Video Cable Connection; Serial Line Connection - Videotec NTC Manuel D'instructions

Connect the power supply cables as described in the
table below.
CONNECTION OF THE POWER SUPPLY LINE
Cable color
Power supply 24Vac
Defined by the installer
Defined by the installer
Yellow/Green
Tab. 1

6.3 Video cable connection

CDS installation type (Cable Distribution
System). The installation is type TNV-1, do
not connect it to SELV circuits.
Connect the video cable (RG-59) fitted with a BNC
connector to the board.
Fig. 6

6.3.1 Serial line connection

CAUTION! TNV-1 installation type. The
installation is type TNV-1, do not connect it
to SELV circuits.
CAUTION! In order to reduce the risk of fire,
only use cables with sections greater than
or equal to 0.14mm² (26AWG).
MNVCNTC_1637_EN
Terminals
~/24Vac
~/24Vac
GND/Earth
The product has a RS-422 serial communication line.
Fig. 7
Perform the connections following the instructions
reported in the table .
RS-422 LINE
Terminals
SGND
A1
B1
SGND
A2
B2
Tab. 2
J2
Description
GND RX signal
RX+
RX-
GND TX signal
TX+
TX-
9