UDACT Instruction Manual — P/N 50050:M 12/18/2009 101
Wiring NCA-2 (UL 9th) and NCA (UL 8th)
Below is a remote installation of a UDACT with an NCA:
Figure G.1 UDACT and NCA in Separate Cabinets
Below is an internal installation of a UDACT with an NCA:
Figure G.2 UDACT and NCA in the Same Cabinet
EARTH
Comm FAILURE
+24V
+24V
GND
RS+
RS–
SHIELD
RS+
Rs–
ACS/TERM
TERM
To Phone Lines
(supervised)
Solid Earth
Ground
Connection
NCA
UDACT-13b.cdr
DO NOT USE
Ferrite Cores
ABS-8RB or UBS-1
EARTH
Comm FAILURE
+24V
+24V
GND
RS+
RS–
SHIELD
RS+
Rs–
ACS/TERM
TERM
DO NOT USE
To Phone Lines
(supervised)
Connect to
Chassis
UDACT-14b.cdr
NCA
Ferrite Core
To Next Page
Loading...
