Chapter1 Cisco XR 12406 Router Overview
Line Cards
1-28
CiscoXR 12406 Router Installation Guide
OL-13831-01
Environmental Monitoring and Alarms
The MBus module on each component monitors the environment of that
component as follows:
•Line cards and the route processor are monitored for te mperature by two
temperature sensors mounted on each card. The MBus module makes voltage
adjustments through software for the +2.5VDC, +3.3 VDC, and +5VDC
DC-DC converters.
•Clock and scheduler cards and switch fabric cards are monitore d for
temperature by two temperature sensors mounted on each card. The MBus
module makes voltage adjustments through software for the +2.5 VDC and
+3.3 VDC converters.
•The MBus module on the alarm card makes voltage adjustments for +5 VDC.
•Environmental monitoring includes voltage monitoring, temperature
monitoring, and sensing for the blower module fans.