● Based on self -copyright IC
● 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 stopon 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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