Mb21 Chassis Power Components; Replacing The F-Mb21X-R Chassis Power Supply - Haivision MB6 Installation Manual

MB21 Chassis Power Components

Replacing the F-MB21X-R Chassis Power Supply

The F-MB21X-R chassis is fully redundant. It can run using one or both PSUs. If using both, they share the load 50-
50. One PSU can power all 21 cards in the chassis.
PSU Retaining Screws
Figure 16: F-MB21X-R Removable Power Supply Units (close-up view)
To replace the F-MB21X-R Power Supply:
The PSU Power LED will show red to indicate an issue with the PSU. When this occurs, you should replace the
power supply.
CAUTION Refer to
1. Turn off the PSU to be replaced. The alarm will sound.
2. Press the Alarm Mute button to cancel the alarm.
3. Lift the AC cable retainer wire.
4. Unplug the power cord from the PSU.
5. Using a Phillips #2 head screwdriver, remove the screw next to the power receptacle. Pull out the unit by the
handle.
6. Slide the new PSU back in.
7. Tighten the screw.
8. Plug the power cord back in.
9. Return the AC cable retainer wire to position.
10. Turn on the power switch.
MB6 and MB21 Multichannel Chassis Installation Guide, v2.0, Issue 01
AC Power Receptacles
"Antistatic Precautions" on page 5 to prevent ESD damage to the equipment.
MB21 (21 Slot) Chassis
MB21 Chassis Power Components
PSU Alarm Mute button
PSU Power LED (green)
PSU Power AC On/Off Switches
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