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Sound Card Internal Connectors<br />

Network <strong>and</strong> Modem Ports <strong>and</strong> Cables 325<br />

Telephone<br />

Answering<br />

PC<br />

Device CD in Aux in Speaker I2S In<br />

CD<br />

SPDIF<br />

TAD CD IN AUX IN PC SPK I2S CD SPDIF<br />

Typical internal sound card ports include, from left to right, TAD (telephone<br />

answering device for use with modems), CD in (for playing music CDs<br />

through the sound card speakers), Aux in (for connecting other devices), PC<br />

SPK (for playing PC speaker beeps through the sound card’s speakers), I2S in<br />

(for playing DVD audio), <strong>and</strong> CD SPDIF (for playing digital audio from CD-<br />

ROM drives with SPDIF output).<br />

Network <strong>and</strong> Modem Ports <strong>and</strong><br />

Cables<br />

RJ-45 Port <strong>and</strong> Cable<br />

RJ45f<br />

An RJ-45 port, typically used for UTP Ethernet/Fast Ethernet.<br />

RJ45m<br />

An RJ-45 cable connector, typically used for UTP Ethernet/Fast Ethernet.

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