الوصف

Can transport on the complicated IP exchange network and so it can adapt some time delay while the transmission capability is good on the second layer of the Ethernet Supporting framed(all or part of it ) and unframed E1 flow. The separate frames can be configured flexibly Qos management, low processing time delay;assure the quality of TDM service; Brief introduction: LJ-TOP series of products is also called IP circuit emulator or adverse ***** supports 2 to *6groups of E1 servive base on TDM be extended to packet exchange network .Via the group network(Ethernet, IP network or MPLS network), the transmission of TDM services is very convenient. At the same time, the system assures the clock of the TDM and the jitter characteristics are superior to the ITU Firstly, turn 1/2/4//8/*6 E1/T1 circuit to IP groups, then transmit it to the Ethernet/IP network via *0/**0Base-T(or **0Base-FX)layer.