4 ASI input 1 DS3 output Support SNMP IntroductionTL409 combiner is a high-end products developed by Beijing CircLoop Digital Image Tech. Co., Ltd. independently, which supports CMMB transmission, it is used in Network system of CMMB,DVB-T,DMB-T etc..It fully conforms to ANSI T1.120 DS3 standard,support the frame structure stipulated in G.804/G.752(DS3);Meets ISO/IEC MPEG-2,DVB standard and ...