Product description
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 machine
POTS -3dB, cut off frequency: 7/8kHz
POTS pass ripple loss: (20Hz to 4kHz) ±0.5dB
Attenuation:
- 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 seconds
30-300kHz: ≥65dB
30-1104kHz: ≥55dB
300-500Hz: ≥16dB
500-2000Hz: ≥18dB
2000-2400Hz: ≥18dB
200Hz-1kHz: -58dB (minimum)
3kHz: -53dB (minimum)