Lencore Spectra Classic: Installation and Operations Manual - Manual (Page 12)

APFR-20 AMPLIFIER EXAMPLE...
MUSIC, TAPE, CD INPUT CONNECTIONS
1Ok-ohm, balanced.
Use two conductor shielded cable.
Hi from player connect to H terminal HOT. Lo from player connect to C terminal COM.
GND shield connect to terminal G.
RCA phone plug, 10K-ohm unbalanced. Use two single conductor shielded cables.
Connect left channel to top AUX phone plug and right channel to bottom AUX phone plug.
See APFR-20 instruction manual for muting options.
With the various paging amplifiers and input/output modules, one can design zone
paging, all call paging with mutable background music. For maximum versatility, zone
and all call paging should be provided through the telephone interface module and
should be done by the customer ‘s telephone system installer. Lencore does not
provide this service.
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