HP PROCURVE 6208M-SX Installation And Getting Started Manual: Reset Button

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Installation and Getting Started Guide
Standard and Redundant Power Options
The Fixed-port devices come standard with two power supplies. Redundant power is an option for the Chassis
device. Each power supply can be connected to a separate AC power source for additional power redundancy.
Fixed-Port Devices
These systems come standard with two power supplies.
Chassis Devices
The HP 9304M comes standard with one power supply, which is enough to provide adequate power for any
combination of modules. You can order an additional power supply for redundancy.
The HP 9308M can contain from one to four power supplies and comes standard with one power supply.
One supply is adequate for devices with one, two, or three modules (including the management module).
If the chassis contains four or more modules, you need at least two power supplies. Two power supplies is
sufficient if the chassis contains fewer than four 24-port 10/100 FX modules.
If the chassis contains four or more 24-port 10/100 FX modules, you need at least three power supplies.
You can order additional power supplies over your systems' minimum requirement for redundancy. If fewer than
four power supplies are installed, the empty slots will be covered by safety covers.
NOTE: When you power on a Chassis device that requires multiple power supplies, make sure you apply power
to all the supplies (or at least the minimum number of supplies required for your configuration) at the same time.
Otherwise, the device either will not boot at all, or will boot and then repeatedly display a warning message stating
that you need to add more power supplies.
Temperature Sensor
The Redundant Management modules for the HP 9304M and HP 9308M routing switches contain an on-board
temperature sensor. The software reads the sensor based on the chassis poll-time, a configurable parameter that
determines how often the software polls the chassis for hardware status information.
The software is configured with a warning temperature (default 45 degrees Celsius) and a shutdown temperature
(default 55 degrees Celsius). When the software reads the temperature sensor, if the temperature equals or
exceeds the warning or shutdown temperature, the software does the following:
Warning message – If the temperature of the module reaches the warning value, the software sends a Syslog
message to the Syslog buffer and also to the SyslogD server, if configured. In addition, the software sends
an SNMP trap to the SNMP trap receiver, if you have configured the device to use one.
Shutdown – If the temperature matches or exceeds the shutdown temperature, the software sends a Syslog
message to the Syslog buffer and also to the SyslogD server if configured. The software also sends an
SNMP trap to the SNMP trap receiver, if you have configured the device to use one.
If the temperature equals or exceeds the shutdown temperature for five consecutive polls of the temperature by
the software, the software shuts down the module to prevent damage.
For more information and configuration information, see "Temperature Sensor" on page 5-16.

Reset Button

The reset button allows you to restart the system. The reset button is recessed to prevent it from being pushed
accidentally.
For Chassis devices, the reset button is located to the right of the serial port on the management module as
labeled in Figure 8.17.
For Fixed-port devices, the reset button is located to the right of the serial port as labeled in Figure 8.18.
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