Replacing The F-Mb21B-R Chassis Power Supply - Haivision MB6 Installation Manual

Replacing the F-MB21B-R Chassis Power Supply

The F-MB21B-R chassis is fully redundant. Three out of four PSUs are required to power all 21 cards in the chassis.
Figure 17: F-MB21B-R Removable Power Supply Units (close-up view)
NOTE The F-MB21B-R chassis fan tray is fixed and cannot be removed.
To replace the F-MB21B-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 Reset button to cancel the alarm.
3. Using a Phillips #2 head screwdriver, loosen the two captive panel screws (one on each side of the module).
Pull out the unit by the handle.
4. Slide the new PSU back in the chassis.
5. Tighten both captive panel screws.
6. Turn on the power switch.
MB6 and MB21 Multichannel Chassis Installation Guide, v2.0, Issue 01
PSU Power On/Off Switches
"Antistatic Precautions" on page 5 to prevent ESD damage to the equipment.
MB21 (21 Slot) Chassis
MB21 Chassis Power Components
PSU Status LED
(green)
PSU Alarm LED (red)
PSU Alarm Reset
button
AC Power
Receptacles
25