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Cisco TelePresence MX300 トラブルシューティングマニュアル

How to use this guide

The entries in the Table of contents are all hyperlinks. You can click on them to go to the topic.

Your Cisco product has been designed to give you many years of safe, reliable operation.

please visit the Cisco web site regularly for updated versions of this guide.

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

Troubleshooting Guide TC6.0