Page 11 - ABB_Welcome-Example-systems

Front

1. LED is blinking slowly, indicating a connected call. LED is
blinking fast, indicating that the system is busy.

2. LED is lit, indicating a potential connection.
3. LED is on, indicating that the door lock has been released.
4. Dial button

M251021P3 and M251021P4
3/6 and 4/8 button module

1

1. Connector for the previous module
2. Connector for the next module

2

Example systems | The ABB-Welcome door entry system 11