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4E1/10(100)BaseT is a special Ethernet bridge designed for using multiple E1 circuits to transmit Ethernet data, able to transmit MAC frame data in a point-to-point manner through 1-4 E1 circuits. The designed maximum transmission speed is 7.68Mbps with the full 4 E1.

4E1/10(100)BaseT adopts reverse multiplexing technology, bundles multi E1 circuits to transmit 10M/100M Ethernet data, and allows a certain transmission time delay as in different linkers among E1 circuits. It can use the resource of many existing E1 circuits in telecommunication network to extend the Ethernet transmission distance and the scope of application with little investment, an excellent solution for broadband access of Ethernet.


1. Technology Characteristics of 4E1/10(100)BaseT converter
Transparent transmission of Ethernet data in 1-4 E1 circuits
Comply with IEEE 802.3 protocol standards, support auto-negotiation for 10M/100M, full duplex/half duplex operation mode
Enable transparent transmission of ultralong frame specified by IEEE 802.1Q, support Ethernet exchange with VLAN function
Built-in address list (1024) for dynamic Ethernet MAC, supply the filtration function for local dada frame
Built-in verification module for Ethernet data frame FCS, with output of verification alarm
E1 interface compliance with ITU-T G.703, G.704
Support HDB3 code pattern
Support usability check and self-protection and automatic troubleshooting of 1-4 E1 circuits
Complete output of circuit alarm message

2.Interface Parameters of 4E1/10(100)BaseT converter
2.1 E1 Interface:
Unbalanced interface 75, BNC coaxial connector
2.2 Ethernet Interface:
IEEE802.3 Ethernet standard compatible
10M/100M through auto-negotiation
Full/Half duplex through auto-negotiation.
Connector: RJ-45



3. General characteristics of 4E1/10(100)BaseT converter

Raging from -36V to -72V for DC-48V
Ranging from ~165V to ~265V for AC 220V
Power consumption: <5W
Temperature: 0to 50
Humidity: 95(35C)

4. Packing List of 4E1/10(100)BaseT converter

4E1/10(100)BaseT Protocol Converter
One Power cord (Note : -48v no with power cord)
Four BNCs Coaxial Connector

3-5 business days
3000pcs/month
T/T in adva