User manual

User manual Version 2.3

ABLELink

Serial-Ethernet Server

GW21W

4 Virtual COM Mode

Virtual COM driver mode for windows converts COM data to LAN data to control the RS-232C port on a

GW21W via the LAN. By creating Virtual COM ports on the PC, Atop Virtual COM redirects the

communications from the Virtual COM ports to an IP address and port number on a GW21W that

connects the serial line device to the network. The following figure is Atop Virtual COM connection

diagram.

4.1 Setup of a Virtual COM driver

Pre-installation requirements

Please check the operation system on your PC complied with the following requirements:

• Processor: Intel-compatible, Pentium class

• Operation system: Windows Server 2003, Windows XP, Windows 2000, Windows NT 4.0

SP5 or later, Windows Me, Windows 98, Windows 95, Microsoft NT/2000 Terminal Server,

Citrix MetaFrame

• Windows Installer 2.0

• Network: Microsoft TCP/IP networking software

Applying to the serial server

Cautions on Use

Atop Virtual COM supports firmware AP v3.4 and above of ABLELink Serial-Ethernet Servers.

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