Specifications
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. 
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 equipment, 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! 
In some cases, the users may insert their own SFP laser transceivers into the product. Users are 
alerted that RAD cannot be held responsible for any damage that may result if non-compliant 
transceivers are used. In particular, users are warned to use only agency approved products that 
comply with the local laser safety regulations for Class 1 laser products. 
Always observe standard safety precautions during installation, operation and maintenance of 
this product. Only qualified and authorized service personnel should carry out adjustment, 
maintenance or repairs to this product. No installation, adjustment, maintenance or repairs 
should be performed by either the operator or the user. 
Warning 
Warning 










