
ISDN Installation
134 Installation Manual
3.2.2 Installation the Unit
Step 6 is different for each unit.
The KX-TD1232 is illustrated as the main unit.
Attention
To install an ISDN Line Unit, install the PLL (Phase Locked Loops) Card (KX-TD112) first.
1. Power off the system, and unplug the AC cord.
2. Loosen the screws to open the front cover and the inside cover of the main unit.
Note
If any card, unit, or cords are installed to the main unit, remove them beforehand.
3. Insert the PLL Card to the connectors on the CPU Board.
Note
Make sure the card connectors are attached securely to the board, or the system may not
operate properly.
4. Place the inside cover back on the main unit and secure the screws, and then close the front
cover and secure the screws.
5. Follow the steps on the next page.
PLL Card
CPU Board
Inside cover