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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