2.2 Installation of the Hybrid IP-PBX
50 Installation Manual
2.2.7 Installing/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 MPR card, the DC power supply must be turned off.
Installing Optional Service Cards
1. Insert the card along the guide rails.
Guide Rail