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Hardware Description and Reference for Avaya ... - Avaya Support

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Analog line interface requirements<br />

The MM714 provides pass through <strong>for</strong> fax signal on its analog line ports.<br />

The MM714 supports up to four analog telephone sets with:<br />

MM714 Analog Media Module<br />

● An impedance range of Rs: 215 to 300 ohms, Rp: 750 to 1000 ohms, Cp: 115 to 220 pF<br />

● A ringing frequency range of 20 Hz, 25 Hz, or 50 Hz<br />

● A DC current range of 20 to 60 mA<br />

● A hook flash range of 90 to 1000 ms<br />

The MM714 provides -48 VDC <strong>for</strong> ports that are set up as direct inward dialing (DID)<br />

Comp<strong>and</strong>ing<br />

MM714 allows <strong>for</strong> A- or Mu-law selection at installation. This is a software-selectable capability<br />

that applies to all ports on the MM714.<br />

Issue 6 February 2007 295

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