Wiring
76
UDACT Instruction Manual PN 50050:H 09/16/2002
Below is a remote installation of a UDACT with a System 500:
Figure 18 UDACT and System 500
EARTH
Comm FAILURE
+24V
+24V
GND
RS+
RS–
SHIELD
RS+
Rs–
ACS/TERM
TERM
COMMON
24V POWER
+24V RESET
BATT+
BATT –
Solid Earth
Ground
Connection
To Phone Lines
(supervised)
U
D
A
C
T
-10
.cdr
System 500 CPU
System 500 Cabinet
ABS-8R or UBS-1
MPS-24BPCA
DO NOT USE
Ferrite Cores
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