Operation Manual

4 BlueFRITZ! AP-ISDN – Safety Instructions
Safety Instructions
Do not open the housing of BlueFRITZ! AP-ISDN. The
device contains hazardous components and should
only be opened by authorized repair technicians.
Never let liquids get inside the BlueFRITZ! AP-ISDN.
Otherwise, electric shocks or short circuits may result.
Do not install BlueFRITZ! AP-ISDN during an electrical
storm or connect or disconnect any cables during an
electrical storm.
BlueFRITZ! AP-ISDN is intended for indoor use only.
Symbols
The following graphic symbols used in the manual always
appear in connection with text printed in gray italics:
FRITZ! marks useful hints to assist you in working with the
product.
The hand indicates important instructions that must be
observed to avoid malfunctions.