Five-button module (front panel)
Table 2-6 Button module (front panel) description
No.
Name
Description
1
User directory
Display user information according to buttons.
2
Call button
Call the VTH and call the management center (you
need to do seetings on the web first).
Five-button module (rear panel)
Table 2-7 Button module (rear panel) description
No.
Name
Description
1
Cascade input port
Connected to other modules.
2
Cascade output port