4-port RS-232/422/485 serial device server
• Serial QoS for configuring serial data transmission priority
• 2 kV (DC) isolation protection for each serial port (S8455 only)
• Adjustable pull high/low resistor for RS-485 ports
The NPort S8455/S8458 series combines an industrial device server with a full-function managed Ethernet switch by integrating a combination of fiber and Ethernet ports with 4 RS-232/422/485 serial ports, allowing you to easily install, ma
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