
CTRL IN
GND
Idle state
CTRL IN
GND
Playback
2.Record: The input switches to Record (or Record Standby) as long the contact is closed.
CTRL IN
GND
Idle state
CTRL IN
GND
Record / Record Standby
3.Armed / Disarmed: If the contact is closed, the DVR will switch off alarm (alarm contact and motion alarm) operation. System alarm events are always active.
CTRL IN
GND
DVR armed
CTRL IN
GND
DVR disarmed
2.3.3Alarm Output Relay
The relay outputs provide either Normally Open or Normally Closed dry contacts.
Output relay in idle state
2.4 RS-485 keyboard / PTZ Installation
All functions can be
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