DS1039-035A 18 LBT8599
4.3
4.34.3
4.3 S
SS
S
WITCHBOARD IN
WITCHBOARD IN WITCHBOARD IN
WITCHBOARD IN
D
DD
D
AY
AY AY
AY
M
MM
M
ODE
ODE ODE
ODE
This mode is indicated by in “switchboard status” area.
In this mode the switchboard performs the concierge service and intercepts calls coming from
apartment stations and addressed to the users of the competence area.
The switchboard can call any apartment station and user calls are normally received.
Figure 17: Call scheme with switchboard in day mode