Cable TV system diagram
Cable TV system diagram
1. Basic composition (1) Receive signal source (2) Front-end equipment (3) Trunk transmission system. Such as trunk amplifier (AGC), (ASC) and trunk cable or optical cable.
(4) User distribution network
(5) User terminal TV reception, FM broadcast, cable modem (Cable Modem, PC, IP phone, etc.), etc.
Cable Modem, RJ-45 10Base-T connector for computer connection, downlink carrier frequency between 88 ～ 860 MHz, using 64 / 256QAM mode, downlink rate up to 42.4M bps, uplink modulation frequency can be up to 42 MHz, using QPSK / 16QAM, the uplink rate can be up to 10Mbps.
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