Raisecom Technology Co., Ltd
3
1. General Safety Instructions
The following instructions serve as a general guide for the safe installation and
operation of telecommunications products. Additional instructions, if applicable, are
included inside the manual.
1.1. Safety
Symbols
This symbol may appear on the equipment or in the text. It indicates
potential safety hazards regarding product operation or maintenance to
operator or service personnel.
Danger of electric shock! Avoid any contact with the marked surface while
the product is energized or connected to outdoor telecommunication lines.
Protective earth: the marked lug or terminal should be connected to the
building protective earth bus.
Some products may be equipped with a laser diode. In such cases, a
label with the laser class and other warnings as applicable will be
attached near the optical transmitter. The laser warning symbol may
be also attached.
Please observe the following precautions:
• Before turning on the chassis with optic module, make sure that the fiber
optic cable is intact and is connected to the transmitter.
• Do not attempt to adjust the laser drive current.
• Do not use broken or unterminated fiber-optic cables/connectors or
look straight at the laser beam.
• The use of optical devices with the equipment will increase eye
hazard.
• Use of controls, adjustments or performing procedures other than
those specified herein, may result in hazardous radiation exposure.
ATTENTION:
The laser beam may be invisible!
Always observe standard safety precautions during installation, operation and
maintenance of this product. Only qualified and authorized service personnel should carry
