Technical data

• Ensure that airflow and temperature requirements are met on an ongoing basis.
• Verify that the additional weight of the Brocade 7840 does not exceed the rack’s weight limits or
unbalance the rack in any way.
DANGER
Make sure the rack housing the device is adequately secured to prevent it from becoming
unstable or falling over.
Installation Precautions
Review all installation precautions before installing the device.
General precautions
DANGER
The procedures in this manual are for qualified service personnel.
CAUTION
Changes or modifications made to this device that are not expressly approved by the party
responsible for compliance could void the user's authority to operate the equipment.
DANGER
All fiber-optic interfaces use Class 1 lasers.
Power Precautions
This Extension Switch might have more than one power cord. To reduce the risk of electric shock,
disconnect both power cords before servicing.
DANGER
Remove both power cords before servicing.
DANGER
Disconnect the power cord from all power sources to completely remove power from the
device.
CAUTION
Before plugging a cable into to any port, be sure to discharge the voltage stored on the cable
by touching the electrical contacts to ground surface.
Connect the power cord only to a grounded outlet.
DANGER
Make sure that the power source circuits are properly grounded, then use the power cord
supplied with the device to connect it to the power source.
Installation Precautions
20 Brocade 7840 Extension Switch Hardware Reference Manual
53-1003127-02