Fan Module Alarms Introduction
1-195
Software Reference for SwitchBlade x3100 Series Switches (Setting Up the Switch)
• Control link lost
• Datalink lost (CM side: link A)
• Datalink lost (CM side: link B)
• Datalink lost (Line Card side: link A to slot 4)
• Datalink lost (Line Card side: link B to slot 4)
• Datalink lost (Line Card side: link A to slot 5)
• Datalink lost (Line Card side: link B to slot 5)
1.14.3.4 PSU Card Alarms
The PSU cards support the following alarms.
• Card Not Present
• Hardware Not Recognized
• Input Voltage Fault
• No Communication
• Output Voltage Fault
• High Temperature - as detected by the temperature sensor on the PSU
• General Fault - PSU failures for which there is no more specific alarm (e.g. fan failure)
There are some notable behaviors of PSU alarms during a PSU mismatch (System PSU installed in a PoE PSU
slot or vice versa) scenario.
1. If a PoE PSU is installed in a System PSU slot (slot C or D), the following alarms are generated for the mis-
matched slot:
• Input Voltage Fault
• Output Voltage Fault
• PSU General Fault - (This alarm will be masked.)
2. If a System PSU is mistakenly installed in a PoE PSU slot (slot A or B), the behavior depends on whether a
PoE PSU is installed in the other PoE PSU slot. If a PoE PSU is installed in one PoE PSU slot and a System
PSU is installed in the other PoE PSU slot, the following alarms are generated for the mismatched slot:
• Hardware Not Recognized
• No Communication
If a System PSU is installed in one PoE PSU slot and there is no other PoE PSU installed, there will be no alarms.
1.14.4 Fan Module Alarms
Alarms for the fan module include the following.; (Refer to the Allied Telesis Log Manual for complete information
on these alarms.)
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