To achieve Ethernet data transparent transmission in 1-4E1 circuits
Can realize the local and the remote device reset
Ethernet Interface is 100BASE-FX, support VLAN protocol
Inter-set dynamic Ethernet MAC address (4,096) with local data frame filtering function
Single Channel lines rate is 1984Kbit/s, 4Channel Bandwidth is up to 7936Kbit/s
Channel 10M/100M Ethernet interface can isolate each other to realize communication independently
Ethernet interface supports10M/100M, half/full duplex auto- adaptable and AUTO-MDIX (crossed line and straightly connected line self-adaptable )
CRC automatic alarm threshold can be set to isolate the poor quality transmission lines and cut off a single-direction. When 2M branch circuit onedirection error rate exceeds threshold, cutting off this direction the other direction is not affected; that is to say, both of the Ethernet directiontransmission can be asymmetric
Allow 4-Channel E1 transmission time delay difference 100ms. When the margin exceed the allowed range, the system can automatically stop on the E1 that time delay is too large to send data
E1 interface conform to ITU-T G.703, G.704 and G.823, not support the use of signal timeslot
E1 interface module with inter-set clock recovery circuit and HDB3 code circuit
Support E1 channel hot-plug in the device, and automatically detects the effective E1 channel and will not interrupt data transmission
Can support 1-4Channel E1 channel configuration, can automatically detect the number of E1 and select the E1 available;
Ethernet supports standard IEEE802.3af / at power supply; Each port can be sufficient power output 15.4W (IEEE802.3af), at 25.5W (IEEE802.3at);
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