CATV有线电视SJL2000网络管理系统总体架构

461516::86-21-54261178HFCHFCHFCHFCSJL2000HFCzC/SB/SzIPHFCzSJL2000HFC1zSJL2000HFCSCTE2zSJL2000SCTESCTE3SJL2000zSCTERS485RS485zSNMPMIBSNMPSCTEHMSMACSCTEHMSRFIPSNMPSNMPUDPIPMACMACIPUDPSCTEHMSMAC2HFCHECNMC2000(AA(CB(DCIP3zRS485RS485MSS/MSMHFC/MSSMSM(SNMPv1)MIBSCTEMIBSJL2000(MSS/MSM)SNMPC/SB/SIPInternetPCMSS/MSM(RJ45)BIPNMC2000/NMC2001IPHFCIPSNMP/IP/SNMP/HMSMAC/RFSCTEMAC5000NMC2001RS485RS232NMM2000/NMM2001NMM20001U8(IN)RJ45(OUT)RJ4516NMM20011U(IN)RJ4516(OUT)RJ452NMC2000/NMC2001NMM2000/NMM2001RS485HFC45RFRFRFHFCRS232RS232PCRFSCTERF100~111dBµV85~105dBµV2dB2dB108MHz119MHz8MHz5.0MHz65MHz,3.2MHz100kHz100kHz-65dBc-55dBc75758dB12dB40~80dBµV40~80dBµV100kHz100kHzC/NBER10-620dB20dB12dB12dBFSKf=67kHz10kHzFSKf=67kHz10kHz38.4kbps38.4kbps--40~85