NSC SolutionF1 control panel loop card with Apollo Hochiki protocol The latest loop card introduced by NSC is related to Solution F1 series control panels. This loop card, unlike previous loop cards, is designed as a multi-protocol and has the ability to support Core, Soteria, XP95 and Discovery protocols of APOLLO fire alarm equipment and ESP protocol of HOCHIKI company. This feature increases the flexibility of the system and the possibility of changing the loop card protocol without the need to replace it and only by making changes in the NSC control panel software.