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Installing and Removing Power Supply Units
The IQH3B and IQH3BQ 3U enclosures are provided with one PSU as standard. There is an
option for installing a second PSU to allow dual redundant operation. This may be a factory-
fitted option or can be done as an upgrade.
Installing a Power Supply Unit
To install a power supply unit:
1 Open the front panel, as described in
.
2 Ensure the power supply's orientation is correct.
3 Slide power supply in and push home firmly.
4 Close the front panel.
Removing a Power Supply Unit
To remove a power supply unit:
1 Open the front panel, as described in
.
2 Pull handle firmly and slide out the power supply.
3 Close the front panel.
Installing and Removing Modules
Configuration Rules
These rules limit the total power dissipation of modules that can be installed in the box and use
the module power ratings to calculate the total power dissipated in the enclosure.
Module Power Rating
The power rating for each module will be given in the associated operation manual for that
module or in the product technical specification available on the Grass Valley Web site.
Available Power
The IQH3B Enclosure has 165 Power Rating units available, and the IQH3BQ Enclosure has 100
units available. The Power Ratings of each module should be added together with the total not
exceeding 165 units for the IQH3B, and 100 units for IQH3BQ. Modules that do not specify a
Power Rating should use the total power figure as a power rating value.
Note:
Ensure that the power supply is switched off and the mains power
connection at the rear of the unit is removed before these operations are
attempted.
Note:
Before installing a new module into the enclosure. Ensure that the
configuration rules given below are followed.
The rear of the enclosure must have a full compliment of rear panels. Any
vacant slots must have a blanking panel fitted.
Note:
The sum of the module power ratings in the enclosure, calculated
using the method above, must not exceed 165 units.
Summary of Contents for grass valley IQH3B Series
Page 1: ...User Manual Issue 3 Revision 1 2019 07 12 IQH3B IQH3BQ IQ 3U MODULAR ENCLOSURE ...
Page 14: ...xiv Notices ...
Page 18: ...xviii Table of Contents ...
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