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SX-200 ICP MX Technician’s Handbook
Replacing IP Phones ........................................................................................ 215
Restarting IP Phones ....................................................................................... 216
Upgrading Set Firmware .................................................................................. 216
Boot Codes.................................................................................................. 217
Firmware Revision Levels............................................................................ 217
Firmware Commands .................................................................................. 217
Measuring LS Trunks ....................................................................................... 218
Running the Line Quality Test ..................................................................... 219
Running the Distortion Test......................................................................... 220
Running the Echo Test................................................................................ 220
Maintenance Commands ................................................................................. 221
Maintenance Port Characteristics................................................................ 221
Telnet Requirements ................................................................................... 221
Entering Command Sequences................................................................... 221
Logging In.................................................................................................... 222
Logging Out ................................................................................................. 222
Switching between Maintenance and CDE.................................................. 223
Displaying the Card Configuration ............................................................... 223
Showing the System Identity ....................................................................... 223
System Commands ..................................................................................... 223
Report Commands....................................................................................... 227
Traffic Measurement Commands ................................................................ 229
Log Commands ........................................................................................... 230
Diagnostic Function Commands.................................................................. 231
Backing up Log and Trap Files using Kermit .................................................... 232
Sending Logs and other System Files to an E-mail Address or FTP Server..... 233
Retrieving Logs and other System Files using Kermit ...................................... 234
Maintenance Tips ............................................................................................. 234
Chapter 6 : Basic Troubleshooting and Repair
About this Chapter ............................................................................................ 237
Troubleshooting Tools ...................................................................................... 238
Before you Contact Technical Support ............................................................. 239
General Troubleshooting Steps ........................................................................ 240
Using the Phone Debug Option................................................................... 240
Checking the System LEDs .............................................................................. 241
Controller LEDs ........................................................................................... 241
NSU LEDs ................................................................................................... 243
ASU LEDs ................................................................................................... 245
Troubleshooting Phones and Peripherals Problems ........................................ 246
NSU/PRI Troubleshooting ................................................................................ 249