iii
Replacement procedures ···········································································································································66
Safety recommendations ··············································································································································· 66
Replacing a power supply ············································································································································ 66
Replacing an RPE-X1 MPU ············································································································································ 67
Prerequisites ··························································································································································· 67
Replacing an MPU ················································································································································ 67
Replacing an RSE-X1 MPU············································································································································ 68
Prerequisites ··························································································································································· 68
Replacing an MPU ················································································································································ 68
Replacing a FIP module················································································································································· 69
Replacing a SAP/OAP module ···································································································································· 70
Replacing a HIM ···························································································································································· 71
Replacing a MIM ··························································································································································· 72
Replacing a CF card······················································································································································ 72
Replacing a transceiver module ··································································································································· 73
Replacing a fan tray ······················································································································································ 74
Replacing an air filter ···················································································································································· 75
Replacing a memory module ········································································································································ 76
When to replace a memory module ··················································································································· 77
Memory module structure ····································································································································· 78
Memory module slot·············································································································································· 78
Replacing a memory module ······························································································································· 78
Troubleshooting··························································································································································80
MPU failures ··································································································································································· 80
RUN LED is off ······················································································································································· 80
RUN LED fast flashes············································································································································· 80
ALM LED is steady on or flashes·························································································································· 81
FIP module failures ························································································································································· 81
RUN LED is off ······················································································································································· 81
RUN LED fast flashes············································································································································· 82
Power supply failures····················································································································································· 82
Power LED is off····················································································································································· 82
Red power LED is on············································································································································· 82
Fan failures ····································································································································································· 82
Fan tray is absent ·················································································································································· 82
ALM LED is red ······················································································································································ 83
HIM/MIM failures·························································································································································· 83
Configuration system problems ···································································································································· 84
No terminal display ·············································································································································· 84
Garbled terminal display······································································································································ 84
No response from the serial port························································································································· 84
Password loss ································································································································································· 84
BootWare password loss ····································································································································· 84
User password loss ··············································································································································· 85
Super password loss ············································································································································· 86
Cooling system failure ··················································································································································· 87
Interface module, cable, and connection failure ········································································································ 88
Software upgrade failures············································································································································· 88
No response from the serial port of the MPU····································································································· 88
TFTP upgrade failure ············································································································································· 88
FTP upgrade failure··············································································································································· 89
Application file missing errors ······································································································································ 89