ocr: ATM NETWORK STANDARD INTERFACES Public ATM network B-ICI ATM UNI Public ATM CPE network Private ATN NNI network Figure 1. At present, there are three interface standards for use with public ATM nelworks. These are: the User-Network Interface (UNI), which connects Customner Premises Equipmient (CPE) with the public. ATM network; the Network-to-Node Interface (NNI), which connects public and privale ATM nelworks; and the Broadband-Intercarrier Interface (B-ICI), - for interfacing between ho public. ATM networks.
