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Wireless WS-AP3710e has Poor Signal Strength with one 2.4GHz Antenna Connection

Wireless WS-AP3710e has Poor Signal Strength with one 2.4GHz Antenna Connection

FAQ_User
Extreme Employee
Article ID: 15159

Products
IdentiFi Wireless Controller; models C20, C25, C4110, C5110, C5210, V2110; firmware 8.21.04.0023 through 8.21.08.0005, 8.31.01.0189, 8.31.02.0005
Wireless Access Point; model AP3710e

Changes
Attached an external antenna to the AP's 2.4 Ghz Radio2 (three RSMA connectors designated left/middle/right).
Used only the left or right antenna jack for external antenna connection (by design losing MIMO capability).
Installed only a 50-ohm terminator into the right or left antenna jack.

During initial configuration, specified the (left/right) antenna jacks that are being used for installed antennas.

Symptoms
The 2.4Ghz radio has very low signal strength.
The AP has no attached wireless clients for that radio.

Cause
For Radio2, internal left/right antenna wiring may be reversed.

Solution/Workaround
Affected AP3710e units should be upgraded to firmware 8.31.03.0011 or higher, which logically swaps Radio2's left<->right connections.
If this does not resolve the issue, then please contact the GTAC for assistance.

Workaround:
    Leaving the configurations as is, swap Radio2's left<->right antenna connections. -or- Leaving the antenna connections as is, swap Radio2's left<->right configurations.
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