UDACT-2 — Instruction Manual
P/N 54089:B3 10/29/2019
39
NFS2-640 (UL 864 10th), NFS-320/SYS (UL 864 10th), NFS-640 (UL 8th)
Panel-Specific Information
Below is an internal installation of a UDACT-2 with an NFS2-640/NFS-320/NFS-320SYS:
Below is a remote installation of a UDACT-2 with an NFS-640:
To Phone Lines
(supervised)
Solid Earth Ground
Connection
ud
act2
-264
03
20
-sa
m
ec
ab
a.w
m
f
NFS2-640/NFS-320/NFS-
320SYS
Figure A.5 UDACT-2 and NFS2-640/NFS-320/NFS-320SYS in the Same Cabinet
To Phone Lines
(supervised)
Solid Earth Ground
Connection
NFS-640 in Separate
Cabinet
u
d
ac
t2-
64
0-
se
p
rt
cab
sa
.wm
f
+
-
UDACT-2
Wires in
conduit
Figure A.6 UDACT-2 and NFS-640 in Separate Cabinets