The AW-FGT-100D-120 quipped with DIP switch provides EX mode, ST VLAN, and ST mode. Especially designed for IP Surveillance applications, the camera provides standard 802.3af/at PoE functions in ST mode, while EX mode transmits data & power on one single cable up to 250 meters via EX ports for long-reach PoE IP cameras. The Commercial series adds an extra 20% range of input voltage tolerance(280VAC 4hrs, 300VAC 1 min), lightning surge protection of AC power & PoE surge protection to prevent the damage caused by outside unstable AC power, lightning surge, and power spikes. These unique features reduce costs associated with the replacement of damaged units