102 UDACT Instruction Manual — P/N 50050:M 12/18/2009
NCA-2 (UL 9th) and NCA (UL 8th) Wiring
Below is a remote installation of a UDACT with an NCA-2 using power supplied by the control
panel:
Figure G.3 UDACT and NCA-2
Below is a remote installation of a UDACT with an NCA-2 using power supplied by an AMPS-
24/E:
Figure G.4 UDACT and NCA-2 powered by AMPS-24/E
+24 OUT
+24 IN
-
-
To Supervised
Phone Lines
Solid Earth
Ground
CAB-3/4 Series Cabinet
EIA-485 (ACS Mode)
TB7 on control panel
+24 VDC
non-resettable power
TB6 on control panel
res
n con
u
DO NOT USE
+24V
Gnd
RS+
RS-
Shield
RS+
RS-
ACS/Term
Term
CAB-3/4 Series Cabinet
To supervised
phone lines
Solid earth
ground
EIA-485 (ACS Mode)
TB7 on control panel
+24 VDC
non-resettable power
TB6 on AMPS-24
BB-100 or BB-200
Cabinet
Wires in conduit
DO NOT USE
+24V
Gnd
RS+
RS-
Shield
RS+
RS-
ACS/Term
Term