... connection between E1 channel and Ethernet, compose bridge. Can satisfy real-time video, audio, and data transmit.PRODUCT CHARACTER:(1)Based on self ... .704,and G.823,not support the use of signaling time slot. (10)E1 interface have built-in clock resume circuit ... E1 channels, auto detect the number of E1 channels and time-delay, select available E1 channels when reset. (13)Support reset ...