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UDACT-2 — Instruction Manual
P/N 54089:B3 10/29/2019
Panel-Specific Information
NCA-2 (UL 864 10th), NCA (UL 8th)
Below is an internal installation of a UDACT-2 with an NCA:
Below is a remote installationof a UDACT-2 with an NCA-2 using power supplied by the control panel:
To Phone Lines
(supervised)
Connect to
Chassis
ud
ac
t2
-nc
a
-s
a
m
e
cab
a.
wm
f
NCA
Figure A.9 UDACT-2 and NCA in the Same Cabinet
ud
ac
t2
-nc
a
-s
a
m
e
cab
a.
wm
f
To Supervised
Phone Lines
Solid Earth Ground
CAB-3/4 Series Cabinet
TB7: EIA-485
(ACS Mode)
TB6: +24 VDC
non-resettable power
Wires in
conduit
ud
ac
t2
-n
ca
2
-s
e
prt
c
a
bs
a
.w
m
f
Remote Cabinet
NCA
Figure A.10 UDACT-2 and NCA-2 in Separate Cabinets
