11
D. Attaching an External Device to DVR
Connect an alarm out, alarm input, and a peripheral device as shown in the diagram below.

2.2 Hard-disk Drive Installation

The DVR is equipped with two compartments
of hard disk drive (for removable model
only), The unit usually comes with one
hard-disk drive installed in the compartment
HD1, which is default- configured as a master.
If you need a second hard-disk drive to be
installed in the compartment HD2 (Mobile),
please contact your distributors or installers
for specific instructions on how to install it.
Please don’t serve yourself before consulting
your installers. If there is only one hard-disk
drive in the mobile compartment, please set
the HD2 USAGE option to REC (please refer
to section 4.5) before proceeding with the
recording function. The jumper-settings
arrangement of installed hard-disk drives for
the system (Table 3.2 A.) is shown in the
tables below.
Note: The CD-RW model is equipped with a
fixed hard- disk and a CD-RW drive. The unit
usually comes with one hard-disk drive
installed in the compartment HD1, which is
default-configured as a master.

Table 3.2 A. The jumper settings of hard-disk drives in the system

Location Jumper
IDE 1 Compartment HD 1 Master (Default)
IDE 2 Compartment HD 2 Master
INSTALLATION ( continued )
RS-232
ALARM DC12V
AUDIO
IN
IN
OUT
OUT
VIDEO
TO
MONITOR
TO
MUX'S VCR IN
FROM MUX
MAIN MONITOR
I/O
12345
6789
Alarm Reset
(Normally Open)
(Normally Open)
Alarm in
Ground
RS-485
ETHERNET
10/100
Lamp