Device Servers

Web or network enable existing equipment with RS-232, RS-422 or RS485 serial interfaces, quickly and easily. These Device Servers have the broadest set of standard and secure feature sets on the market at the most cost-effective price.

Avocent 2, 4, 8 or 16 Port Device Servers

Avocent network-based serial products include industry leading Serial over IP appliances for a wide variety of applications. Serial over IP products consist of a family of ESP multi-interface (RS-232 / RS-422 / RS-485) serial hubs available in 2, 4, 8 and 16-port models.

990458-107 ESP-2 MI, 2-port Ethernet serial hub, RS-232, RS-422, RS-485
990476-107 ESP-4 MI, 4-port Ethernet serial hub, RS-232, RS-422, RS-485
990477 ESP-8 MI, 8-port Ethernet serial hub, RS-232, RS-422, RS-485
990478-107 ESP-16 MI, 16-port Ethernet serial hub, RS-232, RS-422, RS-485