Version 5.4
35
May 2008
SIP Hardware Installation Manual
2. Physical Description
Monitors and controls chassis temperature by changing the fans’ speed as a function
of chassis temperature.
Controls the state of alarm closures.
Controls the front-panel chassis LEDs.
Detects the state of the front chassis push-button.
Detects the availability of the power at the inlet leads.
The blade interconnects with all chassis elements. Alarms detected are transmitted via the
midplane to the various LED indicators on the chassis and blades as well as to the Alarm
Terminal Closures on the PEM module.
The SA/M3K blade is not cPCI compliant. However, the blade is protected using code keys
on the midplane.
The SA/M3K blade provides LEDs on its front panel, as displayed in the following figure.
Figure
2-15: SA/M3K Blade LEDs Location
