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• Both power supply modules malfunction
• Both power supply modules are powered down
• When the AC line fails
Temperature Gauge
The 6-Slot Rackmount/Desktop Chassis includes a temperature monitoring gauge with a heat
sensor on the backplane of the chassis. Users define a threshold for chassis temperature via
SNMP. If the chassis’ temperature rises above the specified level, the SNMP agent sends a
trap (configured in iView²) to the administrator. There is also an LED indicator on the SNMP
Management Module for chassis temperature.
SNMP Write Lock
There is an SNMP Write Lock switch located above the SNMP module slot on the front of the
6-Slot Rackmount/Desktop Chassis. The SNMP Write Lock switch prevents a new
management board from re-configuring the
application module settings (e.g., the status of features
such as LinkLoss, FiberAlert, Force mode, etc.) made
via SNMP on any previous Management Modules.
NOTE
Leave this switch in the
NORMAL
position during day-to-day operation; the
LOCKED
position should only be used when changing the SNMP management board.
The SNMP Management Module can be removed and replaced as necessary. Refer to the
SNMP Management Module manual for complete instructions about configuration and
operation. If an SNMP Management Module is installed, refer to the LED panel below for
indicators of Link, Temperature, Power Supply modules and other functions.
SNMP Management Module LEDs
The SNMP Management Module features several LEDs. The LED functions are: