12
DS1722-111
4.
Jumpers to de
fi
ne the type of power supply
to the device.
Power from Bus line
(DEFAULT)
Power from local external power
supply
5.
+/- 24V terminals
: external local power supply
terminals.
In one-household systems with
only one video door phone, the Call
Forwarding Device can be powered
directly off the bus line. In two-
household systems ref. 1722/86 it
is necessary to use an adapter ref.
1083/24.
6.
Jumper Z
: line termination setting.
Line termination must be activated on a
device connected at the end of a line without
a new section restarting from the LINE OUT
terminals.
Termination on
(DEFAULT)
Termination off
7.
LINE IN, LINE OUT terminals
: connection to
the system BUS.
8.
Dip switch CODE:
N. 1, 2 and 4: not used;
N. 3: see table.
One-household
system
1 2 3 4
ON
-
Two-household
system
1 2 3 4
ON
If installed
in APT1
1 2 3 4
ON
If installed
in APT2
•
•
2.
TECHNICAL
SPECIFICATIONS
Input voltage from BUS line: ...................
34.5 V
External input voltage: ..............................
24 V
Maximum absorption: ..............................
200 mA
Absorbed power in operation: ................
max 6 W
Operating temperature: ........................
-5 ÷ +45° C
Max humidity: ............................................
95% RH
Ethernet interface: .............................
10/100 Mbps
Wi-Fi: .........................................................
2.4GHz
(conforms to IEEE 802.11 b/g/n)
with internal antenna
Dimensions (LxHxD):
140 (~8 DIN modules) x 90 x 60 mm.
The product is designed to be
powered off a BUS line or external
power supply Ref. 1083/24 via
24V (6 W, 24 V
) terminals, with
power supply up to the speci
fi
ed
power source requirements (LPS)
and protected against short circuits
and overcurrents according to
EN
60950-1:2006+A11+A1+A12+A2
provisions.
Wires with cross-section area of
0.5 mm
2
or larger must comply with
IEC 60332-1-2; wires with cross
section area smaller than 0.5 mm
2
must comply with IEC 60332-2-2.
3. KEY TO SYMBOLS
Symbol Description
Direct input voltage
DANGER - Presence of
safety-critical components
See the installation manual of the
device
