We are specialized in producing LAN cable, patch panel, keystone jack, patch cord, cable management, modular plug, faceplate, network cabinet, PDU and much more since 2000
Features:
It is used for separating 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
Product description:
1. Cut-off frequency: 7/8kHz
2. Pots pass ripple loss range: 20Hz to 4kHz ± 0.5dB
3. Attenuation range: 30-300kHz, 65dB
4. DC resistance each line: 12.5Ω
5. Insertion loss (200Hz to 4kHz): -0.5dB
6. Return loss range: 300-500Hz, 16dB
7. Longitudinal balance (CMRR): 200Hz-1kHz, -58dB
8. Pots loop current: 100mA DC
9. Envelope delay distortion (0.2 to 4.0kHz): 100 seconds
10. Impedance (300Hz to 3.4kHz): 600Ω
11. Hi-pot test: Tip to ring, 250V DC/1mA, 2 seconds
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 |