Dahua Technology DHI-VTO4202F-P-S2 2MP IP Outdoor Video Intercom - Manual (Page 16)

5
Five-button Call Panel
Ref Name Description
1 User directory Add a physical name cards to the slots.
2 Call buttons
Call a VTH Monitor or the management center.
Requires programming in the VTO interface.
Rear Panel
Ref Description
1 Cascade input
2 Cascade output