E1 interface Interface standard: Conforms to G.703 standard Interface rate: N×64Kbps, N:1~31 Code: HDB3 Interface impedance: 75A (unbalanced), 120A (balanced) Connecter: BNC (75 A), RJ45 (120 A) Vibration characteristic: Satisfies G.742 and G.823 standard Clock type: internal-clock, line clock FXS phone port Ring voltage:75V Ring frequency:25HZ Two line input impedance:600A(hanging off) Wastage:40 db FXO switch port Ring test voltage:35V Ring test frequency:17HZ-60HZ Two line input impedance:600A(hanging-off) Wastage:40 db V.35 interface Interface type: V.35 synchronous Velocity: N×64Kb/s (N =1~15) Clock mode: DCE Environmental Operating temperature: -25 C~+70 C Storage temperature: -40 C~+80 C Relative temperature:95% (uncondensed) Power supply option I – DC-48V,range DC-36V~DC-72C option II – AC220V,range AC165V~AC265V Dimensions: 483(L)×140(W)×50(H)mm |