Media5 Mediatrix 4104, Reference Manual

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Appendix B - Standard Hardware Information DTMF Tone Generation
376 Mediatrix 4104
DTMF Tone Generation
MTBF Value
The Mean Time Before Failure (MTBF) value of the Mediatrix 4104 is 250,000 hours at 25 degrees Celsius
ambient temperature. It has been defined using RelCalc v5.0, Bellcore method (LimitedStress - Method I,
Case 3), Desktop unit.
Power Consumption
Measurements at the DC input
Operating Environment
Table 235: DTMF Tone Generation
Parameter Description
Per Frequency Nominal -8 dBm to -5 dBm
Frequency Deviation Within 1.5% of nominal values
Table 236: Power Consumption at the DC Input
Parameter Description
Idle Mode; 120Vac I = 130 mA P = 8.5 W
Idle Mode; 240Vac I = 115 mA P = 10 W
Ringing Mode (worst case);
85Vac I = 350 mA P = 14.5 W
Ringing Mode (worst case);
265Vac I = 175 mA P = 17.25 W
Table 237: Operating Environment
Parameter Description
Operating Temperature 0°C to 40°C
Humidity Up to 85 %, non-condensing
Storage -20°C to +70°C