전자부품 데이터시트 검색엔진 |
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AD-8039J 데이터시트(PDF) 4 Page - Bothhand USA, LP. |
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AD-8039J 데이터시트(HTML) 4 Page - Bothhand USA, LP. |
4 / 9 page P/N: AD-8039J E.4.2.2 Ringing The POTS splitter should accept the following ringing signals. ! Ringing frequency: 15 – 30 Hz ! Ringing AC: maximum 100 Vrms ! Ringing DC (AC superimposed on DC): maximum minus 60 V E.4.2.3 L1-to-L2 DC Voltage The POTS splitter should accept POTS L1-to-L2 DC voltages of 0 to minus 60 V. In addition, it should be able to withstand a POTS L1-to-L2 DC voltage of up to 120 V for at least 10 s. In addition, the Recommendation K.20 and K.21 may be considered to ensure the POTS splitter availability when the Surge voltage is applied to the POTS splitter. E.4.2.4 DC Resistance The L1-to-L2 DC resistance, at the PSTN interface with the U-C interface shorted, or at the POTS interface with the U-R interface shorted, shall be less than or equal to 40 Ω. E.4.2.5 Isolation Resistance The isolation resistance of the POTS splitter should remain intact under the following conditions. E.4.2.5.1 L1-to- L2 Isolation Resistance The L1-to-L2 isolation resistance at the PSTN interface with the U-C interface opened, or at the POTS interface with the U-R interface opened, shall be greater than or equal to 10 MΩ. E.4.2.5.2 Isolation Resistance to Ground The isolation resistance ground at the PSTN interface with the U-C interface opened, or at the POTS interface with the U-R interface opened, shall be greater than or equal to 10 MΩ. E.4.2.6 Capacitance The capacitance of the POTS splitter should satisfy the following requirements. E.4.2.6.1 L1-to-L2 Capacitance The L1-to-L2 capacitance at the PSTN interface or the POTS interface shall be as follows: POTS splitter, either CO or Remote without the modem connected. 250nF Max (DC – 30Hz) Modem input allowance, including the DC blocking capacitors at the CO end. 35nF Max (DC – 30Hz) Modem with integral POTS splitter function or – external POTS splitter with 285nF Max (DC – 30Hz) both HPF and LPF functions, are the sum of the above E.4.2.6.2 Capacitance to ground The capacitance to ground at the PSTN interface with the U-C interface opened, or at the POTS interface with the U-R interface opened, shall be less than 1.0 nf E.4.3 AC Characteristics This paragraph contains the AC specifications of the voice band, such as the insertion loss, the attenuation variation, the delay distortion, the return loss, the longitudinal balance, the distortion caused by harmonics, and the termination, and the methods for measuring them. In addition it contains specifications and measurement methods for the out band and the ADSL band. E.4.3.1 Voice Band This section describes the AC characteristics in the voice band. 462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434 |
유사한 부품 번호 - AD-8039J |
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유사한 설명 - AD-8039J |
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