Cisco Headend System Release 2.7 사용자 가이드
Chapter 5 SDV Troubleshooting Flowcharts
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Black or Gray Screen Issue
When subscriber tunes to an SDV channel, a black or gray screen appears on either a
single SDV channel or on multiple SDV channels. To view the sequence of
flowcharts for this issue, go to one of the following sections:
single SDV channel or on multiple SDV channels. To view the sequence of
flowcharts for this issue, go to one of the following sections:
Black or Gray Screen: Single Channel (on page 106)
Black or Gray Screen: Multiple Channels (on page 110)
Black or Gray Screen: Single Channel
Each flowchart within this sequence is a possible cause for a black or gray screen to
appear on a single SDV channel. Each individual flowchart provides steps to
determine whether or not a possible cause is, in fact, causing this issue.
appear on a single SDV channel. Each individual flowchart provides steps to
determine whether or not a possible cause is, in fact, causing this issue.