ocr: INTERFACES INTO ATM WANS Router Data Exchange ATM Access Intertace (DXI Concentrators (AAC] T-1/E-1 Constant Bit Rate UNI (CBR) Video ATM codec WAN High-Speed Serial intertace 1-3/E-3 (HSSI) User-to-Network . Intertace (UNI) ATM Data Channel Service Unit extender (ADSU) FIGURE 3: Fhe wO ypes of interlaces for AIM WVAN conrechons ore the Dota Exchange Interface DXI ond the AIM Doto Service Unit (ADSUI The DXI connects lo the network via on ATM Access Concentraior AACI. while the ADSUuses the UseroNelwork hterface (UNII standord.
