The DIF-1000 Modular Panel Interface is a 19“/1RU black box which provides the matrix connection via CAT5 or coax cabling. It also provides all local audio and GPI I/Os you find on 1000 series control panels. The Panel Modules are connected to the Interface using CAT5 cabling. Because the DIF-1000 features a built-in speaker and mic/headset connections like on a standard panel it is easy to operate and service.