... E1 network services. With a adapter cable, the device can connect to other DTE device, such as router, at ... is placed into the E1 frame, using only the required number of timeslots, timeslot assignment is accomplished according to the data port ... Impedance 75ohm,physicalinterface BNC;Impedance 120ohm,physicalinterface RJ45Transmission features:According with G.703;Clocking:LINE;EXTERNAL;Testing method: ...