>visionsystems.de/Data Communication/Serial Device Server/VSCom Serial Device Server/NetCom Plus/4 Ports
Serial Device Servers with 4 ports as RS232 or RS232/422/485 (three way) operation. The operation mode is easily configured as common mode by DIP switch, or individually by software. Communication via WLAN is also supported. These models are also available with supply by Power-over-Ethernet IEEE802.3af.
Additionally the NetCom+ provide an option for secure Remote Access via Internet. The system of viaVPN enables simple installation and easy usage. viaVPN uses Firewall-friendly operation with minimum configuration. By that the remote access enables monitoring of the operation, possible re-configuration and use of standard functions.