Telephone Installation - Topcom BUTLER 4450 Gebrauchsanweisung

Topcom Butler 4450/Twin/Triple/Quattro
1.3.1 Standby display
In standby mode, the display shows the time and the handset number:
12-05 1
1.4 Handset indicator (LED)
The handset LED has following function:
• ON when the external line is busy
• OFF when all handset are in stanby mode
• Flashes on all handset when there is an incoming call
2

Telephone installation

2.1 Connections
Back view of base Butler 4450
6
Telephone cord
Power cable
Topcom Butler 4450/Twin/Triple/Quattro
TEL