Digital Acoustics IP7-SS20 Manual de referencia - Página 10
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Imprimir página Plug a Cat5 cable into the RJ-45 connector labeled Ethernet
10/100 and connect the other end to a 10/100 switch.
The Ethernet 10/100 connector supports auto "MDIX" and can
be plugged directly into a PC for diagnostic purposes.
Connecting Power
The IP7-SS20 auto senses the power source and voltage.
External Power
The 2.1mm Power Jack (center tip positive) accepts 24-32
VAC/VDC
The J1-1(+) and J1-2(-) connector accepts 24-32 VAC/VDC
DO NOT supply power to both the 2.1mm Power Jack and the
J1-1 and J1-2
USB Power
The USB connector can be used to power up the unit for diagnostics or
low level firmware flashing. Plug a USB cable from a PC into the USB-B
connector. The unit will power up, but will not be able to be used for
audio operations.
Connecting a Speaker / Transformer
SPKR 8Ω+ and SPKR 8Ω-
The Speaker connectors are designed to drive an 8 Ohm load.
Connect J2-6 and J2-7 to the speaker, transformer or amplifier
(polarity independent)
If the IP7-SS20 is connected to an amplifier, set the volume
level on IP7-SS20 to 4 or less
Speaker Configurations
The IP7-SS20 is designed to drive speakers attached to a 25/70V
distribution line (requires optional 25/70V Transformer) or an 8 Ohm.
One or more speakers can be driven by a single IP7-SS20. If more
that one speaker is connected to an IP7-SS20, all speakers will sound
when audio is sent to that SS20.
25/70V Speaker(s) with optional 25/70V transformer
The SS20 can drive one or more 25/70V Speakers or Horns when
equipped with an optional 25/70V transformer. This is the
recommended installation method when driving multiple speakers.
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