Karel IPV20, Техническое справочное и монтажное руководство, Страница: 5 / 26

IPV20 TECHNICAL REFERENCE & INSTALLATION GUIDE
VII
CAUTION
SINCE IPV20 SERIES IP TELEPHONE EXCHANGES ARE ELECTRONIC-BASED
PRODUCTS, THE REQUIREMENTS BELOW SHOULD BE FULFILLED IN ORDER
TO UTILIZE IT WITH DESIRED PERFORMANCE:
The system covers must not be opened by unauthorized
persons in any way.
The cover of the exchange cabinet should always be kept
closed.
All the ground connections on the covers must be fixed
and checked before closing all the covers of the system.
Precautions must be taken in order to prevent any harmful
substances from leaking or spilling into the exchange in
any way.
Serious hazards may occur unless the conditions above are matched completely!
FOR PROPER OPERATION OF SYSTEM