How many loggers can be monitored at one time?

The number of loggers depends on the polling rate needed and the communications links to the loggers. Serial loggers and loggers connected through an Ethernet network take longer to communicate, so the number of these loggers that can be monitored at a given polling rate is less than with direct-connected USB loggers. At a 1-minute polling rate, the software can typically monitor up to 16 USB or Serial loggers with up to 15 sensors each. At a 4-minute polling rate, 64 loggers can typically be monitored. The Keyspan server software currently allows up to 12 remote USB devices to be connected through an Ethernet network.