MP7500 Router Installation Manual Version 1.0
Fan Module Working Process
Two fan shelves work at once after power on and switch as follows:
•
When the two are normal, they both work slowly.
•
When one fails, the other works at full speed and the faulty one
works slowly.
•
When the two fail, they both work at full speed.
•
When only one is inserted, it works at full speed.
RM7B-SIU-01 Module (Mandatory)
SIU module is mandatory for MP7500. It provides LCD panel and buttons
for users to check the working status of MP7500, and shows the system
working status through LEDs.
RM7B-SIU-01 Pane & Indicator
RM7B-SIU-01 panel:
SIU panel indicators:
Indicator Description
Slow flash
System normal
SYSTEM (green
light)
On or off
System faulty
Red
Control card temperature alarm
Orange
Fan shelf power alarm
ALARM
Green
No alarm signal and system normal
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