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4
Hardware Installation
Ethernet cable
from LAN switch
1.
Insert the power cable plug directly into the standard AC receptacle on the
power injector.
2.
Plug the other end of the power cable into a grounded, 3-pin socket, AC power
source.
Note: For International use, you may need to change the AC line cord. You must use a
line cord set that has been approved for the receptacle type in your country.
3.
Check the LED on top of the power injector to be sure that power is being
supplied to the wireless bridge through the Ethernet connection.
Align Antennas
After wireless bridge units have been mounted, connected, and their radios are
operating, the antennas must be accurately aligned to ensure optimum performance
on the bridge links. This alignment process is particularly important for long-range
point-to-point links. In a point-to-multipoint configuration the root bridge uses an
omnidirectional or sector antenna, which does not require alignment, but bridge
nodes still need to be correctly aligned with the root bridge antennna.
• Point-to-Point Configurations – In a point-to-point configuration, the alignment
process requires two people, one at each end of the link. The use of cell phones or
two-way radio communication may help with coordination. To start, you can just
point the antennas at each other, using binoculars or a compass to set the general
direction. For accurate alignment, you must monitor the signal strength LEDs as
the antenna moves horizontally and vertically.
• Point-to-Multipoint Configurations – In a point-to-multipoint configuration all
bridge nodes must be aligned with the root bridge antenna. The alignment process
is the same as in point-to-point links, but only the bridge node end of the link
requires the alignment.
4-8
I n p
u t
O u
t p u
t
Power LED indicator
Ethernet cable to
wireless bridge
AC power
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