ARTHUR HOLM AHDTLM UC, User Manual

Page: 8 / 16

8
Connections
-
Microphone out: XLR connector of the microphone installed in the
DynamicTalk
-
12V DC IN: XLR4 connector to the power supply
-
1,2: Ground
-
3,4: 12VDC
-
GPI/GPO: SubD 9 pins female connector to contact close external
functions. Connect the external UP/DOWN push button to this
connector
Pin Function
1,6
Contact close of the customised push button
on upper cover plate (central button).
100mA Max.
8,9
Only in conference mode Contact close of the TALK push button on
upper cover plate, only in conference mode.
This function is not working when the device
is configured in PA mode
100mA Max.
2
Only in conference mode Activates the ring RED LED in conference
mode, connecting to GPI ground
3
Only in conference mode Activates the ring GREEN LED in conference
mode, connecting to GPI ground
4 Connect this pin to GPI ground to rise up
the microphone
5 Connect this pin to GPI ground to down the
microphone
7 GPI ground
NOTE: In conference MODE, if the 2 and 3 pin are not connected to
ground, the ring LED is off.