Capacity upto 2.5Gbps E1, Ethernet, Gigabit, STM-1 available Flexible capacity distribution Web based management interface IntroductionFreeLink system ... are three business modes to choose, which E1+ IP service,SDH service,IP service are. It is managed for E1 + ... security, army, CATV).Features Multi-transmission service: Support single PDH/SDH/IP service and PDH with IP service; Multi-capacity: supply ...