Dahua VTH Series

8
3 Wiring
At most 2 VTOs and 3 VTHs can be wired in one communication system.
Preparations
3.1.1 Port Connection Rules
Port connection rules
 Port A of an VTH can be connected to Port C of another VTH to do data communication.
 Port B of an VTH can be connected to Port D of another VTH to do data communication.
 Port A of an VTH cannot be connected to Port B or D of another VTH to do data communication.
 Port C of an VTH cannot be connected to Port B or D of another VTH to do data communication.
3.1.2 Cord Specification