SMM-8SA v2.0
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SMM-8SA
SCHEDULED MESSAGE MODULE
MESSAGE MANAGER
(11) Switches for output level and GND bridge configuration.
Set the switch 1 to ON to link frame and GND, or set it to OFF to isolate them.
It may solve noise problems in some installations.
Set the switch 2 to ON to select AUX 0 dB (775 mV) output level, or set it to OFF to select
MIC -60 dB (0.775 mV) output level.
Note: AUX 0 dB setting is recommended for a better signal-noise ratio.
(12) Audio output terminals.
Transformer balanced audio output. It includes a normally open contact which is activated
whenever the unit plays an audio message.
(13) Ethernet connector.
It allows to connect the unit to a switch or router to access the web server for setting
configurations.
(14) USB connectors.
It allows the connection of a USB stick to save a backup of internal audio messages (see
section 4.7).
