9-6
Section 9-3 - Digital Voice Module (MDX-2)
Wheelock, Inc. Part Number: 105094
The Digital Voice Module (MDX-2) provides playback capability of pre-recorded messages. The MDX-2,
when activated, provides a pre-recorded tone and/or message to the Single Circuit SAFEPATH
®
Panel
which then broadcasts it through the amplifiers and to the audio appliances.
The MDX-2 can have up to 8 pre-recorded messages that can be initiated by dry contact closure or open
collector for each one. Figure 9-3 on Page 9-7 shows the location of these inputs. Up to 2 minutes of
audio storage are recorded on UV-erasable EPROM memory chips. Any dry contact closure or open
collector can include Acknowledgment of the playing file and Reset initiation. (The reset switch is required
to be in a locked enclosure.)
The memory chips are normally recorded at Wheelock, Inc. The Standard Message Kit (SMK), which has
8 common messages and tones, is programmed for a single channel output. The Programmed Message
Kit (PMK) is tailor made to the customer’s desires. The location of these kits are shown on Figure 9-3 on
Page 9-7.
Fuse F1 fuses the 24VDC power input.
Figure 9-3 shows the MDX-2 as it is mounted in the panel.
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