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Operational modes
Mode dual optical fibre connections
See Figure 2.
In this mode, two separate uni-directional optical fibre cables
are used, one for transmitting and one receiving. The two
optical fibre connectors work like a dual motorway, where one
connector transmits data to the RS485 port and the other
receives data from the RS485 port.
Mode single optical fibre connections
See Figure 3.
In this mode, two independent bi-directional optical fibre cables
are supported for use in a multi-drop formation. All data
received from optical fibrer port A is transmitted to both optical
fibre ports B and the local RS485 port. All data received from
the optical fibre port B is transmitted to both optical fibres port
A and the local RS485 port. In turn, all data received from the
local RS485 port is transmitted to both optical fibre ports.

Specifications

Operating temperature
Maximum relative humidity
Power supply
Current
Wavelength
Fibre size
Fibre connector type
Emitter type
Optical budget
Gain control
Rx sensitivity
Tx power:
Minimum
Typical
Maximum
Distance between two ATS1743
Number of units (cascading)
15 units in "Mode single optical fibre" and 14 units in "Mode dual
*
optical fibre" are tested and guaranteed. Cascading more units is
possible, but has not been tested.
Regulatory information
Manufacturer
UTC Fire & Security Americas Corporation, Inc.
3211 Progress Drive, Lincolnton, NC, 28092, USA
Authorized EU manufacturing representative:
UTC Fire & Security B.V.
Kelvinstraat 7, 6003 DH Weert, Netherlands
2 / 16
0 to +50°C
95% noncondencing
12 V
60 mA
820 nm
62.5/125µm multimode
ST
AlGaAs LED
15 dB typical
Fixed internally (non-adjustable)
−27 dBm typical
−21 to −15 dBm
−17 to −12 dBm
−14 to −10 dBm
To meet optical budget (15 dB)
15*
Product warnings
THESE PRODUCTS ARE INTENDED FOR SALE
and disclaimers
TO AND INSTALLATION BY QUALIFIED
PROFESSIONALS. UTC FIRE & SECURITY
CANNOT PROVIDE ANY ASSURANCE THAT
ANY PERSON OR ENTITY BUYING ITS
PRODUCTS, INCLUDING ANY "AUTHORIZED
DEALER" OR "AUTHORIZED RESELLER", IS
PROPERLY TRAINED OR EXPERIENCED TO
CORRECTLY INSTALL FIRE AND SECURITY
RELATED PRODUCTS.
For more information on warranty disclaimers and
product safety information, please check
https://firesecurityproducts.com/policy/product-
warning/
Certification
UTC Fire & Security hereby declares that this
device is in compliance with the applicable
requirements and provisions of the Directive
2014/30/EU and/or 2014/35/EU. For more
information see www.utcfireandsecurity.com or
www.interlogix.com.
2012/19/EU (WEEE directive): Products marked
with this symbol cannot be disposed of as
unsorted municipal waste in the European Union.
For proper recycling, return this product to your
local supplier upon the purchase of equivalent
new equipment, or dispose of it at designated
collection points. For more information see:
www.recyclethis.info
Contact information
www.utcfireandsecurity.com or www.interlogix.com
For customer support, see www.utcfssecurityproducts.eu
DA: Installationsvejledning
Beskrivelse
ATS1743 er en RS485 til multimode optisk fibre interface, for
direkte udvidelse af Advisor Master data bus med optiske fibre.
Montering af enheden
ATS1743 har et standard ATS "BB" printformat, der kan
monteres i et ATS kabinet.
Figur 1: Tilslutninger COMMS
Figur 2: Ved dobbelt optiske fibertilslutninger
Figur 3: Ved enkelte optiske fibertilslutninger
(1) Tilslutninger
(3) Enkelt optisk fiber
COMMS
(4) ATS 2000/3000/4000, Adgangskontrol
(2) Dobbelt optisk fiber
Tilslutninger COMMS
Se Figur 1.
+12 rød,
12 V DC / 0 V forsyning.
0V sort
Maksimalt 60 mA, når der overføres med høj effekt på
begge fibre samtidig.
P/N MAINST-ATS1743 (ML) • REV D • ISS 14JUN19
or scan the QR code.
eller Elevator-databus

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