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3.
Review the device system log for errors. Any errors detected during POST are written to the system log, accessible through the
show logging raslog command.
For information about all referenced commands, and on accessing the error log, refer to the Extreme Network OS Command
Reference. For information about error messages, refer to the Extreme Network OS Message Reference.
Powering off the device
To power off the VDX 6740, set the on/off switch to the "off" position on both power supplies.
To power off the per power supply VDX 6740T, you must unplug both power supplies.
Thermal operations
Thermal sensors located in the device sense temperature levels during operation to drive fan speed. In cases of extreme temperature, a
RASlog message is generated warning of automatic system shutdown in two minutes, at which time the system shuts down. When the
system shuts down, fans continue to run at high speed.
Device maintenance
These devices are designed for high availability and low failure; not require any regular physical maintenance. The SFP+ optical
transceivers and diagnostic tests are described in the following sections.
Installing an Ethernet SFP+ transceiver
Only the VDX 6740 supports 10 GbE SFP+ transceivers. Complete the following steps to install an SFP+ transceiver.
1.
Remove any protector plugs from the transceivers and the ports.
2.
Making sure that the bail (wire handle) is in the unlocked position, place the SFP+ transceiver in the correctly oriented position on
the port, as shown in the following figure.
3.
Slide the SFP+ transceiver into the port until you feel it click into place; then close the bail.
ExtremeSwitching VDX 6740 Hardware Installation Guide
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Device maintenance
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