ubiquoss U9016B, Installation Manual

Page: 4 / 46

Preface
Introduction IV
PON
OLT
Description of Symbols
The installation guide uses the following icons and fonts to indicate special messages for the
reader.
Note Presents the useful contents related to the user guide, the references
and data related to the product use, etc.
Caution Describes the situation that data loss and incorrect product operation
can occur, and provides the proper actions to take in the situation.
Warning
Describes the situation that product damage and the user’s injury can
occur, and provides the proper actions to take in the situation.
Warning Warning: Optical Terminal
Do not look at the optical terminal directly. It could cause serious
damage to your eyes.
Warning Do not disassemble or assemble the product.
The user must not remove/attach the product cover or
disassemble/assemble the product when the power is on. Otherwise, it
can cause personal injury or property loss.