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4*E1 over Ethernet (IP) Desktop Type
TDMoIP-4E1 is mainly used to transmit voice signal over IP network. It has 4E1 interface, 2 UTP Ethernet port and … Read More
4e1 4ge30fxs fxo fiber multiplexer
The device provides 30 channel voice，4 E1 interfaces, 4*100/1000M Ethernet interface, and four expansion interface. 2 Extended service interface can … Read More