+Title: System Engineering International : Critical Power Products including power over ethernet, uninterruptible power systems and ISD
Description: System Engineering International is a telecommunications power company that services and installs DC and AC uninterruptible power systems. SEI engineers, manufacturers, and markets a complete line of low power DC systems and telephony products.
Keywords:System Engineering International, telephony products, SEI, D300, Lucent D300, NT1, network termination units, power over ethernet, VoIP, Juice Box, PoE, midspan power over ethernet, uninterruptible power systems, telecommunications power, power systems, telephony, ISDN premises power, DC UPS
