Setup guide

MMAC-M5FNB SETUP
Page 3-6
4. When the MMAC-M5FNB is ready to be turned on, observe the
LED on the front of the fan tray. This LED should be red for a
moment after you turn on the power switch, and then change to
green to indicate that all the fans are operating properly.
If this LED remains red, it indicates that one or more of the fans is
not operating at the proper speed. Check the fan tray to ensure that
nothing is interfering with movement of the fans. If you cannot find
the problem, call Cabletron Systems Technical Support for
assistance.
WARNING: The fan tray is hot-swappable; however, the chassis must
not be run without the fan tray for extended periods of time, as it will
quickly overheat.
Figure 3-3. Inserting the Fan Tray
3.2.4 Installing the Power Supply Module
You must install at least one power supply module in your
MMAC-M5FNB. One MMAC-M5PSM provides sufficient power for
most MIM configurations, but you may choose to install a second
power supply as a redundant, load-sharing power source. When two
MMAC-M5FNB
The Complete Networking Solution™
Multi Media Access Center
Fan tray LED
Knurled knob
Slot guide