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Wiring
NOTE: The shield end that is not connected should be insulated to prevent accidental grounding.
Do not connect both ends of shield under any circumstance since a ground fault may result.
3.
Conduit is recommended for external wire runs. Consult local building codes.
4.
Refer to "Specifications" on page 13 for power requirements.
Below is a remote installation of a UDACT with an AFP-300/AFP-400:
CPU-300/-400
MPS-400
CAB-400AA Cabinet
UDACT Instruction Manual — P/N 50050:M 12/18/2009
Ferrite Cores
ABS-8RB or UBS-1
ACS/TERM
TERM
DO NOT USE
Figure E.1 UDACT and AFP-300/AFP-400 in CAB-400AA
AFP-300 & AFP-400 (UL 8th)
To Phone Lines
(supervised)
+24V
GND
RS+
RS–
SHIELD
RS+
Rs–
Solid Earth
Ground
Connection
EARTH
Comm FAILURE
+24V
81
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