Panasonic VL-VN1700 Installation Manual page 22

2.1.2 System configuration
N
1 2
R1 R2 R3
Up to a combined total of 8 lobby station and door station cameras can be registered to a room monitor for easy camera
*1
monitoring.
If room monitors and door stations are not powered by Power over Ethernet (PoE), a power supply unit is required.
*2
Up to 256 rooms can have multiple room monitors. All other rooms can have only one room monitor. For more information, refer
*3
to the documentation of the control box (PC Programming Manual).
Up to 18 SIP phones can be registered to a room monitor for easy calling.
*4
If PoE-compatible switching hubs are used, they can supply power to room monitors and door stations.
*5
Up to 32 network cameras can be registered to a room monitor for easy camera monitoring.
*6
A relay box is used to connect an electric lock to a door station.
*7
22 Installation Manual
Item
Relay box
Maximum number of devices
1 per door station
*7