
Installation
Install key panels
1Remove the small plastic plate, marked DSS, i.e. with a screwdriver and connect the cable.
2Attach key panel unit.
3Secure with screws and install stand.
Note: All key panels must be of type DBY 419 01 (three or four key panels can only be used in newer versions of the exchange).
124 | BusinessPhone – Dialog 4223 Professional / Dialog 3213 |