4E1/Ethernet Protocol Converter Supports VLAN 10/100M Ethernet Fiber-optic Multiplexer

Model Number: OP-ETH401-4 Brand Name: OPTOSTAR Key Specifications/Special Features: 4E1/Ethernet protocol converter1.1 FunctionsThis model applies reverse multiplexing technology to transfer 10M/100M Ethernet data by using E1s. It realizes conversion between 1 to 4 E1 channels and Ethernet interface (fiber or copper)It is capable of providing a real Ethernet throughput of 8Mbps respectivelyAlso automatically adapted to lower data rates from 2Mbps, in case that less E1 circuits is employed1.2 Features
Realize transparent transfer Ethernet data in 1 to 4 E1 channels
10M/100M Ethernet, full/half duplex self adapt, supports VLAN
Ethernet support Auto-MDIX (cross over and straight through self adapt)
Setting CRC alarm limitation to auto isolate lines with low transfer quality, single direction
When one direction error rate over limitation, disconnect only one direction, the other is not affected Unbalance in two directions
Allow 4 E1 channels up to 10ms transfer delay, when the delay over the limitation, can stop transfer automatically
Supports dynamic Ethernet Mac address (4096), having local address filter function
E1 interface having internal clock resume circuit and HDB3 codec circuit
E1 circuit number auto-negotiation, E1 circuit auto assemble/disassemble
E1 interface compliant to ITU G.703, G.704 and G.823
Provide balanced 120-Ohm RJ45 or unbalanced 75-Ohm BNC E1 interface
Optional copper or fiber optic Ethernet interface
Supports reset remote system from local system
1.3 parameter and specifications
E1 interface
Standard: E1 interface compatible withG.703 standard
Rate: 2.048Mbit/s±50ppm
Coding: HDB3
Impedance: 75Ω(unbalance) ,120Ω(balance)
Connector: BNC(75Ω), RJ45(120Ω)
Jitter performance: according to G.742 and G.823
10/100Base-T
Rate: 10M/100M, full/half duplex self adapt
Protocol: supports IEEE 802.3, IEEE 802.1Q (VLAN)
Mac address table: 4096 Mac addresses
Ethernet buffer: 64Mbits SDRAM
Physical interface: RJ45, supports auto-MDIX (cross over and straight through self adapt)

10/100Base-FX
100Mbps, FDX, SC/PC or FC/PC connector

1.4 Dimensions:
19-inch rack type: 186*138*30cm

1.5 Operating environment
Voltage: 180-260V AC, -48V, +24V DC
Power consumption: <5W
Working temperature: -10 to 50°C
Storage temperature: -40 to +70°C
Humidity: 95%
No causticity and solvent, dust free and no strong magnetic interference