Technical Specifications; Key To Symbols - Urmet 1722/58A Manual De Instalación

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4. Jumpers to defi 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
Two-household
system
12
ON
-
1 2 3 4
ON
If installed
in APT1
1 2 3 4
ON
If installed
in APT2
1 2 3 4
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)
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
24V (6 W, 24 V
power supply up to the specifi ed
power source requirements (LPS)
and protected against short circuits
and
overcurrents
EN
60950-1:2006+A11+A1+A12+A2
provisions.
Wires
with
cross-section
0.5 mm
or larger must comply with
2
IEC
60332-1-2;
section area smaller than 0.5 mm
must comply with IEC 60332-2-2.
3.

KEY TO SYMBOLS

Symbol
Direct input voltage
DANGER - Presence of
safety-critical components
See the installation manual of the
device
with internal antenna
Ref.
1083/24
via
) terminals, with
according
to
area
of
wires
with
cross
2
Description
DS1722-111
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