Videotec ULISSE MAXI - Manual (Page 21)

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nstruc
tions manual
19
h Earth cable should be about 10mm longer
than the other two, so that it will not be
disconnected accidentally if the cable is
stretched or pulled.
a
Power
Fig. 32
h The power supply cable should also be
covered by the silicone sheath (01) supplied
for this purpose, and fastened with the
corresponding tie (02). Furthermore, all
signal cables must be grouped together by
means of a strap (03).
03
01
02
Fig. 33
Cut the cables to the correct length and make the
connections. Connect the power supply to the J1
terminal.
L
N
a
Power
Fig. 34
7.2.3 Connection of the connector
board
The following is a description of the connector board
located inside the P&T base.
RS232
Power
Signal
Fig. 31
7.2.3.1 Connection of the power supply
The device is available in versions for different power
supply voltages: the value for the particular device
is shown on its identification label ("4.2 Product
markings", page 9).
g Always make the base connections with the
power supply disconnected and the circuit-
breaker open.
h When commencing installation make sure
that the specifications for the power supply
for the installation correspond with those
required by the device.
h Make sure that the power source and
connecting cables are suitable for the
power consumption of the system.
h The building must be equipped with a
20A maximum bipolar protection circuit
(magneto thermal), that must include a
bipolar automatic-type circuit breaker,
which must also envisage earth fault
current protection (magneto-thermal +
differential) with minimum distance of
3mm between contacts.