Specification
POST PORT IMPEDANCE: Zr=600 Ohm
Modem
Modem impedance: 30 kHz to 4.4M Hz 100 Ohm
Insertion loss: @1020 Hz <0.3dB
200 Hz<f<3.4 kHzwith 1020Hz center <± 1 dB
Return loss: 300 Hz< f< 500 Hz >=14 dB
500 Hz< f< 2000 Hz >=18 dB
LCL : 50 Hz< f< 600 Hz > =40 dB
600 Hz< f< 3400 Hz >=46dB
3400 Hz< f< 30K Hz >=40dB
30K Hz< f< 1104K Hz >=45dB
1104K Hz< f< 4.4M Hz >=30 dB
Attenuation: 30 kHz<f<138 kHz >45dB
138 kHz<f<4.4 MHz >55dB
Delay distortion: 500 Hz<f<2800Hz 150 u sec
DC resistance: <12 Ω
Isolation resistance, branch-branch: 100 VDC; term = ∞ Ω >5MΩ