3
Power Supply Failures for Performance Series (2470) and C5000
Systems
Another cause of the 9 VAC Power Supply failing on the Performance Series model 2470 and the C5000
systems is incorrect RS-485 cable wiring. Pins 1,2,3,4 from J3 on the Controller must be routed to Pins
1,2,3,4 on the 4-pin connector on the Selector. PROPER POLARITY MUST BE MAINTAINED. The
power supply, Controller and Selector may fail if polarity is not correct. See drawing below.
MUSIC IN
.775 VRMS
1 J1
VOICE
.775 VRMS
1 J2
RS-485
1 J3
DAY/NIGHT
1 J4
9V AC
J5
OFF ON
111
1
Communications Controller
Performance Series or C5000
Station Selector
Make sure the RS-485 cable
is connected from Pin 1 of J3
to Pin 1 of the Selector
To Next Page
Loading...
