CCITT Rec. G.772 – DIGITAL PROTECTED MONITORING POINTS
1 Definition
2 Location
3 Electrical characteristics of the protected monitoring point
    3.1 Impedance
    3.2 Attenuation
    3.3 Protection of the PMP device
4 Electrical characteristics of the transmission path interface
    4.1 Impedance
    4.2 Return loss
    4.3 Attenuation
    4.4 Impact of the protected monitoring point on the maximum cable length
    4.5 Protection of the transmitted signal
References