Lencore Spectra i.Net: Installation and Operations Manual - Manual (Page 10)

section 2
.05-Power Supply The Lencore System uses a 36 or 48 Volt DC
power supply unit to power the i.Net OP. The power supply is
connected to the sound source (OP) using 2 conductor, plenum rated
16 gauge wire.
.06-OP The heart of the Spectra® i.Net® is the OP (Operating
Platform), the primary sound source that produces, equalizes and
distributes the sound for masking, music and paging.
2.1 | system components
.04-SmartSwitch The Lencore SmartSwitch provides total data
and audio redundancy to any i.Net system. It reports and
monitors the integrity of the data and audio lines.
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.07-IR HUB Each OP (sound source) of the Spectra i.Net® System has
an integrated IR Port. This port can be connected to the IR Hub and IR
Keypad to provide up to four individual audio channel controls per OP.
Using an IR Hub channel, one can make volume and contour control
adjustments for masking, paging and music, by pointing a remote
control at the IR Keypad.
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