Cable TV (CATV) headend IP-ASI adapter: 1.IP-ASI adapter, ... ) output 2.1 IP(UDP) input to 1 ASI output Cable TV (CATV) headend IP-ASI adapter:Overview E-5104 is ... one of the main equipment of the cable digital TV headend, receiving data from the encoder, multiplexer, DVB gateway, scrambler, video server ...