TJ1400P M3 switching family is specifically optimized for LAN applications and Metro Applications. The TJ1400P M3 models are enterprise-plus class L2/L3 Switches with Carrier Ethernet features for OAM and resiliency. They support GigE electrical and optical interfaces with auto-negotiation and Jumbo frames and are available in several factory fitted configurations. Using L3 upgrade capability, the TJ1400P M3 provides L2 isolation and bridges traffic between L2 & L3 domains. Advanced L3-features and stacking make this a versatile product for the core of a network. In stand-alone, non-PoE 24-port configurations operation up to 60 deg C is supported. The target applications are campus networks, power utilities, transportation and traffic control systems, industrial factory floor installations, video surveillance systems, and installations, which require high density of gigabit aggregation.