Helios IP Uni 9153101 Installation Manual Brandname: 2N Category: Intercom System Total Pages: 35 Table of contents Contents3Product511ProductDescription6AdvantagesOfUse712Upgrade8132N9MountingAccessories10ElectricLocks1114TermsAndSymbols12DescriptionAnd1321BeforeYouStart14MountiongTypeOverview15CommonMountingPrinciples16WallMounting18PcbConnectors19LanConnection20Replacement21FunctionAnd23312N24322N2533Maintenance26Technical2741TechnicalParameters29Supplementary3052Troubleshooting32