Installation manual
Bosch Security Systems | 2003-11
Eazeo DVR | Installation Manual | Chapter 2 EN | 9
2.3.6 Alarm connections
The ALM-IN and ALM-RST inputs can be set to
Normally Open (N.O.) or Normally Closed (N.C.) in
the Alarm record menu.
GND: Ground connection.
ALM-IN: Apply a signal* here to start alarm
recording.
ALM-RST: Apply a signal* here to stop alarm
recording.
REC: A high level external recording request
signal* applied to this pin starts
recording. When the signal drops to low,
recording stops.
NC1, NC2: No connections.
* Signal
- switching voltage High: > 2 Vdc
- switching voltage Low: < 0.5 Vdc
- max. input voltage: 12 Vdc
The alarm output signals are:
GND: Ground connection.
ALM-NC**: When an alarm occurs, the connection
between this pin and ALM-COM is
open. Otherwise it is closed.
ALM-NO**: When an alarm occurs, the connection
between this pin and ALM-COM is
closed. Otherwise it is open.
ALM-COM**: Alarm common contact.
VEXT: Synchronization signal for multiplexer.
Output voltage: 5 Vdc
Output current: 100mA
DISKFULL: Disk full alarm output signal.
Output voltage: 5 Vdc
Output current: 100mA
NC3, NC4: No connections.
* * contact voltage max: 24 Vdc
max. switching current: 2A dc
2.4 Remote control unit
The remote control unit is an accessory that makes it
easy to control the Eazeo DVR from a distance. You
can carry out the main operations using the remote
control unit.
The keypad functions for the Eazeo DVR are as follows:
RECORD: Press to start recording.
STOP: Press to stop recording or playback.
PLAY: Press to start playback.
SEARCH: Increase the speed by 2x, 4x, 8x, 16x,
32x, 640x, 2x . . .
REWIND: In playback mode, press to reverse
playback (Search key increases reverse
speed).
STEP REW.: Press to stop playback. Press again to
step backward image by image.
STEP FORW.:Press to stop playback. Press again to
step forward image by image.
FORWARD: In reverse playback, press for forward
playback (Search key increases forward
speed).
GND
ALM-NC
ALM-NO
ALM-CO
VEXT
DISKFULL
NC3
NC4
GND
GND
ALM-IN
ALM-RST
REC
NC1
NC2
GND
Alarm inputs
Alarm outputs
0
BOSCH
Eazeo DVR control keys
EazeoRecorderInstal.book Page 9 Wednesday, March 3, 2004 12:23 PM