Installing/Removing the Optional Service Cards
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 a grounding
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
Insert the card along the guide rails.
3.2 Installation of the PBX