Chapter 1
Connections and connectors
CONNECTION STANDARDS
The in- and output connections for AUDAC audio equipment are performed
corresponding to international wiring standards for professional audio equipment.
RS485 (RJ45)
Pin 1 White-Orange Not used
Pin 2 Orange Not used
Pin 3 White-Green +24V DC
Pin 4 Blue RS485 A
Pin 5 White-Blue RS485 B
Pin 6 Green GND
Pin 7 White-Brown Not used
Pin 8 Brown Not used
Ethernet (POE):
Used for connecting the AMP203 in your Ethernet network with PoE (power over Ethernet).
The AMP203 complies with the IEEE 802.3 bt standard, which can draw a power up to
100 Watt from the networking equipment.
The maximum output power is depending on the power delivered by the network infra-
structure. In case the network infrastructure is not capable of delivering sufficient power
to the amplifier, use a PoE injector, or apply an external 24 V DC power supply to the
AMP203.
While CAT5E network cable infrastructure is sufficient for handling the required band-
width, it is recommended to upgrade the network cabling to CAT6A or better cabling
to achieve the best possible thermal and power efficiency throughout the system when
drawing higher powers over PoE.
RS485 & TCP/IP
The AMP203’s RS485 and TCP/IP ports accept the same commands. The complete
command set is available in the AMP203MK2 commands user manual which is freely
available on www.audac.eu
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