The Netgear GSM4230P-100EUS is a network switch designed for use in small to medium-sized businesses. It offers a variety of features and options to provide a powerful and reliable network connection. The GSM4230P-100EUS supports PoE (Power over Ethernet), which means it can deliver both power and data over a single Ethernet cable. This simplifies the installation of network devices, especially IP surveillance cameras, VoIP phones, and Wi-Fi access points, as no separate power supply is needed. The GSM4230P-100EUS has multiple uplink ports that allow for connections to other switches or the network backbone. Additionally, it provides advanced features such as link aggregation (trunking) to increase bandwidth, and redundant power supply options for enhanced reliability. Technical specifications: Manufacturer Netgear, Function Switch, Type Standalone, Rackmount.