DC/DC Power Board, ROF1376303
The DC/DC power board is resident in the MX-ONE Classic subracks and distributes the -48 V DC from the AC/DC power system to the backplane.
The DC/DC power board generates the DC voltages, +/- 5V, +/-12V, necessary for the device boards in MX-ONE Classic.
The DC/DC power board also has input for external alarms. See the installation instructions Installing MIVOICE MX-ONE, HARDWARE.
Note:
A fuse of maximum 15A is required if a third party AC/DC power system is used.
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