Chapter 1 Cisco XR 12406 Router Overview
Line Cards
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 temperature by two temperature sensors mounted on each card. The MBus module makes voltage adjustments through software for the +2.5 VDC, +3.3 VDC, and +5 VDC
•Clock and scheduler cards and switch fabric cards are monitored 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.
| Cisco XR 12406 Router Installation Guide |
