Moxa NPort 5400 Series 4-port RS-232/422/485 Device Server with DB9 Connectors, 12-48VDC Power Input, -40 to 75 deg. C., Power Adapter Not Included.
 
Features and Benefits
User-friendly LCD panel for easy installation
Adjustable termination and pull high/low resistors
Socket modes: TCP server, TCP client, UDP
Configure by Telnet, web browser, or Windows utility
SNMP MIB-II for network management
2 kV isolation protection for NPort 5430I/5450I/5450I-T