Model Number: ST-ADSL-3-#2906 Brand Name: SOLITONE Key Specifications/Special Features: It is used for isolating voice signal and ADSL digital signal from telephone signal, it can protect the voice signal and ADSL digital signal from the interference of a telephone and a fax machinePOTS -3dB, cut off frequency: 7/8kHzPOTS pass ripple loss: (20Hz to 4kHz) ±0.5dBAttenuation:30-300kHz: >-65dB

30-1104kHz: >-55dB

DC resistance each line: 12.5Ω maximum

Insertion loss (200Hz to 4kHz): -0.5dB maximum

Return loss:

• 300-500Hz: >-16dB
• 500-2000Hz: >-18dB
• 2000-2400Hz: >-18dB

Longitudinal balance (CMRR):

• 200Hz-1kHz): -58dB minimum
• 3kHz: -53dB minimum

POTS loop current: 100mA DC

Envelope delay distortion (0. 2 to 4. 0kHz): 100usec maximum

Impedance (300Hz to 3. 4kHz): 600Ω

Hi-Pot test: tip to ring, 250V DC/1mA 2 sec