VISORNET - Installation
I-2
Doc. DM245-I
Rev. 7.0
On S Lan Wan Alarm 1 2 3 4
Cameras
Off
Auto
Night
Day
VisorNet
Cam1
Cam2
Cam3
Cam4
PTN / ISDN / ...
Internet user #1
Internet user #2
Surveillance Central
Alarm
Figure 1.1. Typical VisorNet 4c work scenario
The main device characteristics are as follows:
The device is equipped with four multi-standard video inputs, PAL or NTSC
(cameras connected to the VisorNet 4c must be of one type only, i.e. all PAL or
all NTSC), with automatic standard detection.
Digital video transmission in JPEG ISO 1092-2 format of up to 4 video signals.
Digital video transmission in ITU H. 263 format from one of the video signals
(optional). Video digital transmission in MPEG4 SP format (ISO/IEC 14496-2)
for some video signals (optional).
The device has six inputs that can be accessed through a plugable lead with
screwed down contacts and can be independently configured as “Normally
open”, “Normally closed”, supervised or not and with “Tension source” or
“Power source”.
There are two output relays available, accessible through a plugable lead with
screwed down contacts.
Two complete programmings up to 8 input and output zones with the possibility
to associate these with the activation of each zone:
The sending of an alarm to the surveillance center together with a
sequence of recorded images from a camera.
