Cost effective tally and GPI routing solution Available with (GSI-2) or without (GSI-1) serial interface to supported switchers Pre-defined configurations and tally layouts may be recalled from stored files GPI state is maintained in non-volatile memory in the event of a power failure Easily configured via a Windows PC running the supplied tally console software Uses Image Video standard 4211 GPI interface units for GPI matrices up to 120 x 120 When used with the GSI-2, output relays in the 4211 parallel interface may be controlled by any combination of switcher crosspoints and GPI inputs.