Cisco CX-FEIP-1TX= Installation and con?guration Manual de instrucciones Pagina 6

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3300 ICP Technician’s Handbook
Chapter 5 : Troubleshooting
About this Chapter ............................................................................................................ 167
Troubleshooting Tools ............................................................................................... 168
Using the Phone Debug Option ................................................................................. 170
Using the Dual Mode Phone Debug Option ............................................................... 171
IEEE 802.1X Authentication for IP Phones ................................................................ 176
Before You Contact Technical Support ...................................................................... 179
General Troubleshooting Steps ........................................................................................ 181
View Alarms ..................................................................................................................... 182
Alarm Levels .............................................................................................................. 182
View Alarms ............................................................................................................... 182
Troubleshoot Software ..................................................................................................... 183
Embedded System Management (ESM) ................................................................... 183
Installation and Upgrade ............................................................................................ 183
Downgrading to a Previous Software Release .......................................................... 185
Backup and Restore .................................................................................................. 186
Audio File Downloads ................................................................................................ 188
Troubleshoot Hardware .................................................................................................... 189
Alarms ........................................................................................................................ 189
Embedded T1/E1 (PRI, T1/D4, or MSDN/DPNSS) .................................................... 191
Embedded BRI ........................................................................................................... 193
Network Services Units (NSUs) ................................................................................. 194
Analog Services Units (ASUs) ................................................................................... 196
In-Line Power ............................................................................................................. 197
Power Over Ethernet ................................................................................................. 201
Digital Service Units (DSU) ........................................................................................ 201
Troubleshoot Digital Trunks ............................................................................................. 203
Digital Trunking .......................................................................................................... 203
Troubleshoot the Network ................................................................................................ 204
IP Trunking ................................................................................................................. 204
LAN ............................................................................................................................ 204
E2T ............................................................................................................................ 206
CXi-specific Issues ..................................................................................................... 207
PC Network Connectivity ........................................................................................... 209
IP Phone Registration ................................................................................................ 210
Troubleshoot Phones and Peripherals ............................................................................. 217
Phone Connection ..................................................................................................... 217
Phone Audio Quality .................................................................................................. 222
IP Phone Boot Sequence ........................................................................................... 225
Checking the IP Phone Progress Display .................................................................. 230
IP Console ................................................................................................................. 231
Chapter 6 : Maintenance
General Maintenance Procedures .................................................................................... 235
Checking the System ................................................................................................. 235
Checking Controller Hardware Profile ........................................................................ 235
Maintaining Security ................................................................................................... 236
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