Serial IP Extender
Connects up to four RS232 serial devices to a TCP/IP-based Ethernet network.
Also known as: Ethernet Serial Servers, remote access to serial devices, Ethernet to RS232 Serial, network-enabled RS 232/422/485, serial IP extender.
Processor ARM 9 166 MHz
I/O controller 16C950 or compatible
Memory 16MB SDRAM, 2 MB Flash
Connector type SMA-Reverse for WLAN antenna,
RJ45 for Ethernet,
DSUB 9 male for serial Port
WLAN interface Wireless LAN IEEE 802.11b/g, max. 54 Mb/s
Encryption WPA-PSK/TKIP, WEP-128, WEP-64
Infrastructure mode (uses an Access Point)
Ad-hoc mode (direct connection to a PC/Laptop)
Ethernet interface Auto-detecting 10BaseT/100BaseTx
Protocols TCP/IP, UDP, Telnet, DHCP, ICMP, HTTP, LPD, SNMP V1/2c/3, DNS
Serial interface RS232/422/485 selected by software or DIP-switch
No. of port 1, Speed up to 1.843 Mbps
Available Modes RS232 full duplex
RS422 full duplex
RS485 4 wire, full duplex
RS485 2 wire, half duplex, with echo
RS485 2 wire, half duplex, without echo
Signals RS232 TxD,RxD, RTS,CTS, DTR,DSR, DCD, RI, GND
RS422 Tx+/-, Rx+/-, GND
RS485 2 wire Data+/-, GND
RS485 4 wire Tx+/-, Rx+/-, GND
RS485 Data control Controlled by ART (Automatic Receive Transmit control) or RTS
Speed RS232: up to 921.6 kbps
RS422/485: up to 1.843Mbps
Parity None, even, odd, space, mark
Data bits 5, 6, 7, 8
Stop bits 1, 1.5, 2
I/O address None
Driver mode VScom Driver for Windows NT 4.0, 2000, XP and 2003
Driver Mode creates virtual Com port.
TCP Raw Server Raw data transfer over TCP/IP. Accepts multiple incoming connections.
TCP Raw Client Raw data transfer over TCP/IP. Connects to multiple hosts or devices waiting for incoming connections.
TCP Advanced Settings Special settings for user-defined modes
UDP Mode Raw data transfer by UDP. The NetCom is client and server at the same time. Timeout functionality, maximum packet size and a configurable trigger string define the packets of incoming data to send over UDP
Null Modem Tunnel Connecting two NetCom used as virtual null modem cable.
IP Modem The serial port emulates a standard modem. Operates by AT-commands, and dials to IP-Addresses instead of phone numbers.
Windows "INF"-Driver provided for installation.
Print Server The NetCom accepts print jobs, and spools them to the attached serial printer. Operates as of RFC1197, similar to the line printer daemon in Unix-systems
Power and Environment
Power requirements 9 - 30V DC, 500mA @ 12V
8 Port 100 - 240V AC 47-63 Hz, 25VA
Power supply Adapter 1 & 4 Port 12V DC, 1A. Connected by Terminal block
Dimension 73×115×27 mm³ (W×L×H)
101×121×27 mm³ with DB9 connector and ears
8 Port 258×149×45 mm³ (W×L×H)
278×155×46 mm³ with DB9 connectors and DIN-RAIL ears
19" 1HU Rackmount
Operating Temp 0°C - 55°C
Storage Temp -20°C - 85°C
Case SECC sheet metal (1mm)
Weight 0.2kg 1 port 0.4Kg, 4 port 1.2Kg, 8 port 1.9Kg
Installation Configuration utility automatically finds NetCom devices in the network
Operating mode Automatic mode switching between Driver and TCP RAW mode.
With TCP Advanced settings it is possible to configure the NetCom for using it in multiple modes, so it decides automatically which mode should be used.
Configuration Configuration over Driver Panels, NetCom Manager, WEB Browser, serial console, Telnet, SNMP
SNMP special VScom MIB included
ART Automatic Receive Transmit control for RS485
DNS Domain Name Server support
Serial interface Serial Interface configurable with DIP switch and by software
Firewall Special precautions for Firewall environments
Firmware Firmware update over WEB Browser, Telnet, ComPort
LEDs LEDs for Power, serial Tx, Rx, Ethernet Link, Speed, WLAN
Password access Every capabilities of configuration use the same password including SNMP V3
Secure communication OpenVPN" tunnel provides security on Ethernet and Wireless networks. The tunnel protects the configuration as well as all serial data. It is also usable across the Internet.
Strong encryption by AES up to 256 bit keys.
WEP Encryption with 64 and 128 bit for compatibility in simple installations
WPA Modern Wireless protection by WPA-PSK/TKIP