1.2 Basic System Construction
18 Installation Manual
1.2 Basic System Construction
1.2.1 Main Unit
The main unit is equipped with 4 Super Hybrid Ports, one BRI2 card, and one EXT-CID card. For system
expansion, optional service cards can be installed.
Construction of Main Unit
EXT-CID card
(installed by default)
BRI2 card
(installed by default)
Main Board
Front Cover Cable Cover