GarrettCom's Strategic Industrial Network Architecture includes Magnum 6K Series Managed Industrial Switches at the Ethernet Core; Magnum industrial switches such as the 6KL, 6KQ, and ES42 at the Ethernet Edge; hardened Dymec Links Serial Converters at the Serial Edge (with DX Serial Device Routers playing at both Serial and Ethernet edges); and hardened Magnum DX1000-IR and DX1000-TS Series products providing WAN access.
(Source: http://www.garrettcom.com/power_utilities.htm )