DTR signal)
Enables the use of external DC power supply (7~12V)
Built in Surge Protector
Auto Toggling by hardware
Communication status can be monitored through LED
Switch for RS422/485 mode
Max. 10 devices connectivity for RS422 Multi-Drop mode