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W&T Interfaces
for TCP/IP, Ethernet, RS-232, RS-485, USB, 20mA,
Glass and plastic fiber optic cabled, http, SNMP, OPC, Modbus TCP, I/O digital, I/O analog, ISA, PCI

 Additional links: Product overview

Applications for the Com-Server and LAN modem:

Integrate serial devices into the network - in a universal and flexible way -

OPC client OPC
Integration of arbitrary serial devices into the network


Information about startup and integration:

easy start

Sample applications: transparent exchange

NEW! - WLAN for hardwired Ethernet devices
Use the WLAN Client Bridge to incorporate remote hardwired Ethernet islands into the WLAN.
To the application

NEW! - TTY Redirector - Redirect TTY to the network
Make your serial Linux application network-compatible with pseudo-TTYs and Com-Servers
To the application

Network connection for Logo!® Steuerung and Display Logo!® TD
Com-Servers link Siemens Logo!® controller and Display TD over the Intra- or Internet - with virtually no distance restriction
To the application
S7-200 with PPI port on Com-Server
Program up- and downloading plus status over the network - if needed over the Internet as well.
To the application
W&T COM Port Redirector

Make your serial software network-enabled without changing a single line of code.
To the application

RS232 line driver from Bonn to Berlin

Box-to-Box mode connects any serial devices - even worldwide if needed.
To the application


Sample applications: Intranet and Internet applications

Publish Web-IOs and Com-Servers in the Internet via DSL

Dynamic IP addresses, NAT and other things you need to know.
To the application


Weather with PHP and Com-Server into the network

TCP socket connection to a serial weather station.
To the application

Your serial devices as web servers

You handle the ASCII protocol HTTP, the Com-Server handles the rest.
To the application


Overview for manufacturers and integrators
You are a manufacturer or integrator of a serial device and want to make it "network-capable", "Web-based" or "Internet-capable"?
To the solutions
Write measured data directly to your network server,
No problem with the Com-Server as FTP server or FTP client.
To the application

Sample applications: Other things you can do

Serial devices, digital I/Os and temperature probes in the wireless LAN

Incorporation of Com-Servers, Web-Thermo-Hygrograph and Web-IO in WLANs with Ethernet client bridges.
To the application

Com-Server and automation technology

Standard visualizations gather serial data over the network.
To the application

Existing network instead of expensive dial-up connection - without changing the terminal devices
Simply replace the dial-up numbers with IP addresses and standard modems with LAN modems - and you’re done.
To the application
Coupling of Ethernet LANs over all kinds of cable
Com-Servers as SLIP rounters connect your Ethernet islands - even over normal telephone cable for example.
To the application
Connecting serial systems/devices per SLIP
Your device already has its own TCP/IP stack, but only one physical serial port?
To the solution
Access the serial device via Internet
Worldwide access using just one official IP address - IP Masquerade makes it possible
To the application
Over the network with 30 lines: Programming TCP/IP sockets

Leaner, less complicated and more direct than programming serial interfaces.
To the application

Background information

Com-Server FAQs

Startup, configuration, applications and application ideas.
To FAQ overview

Internet ABCs and ABCs of network cabling

Terms frequently used in connection with network technology concisely explained
Internet ABCs
Network cabling