110 UDACT Instruction Manual — P/N 50050:M 12/18/2009
NFS2-3030 (UL 9th) and NFS-3030 (UL 8th) Mounting
2. Conduit is recommended for external wire runs. Consult local building codes.
3. Refer to "Specifications" on page 13 for power requirements.
Below is a remote installation of a UDACT with an NFS-3030 using power supplied by the control
panel:
Figure I.1 UDACT and NFS-3030
Below is a remote installation of a UDACT with an NFS2-3030 using power supplied by the
control panel:
Figure I.2 UDACT and NFS2-3030
UDACT-15.cdr
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 control panel
Wires in conduit
DO NOT USE
+24V
Gnd
RS+
RS-
Shield
RS+
RS-
ACS/Term
Term
+24 OUT
+24 IN
-
-
CAB-3/4 Series Cabinet
+24 VDC
non-resettable power
TB6 on control panel
Wires in conduit
To supervised
phone lines
Solid earth
ground
EIA-485 (ACS Mode)
TB7 on control panel
DO NOT USE
+24V
Gnd
RS+
RS-
Shield
RS+
RS-
ACS/Term
Term
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