12. In-Service Commissioning ............................................................ 197
Before You Start ............................................................................... 197
What You Will Need .................................................................... 197
Applying Power to the Terminals ........................................................... 198
Review the Link Configurations Using SuperVisor ........................................ 198
Antenna Alignment ............................................................................ 199
Checking the Antenna Polarization .................................................. 199
Visually Aligning Antennas ............................................................ 200
Accurately Aligning the Antennas .................................................... 201
Checking Performance ................................................................. 203
Checking the Receive Input Level .................................................... 203
Checking the Fade Margin ............................................................. 204
Checking the Long-Term BER ......................................................... 205
Bit Error Rate Tests .................................................................... 205
Additional Tests ........................................................................ 206
Checking the Link Performance ...................................................... 207
Viewing a Summary of the Link Performance ...................................... 208
Saving the History of the Link Performance ........................................ 209
13. Maintenance ............................................................................ 213
Routine Maintenance ......................................................................... 213
Terminal Upgrades ............................................................................ 214
Software Upgrade Process ............................................................ 215
Uploading the Root File System ...................................................... 216
Uploading the Motherboard Images .................................................. 216
Identifying the Correct TFTP Upgrade Type ........................................ 217
TFTP Upgrade Process Types ......................................................... 220
Uploading System Files ................................................................ 226
Viewing the Image Table .............................................................. 231
Changing the Status of an Image File................................................ 232
Rebooting the Terminal ...................................................................... 233
Support Summary.............................................................................. 234
Installing Interface Cards .................................................................... 235
Preparing the Terminal for New Interface Cards .................................. 236
Installing an Interface Card ........................................................... 238
Configuring a Slot ...................................................................... 240
14. Troubleshooting ........................................................................ 241
Loopbacks ...................................................................................... 241
RF Radio Loopback ..................................................................... 241
Interface Loopbacks ................................................................... 242
Timeslot Loopbacks .................................................................... 243
Alarms........................................................................................... 244
Diagnosing Alarms ...................................................................... 244
Viewing the Alarm History ............................................................ 246
Saving the Alarm History .............................................................. 247
Viewing Interface Alarms.............................................................. 248
Clearing Alarms ......................................................................... 249
Identifying Causes of Alarms .......................................................... 250
E1 / T1 Alarm Conditions.............................................................. 252
System Log ..................................................................................... 253
Checking the Syslog .................................................................... 253
Setting up for Remote Logging ....................................................... 255