4.3 Ethernet cable connection
The Ethernet cable shield must always be
earthed via the connector. Always use a
shielded RJ45 connector.
Use of Ethernet cables with the following
characteristics is highly recommended:
• STP (shielded)
• Category 5E
• RJ45 connector (crimped in compliance with
standard TIA/EIA-568-B)
The product can be directly connected to an Ethernet
switch.
ETHERNET CABLE CONNECTION
Pin number
Core colour
1
Orange-White
2
Orange
3
Green-White
4
Blue
5
Blue-White
6
Green
7
Brown-White
8
Brown
Tab. 4
The example below shows a typical installation.
Personal
Computer
Fig. 1
6
4.4 I/O cable connection
I/O CABLE CONNECTION
Colour
White
Yellow
Pink
Blue
Brown
Green
Grey
Tab. 5
4.4.1 Alarm and relay connections
The unit is equipped with the alarms and relays
indicated in the table (Tab. 5, page 6).
4.4.1.1 Connecting an alarm with dry contact
In case of free contact alarm make the connection as
shown in the figure.
Switch
Fig. 2
Clean contact of the alarm can be set NO (normally
open) or NC (normally closed) using the web
interface.
CAUTION! TNV-1 installation type. The
installation is type TNV-1, do not connect it
to SELV circuits.
The shielding of the I/O cable must be
grounded.
Function
RS-485 A (+)
RS-485 B (-)
Relay 1, Terminal A
Relay 1, Terminal B
Alarm/Digital input
GND/Common alarm
Reset
AL
COM
AL: Alarm. COM: Common alarm.
MNVCMVXHDBCAM_2222_EN
Dry contact