TS® 22 Series Test Sets
22801007
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Rotary Dial Output

Pulsing Rate
10 pps ±5 pps
Percent Break
61 % ± 2 %
Interdigit Interval
1000 ms typical
Leakage During Break
>50 kΩ

Electrical

Loop Limit
2 kΩ maximum at 48 VDC (nominal 20 mA minimum loop current)
DC Resistance (Talk Mode)
300 Ω typical || (Talk Mode)

DTMF Output

Tone
±1% maximum
Frequency Error Tone Level
-3 dBm combined (typical)
High versus Low Tone Difference
4 dB maximum
Monitor Amplifier
9 V battery; provides 25 hours
Power Source
Shared line and battery power
Speaker Levels for TS22
Low, medium, high and off
Automatic Power Shut Off
After 5 min. of no audio signal
Speakerphone Levels TS22A
Low, medium, high and off

Weight

TS22
21 ounces (. 595 kg)
TS22A
22 ounces (. 624 kg) typical

Physical

Physical Measurement
10. 25 in x 2. 69 in x 3. 38 in (26 cm x 6. 83 cm x 8. 57 cm)

Monitor Impedance

TS22
5 kΩ nominal at 1 kHz
TS22A
120 kΩ nominal at 1 kHz

Environmental

Temperature Operating:
29 °F to 140 °F (-34 °C to 60 °C)
Storage
-40 °F to 150 °F (-40°C to 66 °C)
Altitude
To 10,000 feet (3,000 meters)
Relative Humidity
5 % to 95 %