Topcom BUTLER 4552 - Manual (Page 8)

8 Topcom Butler 4552/Twin/Triple/Quattro
Topcom Butler 4552/Twin/Triple/Quattro
1.3.1 Standby display
In standby mode, the display shows the time and the handset number:
12-05 HS1
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 4552
Telephone cord
Power cable
TEL