Vaddio EasyTalk Solutions Manual - Manual (Page 7)

EasyTalk USB Tools
Vaddio EasyTalk USB Solution - Document Number 342-0449 Rev B Page 7 of 48
Equipment Descriptions and Call-outs
Diagram: EasyUSB Mixer/Amp
The EasyUSB Mixer/Amp is the master audio device within an EasyTalk USB solution providing the only method
to interface to PC or external A/V equipment. Every EasyMic USB solution MUST have an EasyUSB Mixer/Amp.
EasyUSB Mixer/Amp Front Panel:
1) EasyMic Port LED: Blue indicates that EasyMic is connected and operational. Flashing blue indicates a
communications error and unlit means not connected.
2) Mute LED: Red indicates that all EasyMics are in mute state. Unlit shows microphone is in unmute state.
3) Power LED: Blue indicates system is powered and operational. Flashing blue indicates a system error.
EasyUSB Mixer/Amp Rear Panel Connections (Enlarged for easy call-outs):
1) Power Connector: 5.5mm OD x 2.5mm ID positive center coaxial connector for 18 VDC, 2.75 Amp power
supply. The supply also provides power to the EasyMic MicPODs and the EasyMic Ceiling MicPODs.
2) Settings: 8-position dip switches for configuration of advanced operational modes and audio processing
3) USB: USB Type B-Female connector for interface with Host PC. This connector allows for Streaming audio,
to and from, the EasyUSB Mixer/Amp. It emulates a standard USB Audio Class (UAC) device and eliminates
need for customer drivers.
4) RS-232: RJ-45 connector with RS-232 functionality (see appendix for pin-out) .Control port for use with
Vaddio WEBBi or third party control systems (AMX and Crestron). This port supports Vaddio ASCII command
protocol. It also includes an operational mode for direct connection to Vaddio PTZ cameras for preset execution
with One-Touch camera preset button.
5) Speakers: Two amplifier output ports with 2-pos phoenix-type terminals. Each port supports 20W into an 8
ohm loudspeaker load. Class-D amplifier is capable of supporting loads down to 4 ohms. Both Amplifier outputs
have the same audio signal (Mono).
6) Line Input & Output: Unbalanced RCA line level input and output port for connection to external A/V devices
such as video conferencing codec, external amplifier, or recorder. It supports a nominal level of -10dBU.
7) EasyMic Ports: Two proprietary RJ-45 ports for connecting EasyMic (MicPOD for the table or Ceiling MicPOD
Array) to the EasyUSB Mixer/Amp. Connection provides power, control, and audio to the EasyMic device over
standard CAT-5 cable for up to 100 feet. Echo Cancellers are in the microphones, one per mic element.
Mixer/Amp
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