Energy Monitoring Hub EMB Lite, 4 Pulse Inputs, Ethernet, Power Supply Not Included. The Leviton EMB HubLite is an intelligent, flexible data acquisition server allowing users to collect energy data from pulse output submeters through 4 pulse inputs. Designed to connect to IP-based applications such as enterprise energy management, demand response and smart grid programs, the EMB HubLite server lets you benchmark energy usage and reduce energy costs. The A7810 is ideal for collecting pulse outputs from various utility meters and submeters. Connect up to four pulse submeters to start logging and viewing data through any web browser.