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| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Bachelor/CCNA4/en_CCNA4_v30/ch3/3_1_1/content.html | |
| download | Studium-master.tar.gz Studium-master.tar.bz2 | |
Diffstat (limited to 'Bachelor/CCNA4/en_CCNA4_v30/ch3/3_1_1/content.html')
| -rw-r--r-- | Bachelor/CCNA4/en_CCNA4_v30/ch3/3_1_1/content.html | 72 |
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diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch3/3_1_1/content.html b/Bachelor/CCNA4/en_CCNA4_v30/ch3/3_1_1/content.html new file mode 100644 index 0000000..9a1bd24 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch3/3_1_1/content.html @@ -0,0 +1,72 @@ +<html>
+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><b><font face="Arial" size="2" color="#FFFFFF">3</font></b><font face="Arial" size="2" color="#FFFFFF"><b>.1</b></font></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">Serial Point-to-Point Links</font></strong></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">3.1.1</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">Introduction to serial
+ communication</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td>
+
+ <font FACE="Arial" SIZE="2">WAN technologies are based on serial
+ transmission at the physical layer. This means that the bits of a
+ frame are transmitted one at a time over the physical medium.</font><p>
+
+ <font FACE="Arial" SIZE="2">The bits
+ that make up the Layer 2 frame are signaled one at a time by physical
+ layer processes onto the physical medium.
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"> The signaling methods
+ include Nonreturn to Zero Level (NRZ-L), High Density Binary 3,
+ (HDB3), and Alternative Mark Inversion (AMI). These are examples of
+ physical layer encoding standards, similar to Manchester encoding for
+ Ethernet. Among other things, these
+ signaling methods differentiate between one serial communication
+ method and another. Some of the many different serial communications
+ standards are the following:</font></p>
+ <ul>
+ <li>
+
+ <font FACE="Arial" SIZE="2">RS-232-E</font></li>
+ <li>
+
+ <font FACE="Arial" SIZE="2">V.35</font></li>
+ <li>
+
+ <font FACE="Arial" SIZE="2">High Speed Serial Interface (HSSI)</font></li>
+ </ul>
+ <p><font face="Arial" size="2"> </font>
+ </td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
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