*Comply with ITU G.703,G.704,G.706,G.823
*Support transparent E1 channel
*Full comply with IEEE 802.3/IEEE 802.3u and IEEE 802.1Q(VLAN)
*Ethernet port 10/100Mbps,Full/Half Duplex mode compatible
*For E1 interface,75ohm(unbalanced) and 120ohm(balanced) optional
*Allowing 16ms for transmission time delay of 8E1
*Every E1 take 64Kbps channel depletion, valid bandwidth of every E1 is 1984Kbps
*Support bit error-rate testing of every E1 branch. When bit error-rate of some branch is over the limit, the system will automatically turn off and separate the E1 branch
*Auto-detect the valid E1 channels and auto-balanced the bandwidth of the valid E1 channels
*Comprehensive LED indicators on front panel,convenient for the diagnosis of equipment working state
*-48V DC & 220V AC power supply optional
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