Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Read the installation instructions before connecting the system to the power source. Statement 1004
To prevent bodily injury when mounting or servicing this unit in a rack, you must take special
precautions to ensure that the system remains stable. The following guidelines are provided to
ensure your safety:
This unit should be mounted at the bottom of the rack if it is the only unit in the rack.
When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the heaviest
component at the bottom of the rack.
If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in
Class 1 laser product. Statement 1008
This unit is intended for installation in restricted access areas. A restricted access area can be
accessed only through the use of a special tool, lock and key, or other means of security.
The plug-socket combination must be accessible at all times, because it serves as the main
disconnecting device. Statement 1019
This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the
absence of a suitably installed ground conductor. Contact the appropriate electrical inspection
authority or an electrician if you are uncertain that suitable grounding is available. Statement 1024
This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit. Statement 1028
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Catalyst 3750-E and Catalyst 3560-E Switch Hardware Installation Guide
Preparing for Installation