Specifications: User interface
Slide switch selects Continuity or Tone Mode
Push button switch selects SOLID, ALT or OFF
Tone mode LED
Continuity/Polarity LED
Solid Frequency
1000 Hz nominal
Alternating Frequency
1000/1500 Hz nominal
Over Voltage Protection
60 Vdc in Toner/Polarity Mode
Output Power in Tone Mode
8 dbm into 600 ohms
Output Voltage Level in Continuity Mode
8 Vdc with fresh battery
Battery
9V alkaline
Temperature
Operating: -20° C to 60° C, Storage: -40° C to 70° C
Case dimensions
2.7 in. x 2.4 in. x 1.4 in. (6.9 cm x 6.1 cm x 3.6 cm)
Specifications: 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
Temperature:
Operating: -5 degree C to degree C
Storage: -40 degree C to degree C
Drop: 1 meter, 4 times
Altitude: To 3,000 meters (10,000 feet) maximum
Relative Humidity: 10 %to 80 % (non-condensing)