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UPCOM HPC-FE1-4ETH Protocol converter is an Ethernet bridge of high performance, which accomplishes the convert between the 4*100M Ethernet port and the E1 port. As an extended device of the Ethernet, the FE1-4*100BASE-TX protocol converter realizes interconnection of two Ethernet by using the E1 channel provided by existing networks with low cost.
HPC-FE1-4ETH Converters are provided at the end of Ethernet LAN to accomplish various functions including MAC address self-learning, address filtering, address table maintenance and flow control.
E1 interfaces conforming to ITU-T G.703 and G.704 proposals are provided at the end of WAN, supporting RJ45 and BNC connection modes. The E1 ports support both Framed and Unframed architecture. The user can select an operating mode for the E1 interface according to the connected E1 environment. This provides flexibility of network application. In the framing mode, the E1 interface provides a rate of N*64Kbps（N=1~31）. In the Unframed mode, the E1 channel provides a rate of 2.048Mbps and accomplishes transparent transmission.
HPC-FE1-4ETH protocol converter is used in the framing mode, the transmission clock can be either provided internally, i.e. using the main clocking timing mode (INT), or extracted from the E1 channel, i.e. using slave clock timing mode.
HPC-FE1-4ETH protocol converter provides plenty of self-test functions, supporting local loop and remote loop. It also provides pseudo random code test function to test error codes in the circuit.
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