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Vega-MV Router Multiviewer - User Manual
Issue 1 Revision 2
Page 196
© 2017 SAM
Ventilation
MV-EXTPSU3 External Power Supply Shelf 11.3
11.3 Ventilation
11.4 Internal Modules
The unit front may be removed once the two front knurled screw fasteners have been undone.
Figure 151 shows the view with the front down. Up to three power supply modules may be
visible.
11.5 LED Indicators
Each power supply module has two LED indicators, described in Table 74.
Figure 150 MV-EXTPSU3 AIr-Flow
Air flow front-to-rear
Figure 151 MV-EXTPSU3 Unit Front View with Front Removed
up to three PSU modules in MV-EXTPSU3 unit
DC OK LED
AC OK LED
PSU module handle
PSU module
retaining tab
Slot A
Slot B
Slot C
LED
State
Description
DC OK
GREEN
PSU DC output is OK.
OFF
PSU DC output is less than approximately 18 VDC.)
AC OK
GREEN
PSU AC input is OK.
OFF
Mains AC Supply is not present
or Mains AC voltage less than approximately 82 V.
Table 74
PSU Module LEDs