... Network2, Adaptive or fixed timing Selectable3, Conforms to applicable standard of GB, ITU-T, ANSI and ETSI4, Support Channel 2B+D ... start/Cold StartLine Protection: Comply to ITU-T K. 21Jack: RJ-45 or RJ11 S/T Interface Standard: ITU-T Rec. I. 430, ANSI ... TerminationResistance: 50 ohm, 100ohm, No terminationLine connecttion: Point to Point, Point to Multi-pointActivation: By LT or TEJack: Three RJ-45 ...