Digital Signal Level 0 (DS-0 means the lowest-level signal in the time division multiplex digital hierarchy, and represents a voice-grade channel operating at either the 56 Kbps or 64 Kbps transmission bit rates. There are twenty-four (24) DS-0 channels in a DS-1.
KPI Target means the acceptable performance level for a KPI as set out in relation to each KPI;
Digital Signal Level 1 (DS-1 means the 1.544 Mbps first level signal in the time division multiplex hierarchy.
Digital Signal Level 3 (DS-3 means the 44.736 Mbps third level signal in the time division multiplex hierarchy.
Digital Signal Level means one of several transmission rates in the time division multiplex hierarchy.
Target means Trans-European Automated Real-time Gross Settlement Express Transfer payment system.
Semi-annual (2/Year) sampling frequency means the sampling shall be done during the months of June and December, unless specifically identified otherwise.
Minor source baseline date means the earliest date after the trigger date on which a major stationary source or a major modification subject to 40 CFR 52.21 or to regulations approved pursuant to 40 CFR 51.166 submits a complete application under the relevant regulations. The trigger date is: