Characteristics

• Ethernet Interface

• Support 10/100M, full-/half-duplex
• Supporrt auto-negotiation and forcing mode by switch settings
• Built-in data flow statistic function, which can report the flow statistic of Ethernet receiving and transmission and error-package informantion
• Filter out over-long, over-short and CRC error Ethernet package
• Support up to 1536 byte Ethernet package
• Support PAUSE flow control function
• Built-in 1024 MAC addresses list, and auto-filtering and age function
• RJ45 connector, connect to PC with CAT-5 crossover twisted pair

• E1 Interface

• Provide 8 E1 interfaces complying with G.703 standard, 75Ωunbalance
• E1 lines should be used in pair, but support dissymmetrical
• Auto detect the number of practicable line, the line can be shut down via network management
• AIS, LOS, LOF and error-code alarm, and error-code statistic data can be inquired via network management
• Provide auto shutdown function, the shutdown error rate threshold can be set via network management
• Provide remote loopback and error-code detection functions
• Stop Ethernet communication when local or remote E1 loopback

• Device Management

• Provide RS232 serial management interface
• Unique 8bits address is available for each device, one management system can manage up to 256 equipments together
• Abundant management information, including each E1 line status of local and remote ends, and Ethernet interface status and flow statistic