User`s guide

Safety Considerations Initial Safety Information for Return Loss Modules
6 Agilent 81610A/11A/12A/13A/14A Return Loss Module, Fifth Edition
Laser Safety Labels
Laser class 1 label
WARNING Please pay attention to the following laser safety warnings:
Under no circumstances look into the end of an optical cable
attached to the optical output when the device is operational. The
laser radiation can seriously damage your eyesight.
Do not enable the laser source when there is no fiber attached to the
optical output connector.
The laser is enabled by pressing the gray button close to the optical
output connector on the front panel of the module. The laser is on
when the green LED on the front panel of the instrument is lit.
The use of optical instruments with this product will increase eye
hazard.
The laser module has a built-in safety circuitry which will disable
the optical output in the case of a fault condition.
Refer servicing only to qualified and authorised personnel.
Figure 1 Class 1 Safety Label - Agilent 81610A/11A/12A/13A/14A