Table Of Contents - Cisco TelePresence C20 Troubleshooting Manual

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The user documentation can be found at http://www.cisco.com/go/telepresence/docs.
Contents
Introduction .........................................................................................................................4
Accessing the system using the web interface ....................................................................5
Find ip address - Touch interface .......................................................................................... 5
Find ip address - remote control ............................................................................................ 5
New troubleshooting features in TC6 ..................................................................................6
Video problems ...................................................................................................................6
Settings effecting video quality .............................................................................................. 7
Default call rate ................................................................................................................... 7
Video protocol ..................................................................................................................... 7
Selecting when to use 60fps over 30fps ............................................................................ 7
Hardware support for 1080p 60fps for C60 and C90 ........................................................ 7
Network related issues ........................................................................................................... 8
packet loss .......................................................................................................................... 8
One way video or audio ...................................................................................................... 9
interoperability issues ............................................................................................................. 9
Far-end problem ................................................................................................................... 10
Codec - no self-view ............................................................................................................ 10
Using a remote control (C Series, SX20) .......................................................................... 10
Using the Touch interface (C Series, SX20) .................................................................... 10
Web interface .................................................................................................................. 10
Monitor ..................................................................................................................................11
Cabling...................................................................................................................................11
presentation issues. Sending of images from attached computer .......................................11
General ..............................................................................................................................11
input Source Selection ......................................................................................................11
D15029.01 Troubleshooting Guide TC6.0, April 2013.
Using multiple screens ......................................................................................................... 12
Menus - On Screen Display (OSD) ................................................................................... 12
Some parts of images are off the edge of the screen (C Series and SX20) ....................... 13
Screen does not turn off in standby (HDMi - CEC) .............................................................. 13
Video layout customization ................................................................................................... 13
Audio problems ................................................................................................................. 14
No sound locally ................................................................................................................... 14
No sound (DNAM) - profile, T1 and T3 Systems .................................................................. 14
Echo issues (echo cancellation) ........................................................................................... 15
Using internal speakers on a modern TV.......................................................................... 15
pop noise after unexpected restart ...................................................................................... 15
Custom Audio TC Console (C40, C60, C90)........................................................................ 15
Peripheral issues ............................................................................................................... 16
Touch .................................................................................................................................... 16
Camera ................................................................................................................................. 16
Multiple cameras (daisy chaining) ......................................................................................17
iSDN link .............................................................................................................................. 18
Microphones ......................................................................................................................... 18
remote control ..................................................................................................................... 19
Confirming the key presses are received ......................................................................... 19
System ............................................................................................................................... 19
Backup and restore configuration ........................................................................................ 19
Backup configuration ........................................................................................................ 19
restore configuration ....................................................................................................... 19
Maintenance mode ............................................................................................................... 20
Swapping the software image .......................................................................................... 20
Upgrading and downgrading software ................................................................................. 20
Cannot downgrade ........................................................................................................... 20
Upgrading issues .............................................................................................................. 20
Hardware compatibility .................................................................................................... 20
Security ............................................................................................................................. 21
Web page (HTTp/HTTpS) ....................................................................................................21
Default user account .............................................................................................................21
root user account .................................................................................................................21
Menus - restricting access to configuration changes ...........................................................21
Web page restrictions ...........................................................................................................21
Web Snapshots................................................................................................................. 22
Auto Answer...................................................................................................................... 22
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Troubleshooting Guide TC6.0
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