Installation Guide - 17
Installation and Operation
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EX-4ML and EX-8ML Connections
Audio Wiring
The EX-4ML and EX-8ML endpoints include four (4) or eight (8) balanced, mic/line analog audio inputs,
respectively. Connect devices to these inputs using the included 3.81 mm, 7-pin Euroblock connectors.
Control Wiring
Each analog audio input includes control connections for two general purpose outputs (GPO) and one
general purpose input (GPI). The GPIO are compatible with most microphones that use LEDs or LED
rings and integrated push buttons.
The EX-4ML and EX-8ML also include 12 V microphone power output on each audio connector, which
can power microphones with LEDs and eliminate the need for an external power supply.
Microphones can be wired directly by following the wiring diagrams shown below. For some
microphones, an accessory adapter may be available to simplify the wiring.
NOTE:
The following diagrams are provided for convenience, but are subject to change. Please review
wiring information from the microphone manufacturer for the most up-to-date information.
Shure MX41x
Mic Signal
Mic Wire
Color
Function
EX UTB
Connector
Pin
Audio +
Red
Audio +
+
Audio -
Black
Audio -
-
Shield
Bare
Shield
Logic Ground
Green
Ground
Switch Out
White
Switch
I1
LED In
Orange
LED
O1
Shure MX396/Dual
Mic Signal
Mic Wire
Color
Function
EX UTB
Connector
Pin
Mic 1 Audio +
White
Audio +
Ch 1 +
Mic 1 Audio -
Green
Audio -
Ch 1 -
Mic 2 Audio +
Orange
Audio +
Ch 2 +
Mic 2 Audio -
Blue
Audio -
Ch 2 -
Shield
Bare
Shield
Logic Ground
Silver
Ground
Switch Out
Red
Switch
Ch 1 I1
LED In
Black
LED
Ch 1 O1
