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Your network must include a Cisco Wireless Controller and the supported Cisco APs. These APs must be associated with the controller.
The following is a list of installation guidelines pertaining to Cisco USB GNSS dongle:
The dongle can be plugged into a supporting AP's USB port without removing the AP from the ceiling.
Use caution when placing the dongle near equipment and antennas operating on cellular LTE frequencies such as repeaters and amplifiers. This equipment may interfere with GNSS frequencies.
When installing the external antenna, position the antenna in the desired location and perform any cable management tasks before inserting the connector into the dongle to reduce mechanical stress.
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Step 1 |
Plug the Cisco USB GNSS dongle into the USB port of the AP.
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Step 2 |
Log in to the controller GUI. |
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Step 3 |
Choose . Select the AP Join profile. |
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Step 4 |
In the General section, check the USB Enable checkbox to enable the USB port. |
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Step 5 |
Choose . |
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Step 6 |
Select the AP with the Cisco USB GNSS dongle installed. |
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Step 7 |
Click the Inventory tab. |
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Step 8 |
In the USB Module Inventory section, verify the USB module details. We recommend that you perform the USB module verification for all the APs with Cisco USB GNSS dongle. |
The following table lists Cisco USB GNSS dongle LED status.
| LED Color | Status |
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Red |
Not ready with satellite fix |
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Green |
Ready with satellite fix |
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Blinking green |
Acquiring satellite signal/fix |
 Note |
LED brightness control (dimming) and multicolor status is not supported. |
Configurations
The GNSS external antenna cable length is configured per AP and the AP retains the value even after the AP is rebooted. You must manually configure the cable length when the antenna cable exceeds the 10 meter length cable provided with the external antenna.
| Command or Action | Purpose | |
|---|---|---|
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Step 1 |
enable Example: |
Enables privileged EXEC mode. Enter your password if prompted. |
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Step 2 |
ap name ap-name geolocation gnss antenna external cable-length cable-length Example: |
Configures the cable length in meters. The range is between 1 and 100 meters. Use the no form of this command to remove the manually configured cable length and reset the cable length to default value. |
| Command or Action | Purpose | |
|---|---|---|
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Step 1 |
configure terminal Example: |
Enters global configuration mode. |
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Step 2 |
ap profile ap-profile-name Example: |
Configures an AP profile and enters AP profile configuration mode. |
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Step 3 |
sensor environment pressure mode disabled Example: |
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Step 4 |
end Example: |
Exits configuration mode and returns to privileged EXEC mode. |
Geolocation Parameters
| Command or Action | Purpose | |
|---|---|---|
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Step 1 |
enable Example: |
Enables privileged EXEC mode. Enter your password if prompted. |
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Step 2 |
ap name ap-name geolocation height ap-height Example: |
Enter AP above ground level (AGL) height in meters. The range is between -100–1000 meters. Use the no form of this command to remove the AGL value manually configured for a particular AP. |
The following commands clear the derived geolocation information. You can clear the values from a specific AP, all APs, or using the MAC address of the AP.
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