Figure 2-11: Avu Drawer Front Panel; Table 2-16: Avu Leds - Alvarion BreezeMAX 3500 System Manual

Chapter 2 - Installation
Connect the ground wire to the ground.
Connect the
9
to the OD
transmissions at undesired frequencies, verify that the frequency and
bandwidt
cables.
2.2.10 Air Ventilation Unit (
The 2U high, 84 HP wide AVU inclu
airflow and
avail ability B
are sufficien
availa bility, t
from it for a
LED Status
PWR ALRM
Off Off
Red Red
Green Red
Green Off
If the red ALRM LED is on while the PWR LED is green, it indicates a failure of at
least one fan. Although the Base Station chassis may continue operating with one
failed fan, it is recommended to replace the AVU as soon as possible.
To replace an AVU drawer:
Release the 4 screws securing the AVU to the chassis.
1
Using the handle take out the faulty chassis.
2
58
IF cable(s) (already connected at the
U-1 connect or(s) of the
h parameters are prope
Figure 2-11: AVU Dr
a 1U high fan tray with a
ase Station, the f an tray include
t for coolin g a fully load
he chassis can ope rate
period of t ime sufficient
Table 2-16: A
Description
No 5V power input
12V power failed
One or more fans have failed
AVU operates properly
other end to the AU-ODU(s))
applicable AU -IDU module(s). To avoid
rly configured before connecting
AVU)
awer Front Panel
des a 1U high in tegral chamber for inlet
n internal alarm module. To
s 10 brush-less fans, where
ed chassis. To further support h
with the hot-swappable fan
for replacing it (up to 10 minutes).
VU LEDs
BreezeMAX System Manual
the IF
support a high
9 fans
igh
tray extracted