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3.2 Installation of the PBX
3.2.7Installing/Removing the Optional Service Cards
CAUTION
To protect the back board from static electricity, do not touch parts on the back board in the main unit and on the optional service cards. To discharge static electricity, touch ground or wear an earthing strap.
Note
The optional service cards can be installed or removed while the DC power is supplied. However, when installing or removing the IPCMPR card, the DC power supply must be turned off.
Installing Optional Service Cards
1.Insert the card along the guide rails.
Guide Rail
Installation Manual
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