Rear Panel; Power; Rs232 Serial Connector; Ir Remote Control Eye Connector - Bosch DVR1A1081 Installationshandbuch

DVR1A1081 | Installation Manual | Chapter 2

2.3 Rear panel

2.3.1 Power

Connect the power suppy cable to the power socket at
the rear of the unit. Use the power switch to switch the
unit ON or OFF.

2.3.2 RS232 serial connector

Connect D-Sub 9-pin connector to the RS232 port if
you want to control the unit remotely.

2.3.3 IR remote control eye connector

If the remote control IR receiver window at the front is
hidden from view (if the unit is mounted in a cupboard),
connect the optionally available extension IR cable to
the remote control connector. Position the receiver eye
so that it is in line-of-sight of the remote control unit.

2.3.4 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.
Power switch
AC 100-240
100-240 Vac
Bosch Security Systems | 2004-11
Power
Mux main
Monitor In
Off
Monitor Out
* Signal
- switching voltage High: > 2 Vdc
- switching voltage Low: < 0.5 Vdc
- max. input voltage: 12 Vdc
Alarm inputs
The alarm output signals are:
GND:
ALM-NC**:
ALM-NO**:
ALM-COM**: Alarm common contact.
VEXT:
DISKFULL:
NC3, NC4:
* * contact voltage max: 24 Vdc
max. switching current: 2A dc
RS-232
connector
Video
RS 232
In
Looping out
Out 1 Out 2
Alarm connector
Alarm outputs
Ground connection.
When an alarm occurs, the connection
between this pin and ALM-COM is
open. Otherwise it is closed.
When an alarm occurs, the connection
between this pin and ALM-COM is
closed. Otherwise it is open.
Synchronization signal for multiplexer.
Output voltage: 5 Vdc
Output current: 100mA
Disk full alarm output signal.
Output voltage: 5 Vdc
Output current: 100mA
No connections.
IR remote
control eye
connector
Remote Control
GND VEXT
EN | 8