ATS1743 RS485 Databus to Optical Fibre Interface
Installation Sheet
EN DA DE ES
FI
FR
1
HIA
M
ODE
485 A B
EN: Installation Sheet
Description
ATS1743 is an RS485 to multimode optical fibre interface for
directly extending the Advisor Master data bus with optical
fibre.
Mounting the unit
ATS1743 has a standard ATS 'B' board footprint, mountable in
existing ATS metalwork.
Figure 1: COMMS connections
Figure 2: Mode dual optical fibre connections
Figure 3: Mode single optical fibre connections
(1) COMMS connection
(2) Dual Optical Fibre
© 2021 Carrier
IT
NL NO PL PT SV
HIB
(1)
(3) Single Optical Fibre
(4) ATS 2000/3000/4000 or Door
Controller RS485 databus
2
(4)
ATS1743
3
(4)
ATS1743
COMMS connections
See Figure 1.
+12 red,
12 VDC supply input.
0V black
60 mA maximum when transmitting at high power on both
fibres simultaneously.
D+ white,
Positive and negative data connection of the RS485
D− green
databus.
Units can be up to 1.5 km from the RAS, DGP or control
panel, depending on the cable used. Recommended
WCAT52/54; 2-pair twisted, shielded, data cable.
LEDs
RS485
Transmitting on RS485.
A
Transmitting on fibre optic channel A.
B
Transmitting on fibre optic channel B.
Links
HIB
This link enables high power transmission on fibre channel B.
HIA
This link enables high power transmission on fibre channel A.
Mode
Fitted: Uni.-directional HDX two fibres.
Not Fitted: bi-directional HDX single fibre.
TERM
See ATS control panel installation manual
This link connects the negative of the supply to the chassis
and earth lug. The link is not normally installed.
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