4EVAC IMPACT Podręcznik użytkownika - Strona 6

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4EVAC IMPACT Podręcznik użytkownika
Hacousto Holland bv
Industrieweg 87
2651BC Berkel & Rodenrijs
CONTROLLER user manual

4. Back panel

Analog audio

AMP LINK

inputs
Ethernet ports

Analog audio inputs

In the left section the Controller provides 2 independent analogue audio inputs dedicated for BGM
broadcast.
2 x mono, balanced, line level (0dbU / 0.775Vrms), 15kΩ input impedance.
Connect your auxiliary audio source for background music or low priority external paging microphone here.
AMP LINK
The AMP LINK (RED vertical cat5 cable) is the secured bus connecting the Impact
Controller to up to 16 x DCA2.500 amplifiers. Based on RS485, this internal system
bus provides:
-
2 balanced audio channels across the entire AMP LINK chain, monitored;
-
Control and diagnostics data interface.
In order to work properly, the AMP LINK must be set up in the configuration settings
("Amplifier" tab).
Amplifiers connected to the AMP-LINK are addressed and initiated by the Controller
at each system reboot.
NOTE: Reboot the system (Controller front panel RESET) after each modification
applied to any amplifier on the AMP-LINK, including:
-
replacing / adding / removing a DCA2.500 amplifier (along with new configuration settings);
-
changing DIP-switch settings on DCA2.500 back panel;
-
replacing the battery;
Local network
ports
Global network
Device ID
ports
Author:
CAL button
Reset
(not used)
button
USB
microSD
GPO
card
Page 6 of 14
DD
(parallel connectors)
EVAC inputs
Relay outputs
24V DC input