The T-Berd 107 T-Carrier analyzer is a hand-held, battery-or AC- operated test set for T1 and T1C circuits. Packaged in a compact case, the T-Berd 107's operating panel features test mode selection switches, alarm and signal status LED indicators, and a liquid crystal display with backlighting capability. The T-Berd 107 also contains a printer port for providing hard copy results