84
Audio output
1 Tip 2 Ring 3 Sleeve
Channel 1, unbalanced line, mono Channel 1, unbalanced line, mono Ground
Balanced line, “hot” signal Balanced line, “cold” signal Ground
Stereo unbalanced line, “left” Stereo unbalanced line, “right” Ground
Channel 1, unbalanced line Channel 2, unbalanced line Ground
4-pin terminal block for audio input and output.
Function Pin Notes
GND 1 Ground
Ring power 2 12 V for external source
Microphone/Line in 3 Microphone (analog or digital) or line in (mono). 5 V microphone bias is
available.
Line out 4 Line level audio output (mono). Can be connected to a public address (PA)
system or an active speaker with a built-in amplifier.
2-pin terminal block for line out.
Function Pin Notes
Line out (+) 1 Line audio out
0 V DC (-) 2
The internal microphone is used by default; the external microphone is used when connected. You can disable
the internal microphone by connecting a plug to the microphone input.
The external microphone is used when connected.
XLR connector
• Left – 3-pin XLR connector for balanced audio input. Use left connector for mono.
• Right – 3-pin XLR connector for balanced audio input.
AXIS Q8752-E Mk II Bispectral PTZ Network Camera