Optimus MX-88 Installation And Operating Instructions Manual page 25

4. MX-88 REAR PANEL
(1) EVACUATION ALARM CONTACT
The closure of these contacts makes the unit to broadcast the internal recorded message,
or external Alarm message input signal, to the corresponding output. Input is selected from
ALARM MESSAGE switch.
(2) LINK MODE SWITCH [MASTER/SLAVE]
This switch is used to set the link mode for MX-88 linked system.
(3) DC 24 V TERMINAL
(4) SYSTEM MUTE TERMINALS
MUSIC MUTE silences audio of BGM channels and wall panel inputs. SYSTEM MUTE
silences all inputs.
(5) AC MAINS POWER INLET
(6) PM-8Z / PM-32Z CONNECTION TERMINALS
(7) REMOTE MIC LEVEL CONTROL
Each level control adjusts the volume of the microphone desk connected to the
corresponding Remote Mic input.
(8) INTERFACE LINK IN / LINK OUT
Terminals used to link up to 4 audio matrix. Paging audio and data.
LINK IN: Connects to LINK OUT of the upper MX-88.
LINK OUT: Connects to LINK IN of the lower MX-88.
(9) BGM SOURCE INPUT TERMINAL
Input terminals to input BGM sources.
MX-88 Version 1.0
MX-88
AUDIO MATRIX 8x8
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