Allied Telesis AT-DC2552XS, Installation Manual, Page: 47 / 96

AT-DC2552XS / L3 Enterprise Core Switch Installation Guide
47
Reviewing Safety Precautions
Please review the following safety precautions before you begin to install
the switch.
Note
The

indicates that a translation of the safety statement is
available in a PDF document titled “ Translated Safety
Statements ”.
Warning
Class 1 Laser product.

L1
Warning
Do not stare into the laser beam.

L2
Warning
Do not look directly at the fiber optic cable ends or inspect the cable
ends with an optical lens.

L6
Warning
To prevent electric shock, do not remove the cover. No user-
serviceable parts inside. This unit contains hazardous voltages and
should only be opened by a trained and qualified technician. To
avoid the possibility of electric shock, disconnect electric power to
the product before connecting or disconnecting the LAN cables.

E1
Warning
Do not work on equipment or cables during periods of lightning
activity.

E2