A European format for digital transmission. E1 supports signals at 2 Mbps (32 channels at 64Kbps, with 2 channels reserved for signaling and controlling), versus the T1, which carries signals at 1.544 Mbps (24 channels at 64Kbps).
The EdgeConnect 2402 is a controlled 24 port PoE switch that supports video, voice and data devices. Additionally it has two 10/100/1000 Ethernet Combo ports.