<?xml version="1.0" encoding='utf-8'?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card id="card1" title="Physical layer - Page 7 - Wikipedia">
<p>
<a accesskey="1" href="page.php?w=Physical_layer&amp;p=6">1.Previous</a><br />
<a accesskey="3" href="page.php?w=Physical_layer&amp;p=8">3.Next</a>
</p>
<p>exclusively with hardware-level specifications and interfaces, as this model does not concern itself directly with physical interfaces.</p>

<p><big> Services </big></p>
<p>The major functions and services performed by the physical layer are:The physical layer performs bit-by-bit or <a href="page.php?w=Symbol_rate">symbol-by-symbol</a> data delivery over a physical <a href="page.php?w=transmission_medium">transmission medium</a>. It provides a standardized interface to the transmission medium, including a mechanical specification of <a href="page.php?w=electrical_connector">electrical connector</a>s</p><p>
<a accesskey="1" href="page.php?w=Physical_layer&amp;p=6">1.Previous</a><br />
<a accesskey="3" href="page.php?w=Physical_layer&amp;p=8">3.Next</a>
</p>

<do type="prev" label="Search">
        <go href="search.wml"/>
</do>

</card>
</wml>
