2N NetSpeaker Complete Manual page 100

Figure: Description of 2N ® NetSpeaker mono PCB Connectors and Motherboard
Inputs
12V/2A DC power supply adapter connector
Alternative power supply connection terminals
Relay output with galvanic isolation for external 24V/1A AC/DC load switching
Digital input 5 – 24V (without galvanic isolation) for external sensor/button, etc.
10/100BASE–TX LAN RJ–45 connector
RESET button
Universal buttons with programmable functions (volume/channel)
MicroSD card slot for higher internal memory capacity
Infrared signal receiver for remote control
Operational status colour LED indicator
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