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56 Chapter 1 Introduction to the Business Communications Manager Platform Hardware
P0993133 03
• PCI device monitoring (LED 4-8): These LEDs monitor the peripheral components (2 x NICs,
1 x WAN, 1 x Modem, 1 x MSC). A steady green LED indicates the device is detected and
operationally normal. A flashing green LED indicates that software detects the hardware, but
there is no device driver. No color indicates the device is defective or missing.
— LED 4: Monitors the MSC
— LED 5: Monitors the WAN (if installed)
— LED 6: Monitors the modem (if installed)
— LED 7: Monitors the NIC 1
— LED 8: Monitors the NIC 2
• Chassis/CPU temperature (LED 9): Green indicates a normal, operational temperature range
for the chassis. Red indicates either a sensor is not operational or the chassis temperature is out
of range.
• Fan activity (LED 10): Green indicates that all fans are operational. Red indicates that one (or
more) fan is not operating correctly.
• Reset button: The reset button when depressed, restarts the system. The reset button is
recessed to prevent an accidental reboot.
Note: The system status LEDs correspond to the devices, not to the PCI slots.