LinkMC is a Digital Modular Headend, which could be configured by a variety of combination of different modules. These modules has can be professional MPEG-2 SD streamers with IP I/O, professional H.264 HD streamers with IP I/O, H.264 Encoder/Transcoder, MPEG-2 Encoder Trans-Modulator in a space saving 4Ux19” chassis with 8 modular slots. By these modules, LinkMC could meet almost every kind of requirement in the movements from analog to digital TV broadcasting. Each module could be controlled via a portable programmer independently or via LAN.