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

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

DTMF Output Tone Frequencies Tone Frequency Error

per ITU-T Q.23 ±1.5% Maximum

Tone Level

High Group Low Group

-4 dBm (into 600 Ω) -6 dBm (into 600 Ω)

High vs Low Tone Difference

2dB +1db

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)

Environmental

Temperature Operating Storage

-4 °F to +140 °F (-20°C to +60°C)
-40 °F to +151 °F (-40°C to +66°C)

Relative Humidity

5% to 95%

Safety

Telecom Electrical

TNV-3

Safety Classification

IP54

Regulatory Standards Used

Certifications and Compliance

Notes: Specifications subject to change without notice. Legal requirements may exist regarding permission to connect equipment to a Telecom network opterated by a public network operator.

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