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Specifications: Electrical
Loop Limit
2.4 kOmaximum at 48 VDC (nominal 15 mA minimum loopcurrent)
DC Resistance (Talk Mode)
150 Otypical at 80 mA current
AC Impedance (Monitor Mode)
Low impedance (Ring position) 600 Oat 1 KHz typical
High impedance (HI Z position) 100 kOminimum at 1 KHz
Rotary Dial Output
10 pps .5 pps
Pulsing Rate 60 % ± 2 %
Percent Break 800 ms typical
Interdigit Interval Leakage During Break
> 50 kO
DTMF Output
±1 % maximum
Tone Frequency Error Level per Tone Pair
dBm maximum, - dBm minimum
High versus Low Tone Difference
4 dB maximum
Physical
Length
8.75 in (22.2 cm)
Width
2.375 in (6.03 cm)
Height
3.375 in (8.57 cm)
Weight
10.8 oz (.307 kg) maximum
Environmental
Temperature
Operating: -5 °C to °C
Storage: -40 °C to °C
Drop
1 meter, 4 times
Altitude
To 3,000 meters (10,000 feet) maximum
Relative Humidity
10 %to 80 % (non...