The 2N 9155101 is a Basic Main Unit from the 2N IP Verso range of Modular Door Entry systems, designed to combine flexibility of function & specification with luxury & stylish finish. Described as the IP Verso ‘basic unit’, the 9155101 is the heart of a Verso I.P. Door Intercom System, around which additional Modules can be specified to build the exact specification for your final Door Entry device. This high quality, high specification IP Door Entry Device is designed for standard and high impact environments, functioning within a temperature range of -40° to +60°C to endure severe weather changes. Communication between individual 2N IP Verso intercom units is via a LAN network (using IP connectivity) and is secured using the 802.1x protocol and a closed operating system for resistance against hacking.