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Medium Access Control (MAC) and Physical Layer (PHY) - CISE

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4-June-07 P1901_PRO_016_r0<br />

Power <strong>Control</strong><br />

task<br />

Check currently<br />

negotiated bps<br />

Lower than<br />

Th_bottom?<br />

Periodically or not<br />

Yes<br />

Submission page 68 UPA-OPERA<br />

No<br />

Greater than<br />

Th_top?<br />

Yes<br />

Increase Txg Decrease Txg<br />

Figure 20 Power control algorithm<br />

3.14 RECEIVER ELECTRICAL SPECIFICATION<br />

Unless otherwise stated, all signals are specified as the voltage measured at the line terminal with respect to the<br />

neutral terminal.<br />

3.14.1 Receiver Input Impedance<br />

When not transmitting, the system shall present a minimum impedance of 40 Ω in the working b<strong>and</strong>, measured<br />

between line <strong>and</strong> neutral terminals.<br />

No

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