... : Configurable E1 or T1 Interface by WEB1E1 (30 Channels), 2E1 (60 Channels), 4E1 (120 Channels)1T1 (24 Channels), 2T1 (48 Channels ... /6A AC, 50~60Hz· Power Consumption70 Watt (Max)· Dimension ( Height x Width x Depth )4.4 x 44 x 44 cm, 1U, 19 formfactor