TS® 30 Series Test Sets
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Last Number Redial (Tone/Pulse)

Memory Capacity Memory Retention
23 digits 8-minutes nominal
Flash Duration
600 ms ±100 ms
Ringer Loudness
> 70 dBA at 1 meter
Ringer Equivalent (REN)
0. 14
Measurements
10 in x 2. 83 in x 3. 34 in (25. 5 cm x 7. 2 cm x 8. 5 cm)
Weight
16. 8 ounces (0. 476 kg)

Pulse Dial Output

Pulsing Rate
10 pps pps
Open/Close Ratio
60/40
Inter-digit Interval
800 ms %, -10%
Resistance During Pulse Open
> 200,000 Ω
Protection Against Alternating Current Overvoltage
The TS30 survives up to 250 Vrms across its test leads.
Peak Acoustic Output of the Receiver
<120 dBspl
DTMF Output Tone Frequencies Tone Frequency Error
per ITU-T Q. 23 ±1. 5% Maximum

Electrical

Return Loss
>14 dB (ref 600 Ω)
Line Current Range
15 mA to 120 mA
Resistance to Continuous Current (Talk Mode)
275 Ω typical at 20 mA
Monitor Mode Impedance
>120,000 Ω 300 Hz to 3400 Hz

Tone Level

High Group Low Group
-4 dBm (into 600 Ω) -6 dBm (into 600 Ω)
High vs Low Tone Difference
2dB +1db

Environmental

Temperature Operating Storage
-40 °F to +151 °F (-40°C to +66°C) || -4 °F to +140 °F (-20°C to +60°C)
Relative Humidity
5% to 95%

Safety

Telecom Electrical
TNV-3
Safety Classification
IP54