GRASS VALLEY IQH4B, User Manual

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4
Operation
This section of the manual assumes that the IQH4B Enclosure has been installed in accordance
with the instructions given in Chapter 3 . It describes operation of the unit by means of the
RollCall Control Panel software.
To fully conform with EMC and Safety standards, modules must be correctly installed in the
enclosure. Prior to connection of power, the user should check the following items:
• The rear of the enclosure must have a full complement of rear panels. Any vacant slots
must have a blank rear panel fitted.
• All enclosure covers and rear panels must be fitted and screwed down using all available
fixing holes.
• The enclosure front panel must be in the closed position, with the turnbuckles and screws
fastened.
Unit Status
This area of the template displays basic information about the current status of the unit.
Line 1
Shows status of the two Ethernet links.
Line 2
This will normally show the output voltage of the power supplies. For example:
• PSU: +7.6V -7.8V
If a PSU error is detected or a voltage measurement is out of range, then the text will toggle to
one of the items in the list below:
Message Description
OK
N/A
PSU: +7.5V_RAIL
Positive voltage rail out of expected range (<6.8 V or >8.0 V).
PSU: -7.5V_RAIL Negative voltage rail out of expected range (<6.8 V or >8.0 V).
PSU: LEFT_MISSING Left PSU expected but not present.
PSU: LEFT_FAILED Left PSU failed or no power present.
PSU:RIGHT_MISSING Right PSU expected but not present.
PSU:RIGHT_FAILED Right PSU failed or no power present.