Features

• Adds a virtual serial COM port via network connection
• Supports virtual serial port driver for Windows
• Supports pair connection mode for connecting two serial device servers over a network without a PC
• Easy-to-use Windows utility software for easy configuration and installation
• 10/100Mbps Ethernet with auto-detection
• Configuration via web console interface or utility software
• Windows utility software automatically finds NCOM devices on the network
• Firmware upgradable for future firmware revisions
• LEDs indicating Ethernet port’s link and speed statuses
• LEDs indicating serial port’s TxD and RxD statuses
• Data rates: 300bps to 921.6kbps
• Built-in 15kV ESD protection for all serial signals
• Fully supports “COM Port Control” protocol known as RFC2217
• Supports network protocols such as TCP or UDP Client/Server
• Supported RS-232 signals: DCD, RxD, TxD, DTR, GND, DSR, RTS, CTS
• Supported RS-422, RS-485 4-wire signals: TxD-, TxD+, RxD+, RxD-
• Supported RS-485 2-wire signals: Data-, Data+
• Auto transmit buffer control for 2-wire RS-485 half-duplex operation
• Termination resistors installed on-board
• Supports Windows XP to 10, Windows Server 2003 to Server 2016

Specifications

LAN
Ethernet	10/100Mbps
Connector	RJ-45 connector
Protection	Built-in 1.5kV magnetic isolation
Serial Interface
Interface	RS-232/422/485
Number of Ports	1
Connector	DB9 male
Max. Speed	921.6kbps for transmit & receive
RS-232 Signals	DCD, RxD, TxD, DTR, GND, DSR, RTS, CTS
RS-422 Signals	TxD-, TxD+, RxD+, RxD-, GND
RS-485 Signals	4-wire TxD-, TxD+, RxD+, RxD-, GND 2-wire Data-, Data+, GND
RS-485 Data Direction	Automatic RS-485 direction control
Protection	15kV for all signals
Serial Communication Parameters
Data Bits	5, 6, 7, 8
Parity	None, odd, even, mark, space
Stop Bit	1, 1.5, 2
Flow Control	Hardware (RTS, CTS)
Software Features
Protocols	ICMP, IP, TCP, UDP, DHCP, DNS, HTTP
Utility	NCOM management tool for Windows OS
OS Driver Support	Virtual serial port driver for Windows OS
Configuration	Web console, Windows utility
Power
Power Input	9VDC to 48VDC
Power Consumption	100mA@12VDC, 40mA@48VDC
Environmental
Operating Temperature	0 to 55°C (32 to 131°F)
Storage Temperature	-20 to 75°C (-4 to 167°F)
Operating Humidity	5% to 95% RH
Safety Approvals	CE, FCC
Mechanical
Casing	Plastic
Dimensions	106mm × 97mm × 32mm (L × W × H)
Weight	110g