2N 914421B, Руководство по установке

Страница: 16 / 37

16
2.3 Electric Installation
Electric Installation Step by Step
It is very easy to connect electrically. Follow the 2N SIP Speaker, Wall Mounted
®
steps below to avoid equipment damage or electrical injury:
Connect the aditional speaker
Connect the UTP cable.
Connect a 12V power supply (unless PoE is used).
Loudspeaker Connection
2N SIP Speaker, Wall Mounted
®
is equipped with a power amplifier for 1 or 2
loudspeakers. The loudspeakers to be used must have the nominal impedance of 4–8 Ω
each. Refer to the table below for possible configurations and related maximum power
outputs (sinus, THD < 1 %):
Loudspeaker(s) 12 V / 2 A PoE
Two 4 Ω 2× 10 W 2× 5 W
Two 8 Ω 2× 9 W 2× 5 W
One 4 Ω 1× 18 W 1× 10 W
One 8 Ω 1× 12 W 1× 10 W
Caution
Be sure to connect the power supply 2N SIP
®
Speaker, Wall Mounted
as the last step. The same applies to PoE supply from the LAN.
Caution
Use an external power supply to maximise the power output. Make sure
that the maximum Master volume value is +6 dB in the Hardware / Audio
menu if you use PoE and 4Ω speaker.