342.5 Extending Module Connection2N® Helios features an easy installation of extending button modules. Extendingmodules are connected using a single cable (included in every extender delivery) in achain pattern (every additional unit is connected with the previous one). Eachextending module has two connectors – an input connector (for connection towardsthe 2N® Helios basic unit) and an output connector (for connection of another, moreremote unit). Be sure to maintain the correct orientation of the units and avoidconnector mismatch to ensure a proper function of the device!Module Cable Interconnection The cable is included in every extending module delivery. Both its ends arethe same. Configuration is 1:1. Connectors cannot be shifted or insertedconversely because they are equipped with a so-called key. The basic unit is always on the left. Extenders are chain-connected, i.e.each is linked with its neighbour. The cable cannot be driven through the box interconnecting holes until theboxes have been connected (see subsection 2.3 Mounting – MechanicalInstallation).Basic unit Extender unit Removed upper part of(open) (bottom part) extender moduleFig.: 8-Button Extender Module Connection to Basic UnitConnector for next extender moduleconnection
