
Copyright © 2011, Juniper Networks, Inc. Installing an Indoor WLA522E 29
Wireless LAN Access Point WLA522 and WLA522E Quick Start Guide Part Number: 530-042353 Rev.01
5. If the AP requires an external antenna, install and connect the antenna.
Connecting an AP to an External Antenna
Each radio on an Indoor AP can use an optional Juniper Networks external antenna. To mount the antenna,
see the instructions that come with the antenna.
To connect a mounted external antenna to an AP:
1. Attach the exterior antenna cable that is shipped with the antenna to the AP external antenna connector.
Both connectors are labeled to indicate the radio type. The AP has RP-SMA connectors for attachment to the
802.11b/g antenna and to the 802.11a antenna.
2. Attach the other end of the antenna cable to the antenna.
Installing an Indoor WLA522E
The WLA522E installation steps for ceiling or wall mount are the same as the WLA522 except that you must
install and orient the four antennas on the AP before supplying power to the unit. The WLA522E has no internal
antennas and requires antennas for all types of operation. Once the AP is installed on either the wall or ceiling
with antennas attached you can switch between Radio 1 and 2 using the CLI command:
set ap # radio x mode disable
Caution: The external connectors on the AP are labeled: 11B/G and 11A (excluding the WLA522E
which has numbered ports only). Each connector is a RP-SMA connector. Make sure you attach the
antenna to the correct connector.
Informational Note: If the AP is installed in a Juniper Networks outdoor AP enclosure, attach the
antenna cable to the lightning surge arrestor (if installed) or the RP-SMA bulkhead connector on the
enclosure.
Warning: Always install the four WLA522E antennas before supplying power to the AP. Failure to do
so can cause damage to the unit.
Warning: The tested/certified antennas are equipped with Reverse-SMA or N-type jacks.
Warning: This device and its antenna(s) must not be co-located or operated in conjunction with any
other antenna or transmitter.
Warning: The external connectors on the WLA522E are labeled 1, 2, 3, 6 on the housing. Each
connector is a RP-SMA connector. Make sure you attach the antenna to the correct connector.
Warning: For products available in the USA/Canada market, only channel 1~11 can be operated.
Selection of other channels is not possible.
Warning: This device is going to be operated in 5.15~5.25GHz frequency range, it is restricted in
indoor environment only.
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