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
Specifications:
1. POTS -3dB, cut-off frequency: 7/8kHz
2. POTS pass ripple loss: (20Hz to 4kHz) +/-0.5dB
3. Attenuation: 30-300kHz ≥ 65dB, 30-1104kHz ≥ 55dB
4. DC resistance each line: 12.5 Ohms (maximum)
5. Insertion loss (200Hz to 4kHz): -0.5dB (maximum)
6. Return loss: 300-500Hz ≥ 16dB, 500-2, 000Hz ≥ 18dB, 2, 000-2, 400Hz ≥ 18dB
7. Longitudinal balance (CMRR): 200Hz-1kHz): -58dB (minimum) 3kHz: -53dB (minimum)
8. POTS loop current: 100mA DC
9. Envelope delay distortion (0.2 to 4.0kHz): 100 seconds (maximum)
10. Impedance (300Hz to 3.4kHz): 600 Ohms
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 |