Characteristics
- Based on self-copyright IC
- To achieve transparent Ethernet data transmission on 1-4E1 circuits
- You can perform local and remote reset of the device
- The Ethernet interface is 100BASE-FX, supporting VLAN protocol
- Dynamic Ethernet MAC address between sets (4096) with local data frame filtering function
- The speed of single channel lines is 1984 Kbit/s, the bandwidth of 4 channels is up to 7936 Kbit/s
- Supports the full set of Ethernet working modes
- The CRC automatic alarm threshold can be set to isolate poor quality transmission lines and cut off only one direction.
- When the error rate of one direction of the 2M branch circuit exceeds the threshold, cutting off this direction does not affect the other direction; that is, both directions of Ethernet transmission can be asymmetrical.
- Allow 4 E1 channel transmission time delay difference of 100ms. When the margin exceeds the allowable range, the
The system may automatically stop at E1 that the time delay is too large to send data - E1 interface complies with ITU-T G.703, G.704 and G.823, does not support the use of signal time slot
- E1 interface module with inter-set clock recovery circuit and HDB3 code circuit
- Supports hot plugging of E1 channel on the device and automatically detects the effective channel and will not interrupt data transmission
- It can support 1-4 channel E1 channel setting, can automatically detect the number of E1 and select the E1
available;
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