Upstream RF Troubleshooting
Upstream RF Troubleshooting
Upstream RF Troubleshooting
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Group Delay<br />
• Specialized<br />
test equipment<br />
can be used to<br />
characterize<br />
upstream inchannel<br />
performance<br />
• In this<br />
example, inchannel<br />
group<br />
delay ripple is<br />
about 60 ns<br />
Courtesy of Sunrise Telecom<br />
<strong>Upstream</strong> <strong>RF</strong><br />
<strong>Troubleshooting</strong><br />
© 2003, Cisco Systems, Inc. All rights reserved.<br />
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