Table Of Contents
ISDN DEFINITY
Extender 2300EU/2100EU
Troubleshooting........................................................ 48
Introduction.................................................................................... 48
No Remote Site Phone Display ..................................................... 48
No Switch Module Connection ..................................................... 49
No Indicator Lights at Power Up ................................................. 49
Switch Module Will Not Answer ................................................. 49
LED Sequences............................................................................... 50
LED Power Up Sequences ............................................................ 50
LED Power Up Verification Sequences........................................ 50
LED Error Indicator Sequences .................................................... 51
Serial S-Record Upgrade Errors.................................................... 53
Cannot Upgrade Software ............................................................. 53
Upgrade Failed .............................................................................. 53
ISDN Upgrade Errors.................................................................... 53
PBX Flash Too Small.................................................................... 53
REM Flash Too Small................................................................... 53
Upgrade Start Failure .................................................................... 54
Flash Erase Failure........................................................................ 54
Flash V Erase Failure .................................................................... 54
UG Data Timeout Failure.............................................................. 54
Data End Timeout Failure ............................................................. 54
UG CRC Timeout Failure ............................................................. 54
Diagnostic Statistics ....................................................................... 55
Error Codes ................................................................................... 52
Exclusive Error Codes................................................................... 57
Resetting the Statistics .................................................................. 58
Connection Errors ......................................................................... 54
Fatal Errors.................................................................................... 65
Customer Support Information.................................................... 66