The product's predecessor was:
DSB-54 The DSB-64 is 6-port PoE switch with battery backup designed to power IP cameras operating in IEEE 802.3af/at standard.
With the built-in buffered power supply adapter it can operate with two 12V / 17Ah batteries connected in series and in case of power failure, immediate switching to battery supply. DSB-64 is designed to mount on the DIN 35 mm rail.
Caution! A battery is not included with the switch. The value of 15.4 W per port is the maximal one. With full occupation of PoE ports the total power consumption should not exceed 48 W.