1. Product Overview: JT01CCT telephone account meter is designed to satisfy the requirement of public telephone business by Jarti Communication Co, Ltd. The Phone Meter accord the Country Standard of China 《The Qualification of Automatic Telephone Technology 》GB/T 15279-2002 and the standard which The Bureau of Information Industry of China promulgated YDN 006-1996《The Qualification of Automatic Telephone Account Manage System Technology》. 2. Features and specification: ◆Intelligentized Account and display incoming telephone code; ◆Double apheliotropic LCD screen; ◆Exact account, Display the phone call time and the fee of call on real time. ◆Report the fee of call with voice. ◆120 phone bill and the last 50 incoming phone code memory capacity. ◆Lookup the fee of call in the current day, and lookup the total fee or month抯 total fee of call in the last 12 month. ◆Reset account. ◆Display date and time. ◆Super ability to avoid lightning strike. 3. Main Technology Standard: -Condition: Environment: Avoid rain, dust, direct sun shine; Temperature: 0℃-+40℃； Relative Humidity:10％－95％ -Technology Standard Timing Precision: Reversed Polarity Signal timing precision less than 1 second. Double Audio receive code: >>99.99%， more than -23dBm receive assumingly. damp: ≤0.5dB（800Hz）, interface noise level(idle): ≤-67dBmp Double Audio Dial up parameter: Amplitude -7~-14 dBm. Total signal distortion: >20 dB DC Character: Talking DC resistance: ≤500 Reversed Polarity Signal requirement: Long Reversed Polarity Signal Rate Setup and import way: By network manage center. 3.Condition & Technology standard: Condition Environment Avoid rain, dust, direct sun shine Temperature -20℃～+40℃ Relative Humidity 10%－95% Technology Standard Timing Precision Reversed Polarity Signal timing precision < 1 second. Double Audio receive code >>99.99% Damp ≤0.5dB interface noise level (idle) ≤60 dB (A)