2easy DT 2-wire, Technical Manual

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DT - System - Technical Guide 38
1. Call Forwarding:
Every call button on the Door Station has a button ID,which is associated with a Monitor ID(Monitor address or code).
When a call button is pressed on a Door Station:
• Door Station free: the Door Station will output the call forwarding tone (a long beep(Di~) in every 3 seconds)
and the nameplate light will blink. The Door Station will output an end of conversation tone at the end of the
communication.
• Door Station busy: the Door Station will output a warning tone (4 short beeps). Press the call button again when
busy mode ends.
2. Electronic Lock Management
There are two ways for the electronic lock management:
• Directly connect to the Door Station(connect to the GND and COM terminal), the Door Station supply power to
the lock. In this case, the lock must be rated less than 12Vdc, 300mA.
• Use separated power supply for the electronic lock, only use the relay contact to control the lock. In this case,
wide range of lock can be used in the system. All lock less then 48Vdc, 1.5A can be supported.
The lock will be controlled in two ways:
• When a door open command is received from the Monitor, the lock is activated.
• When the exit door open button is pressed, the lock is activated.
3. Camera Auto -Switching
When multi Door Stations are installed in the system, the Monitor can surveillance the outside via Door Station or
CCTV camera, and the video will automatically switch from the first Door Station to the last Door Station. Note that
the duration for each Door Station should be set by the DT CONFIG software to enable the Auto Switching function .
• The surveillance time can be set by the computer uing the DT CONFIG software.
• Maximum 6 cameras can be supported.
• A DCU part is needed to connect to the CCTV cameras.
Door Station Function