OSSIA COTA User manual

VERSION 1.2 • DC-1145• JUNE 2019
COTA®WPT SYSTEM
USER MANUAL

TABLE OF CONTENTS
Cota WPT System User ManualTable of Contents
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Cota Wireless Power Transfer System User Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1 Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Set-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3 Operating the Cota WPT Source and Cota WPT Client . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.1 Perform Power Network Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.2 Enable Cota WPT Source Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4 Light Ring Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
5.1 Cota WPT Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
5.2 Cota WPT Client . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
6 Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
7 FCC Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
8 RF Exposure Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

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Cota WPT System User Manual Product Description
COTA WIRELESS POWER TRANSFER SYSTEM USER MANUAL
1PRODUCT DESCRIPTION
The Cota® Wireless Power Transfer System (Cota WPT system) transmits power by using radio waves in the
2.4GHz Industrial, Scientific, and Medical (ISM) band defined by the FCC. It constantly communicates with the
Cota Wireless Power Transfer Client (Cota WPT client) to identify paths along which power can be delivered
and sends power along these paths. Power may be delivered up to a maximum distance of 1 meter from the
front of the Cota Wireless Power Transfer Source (Cota WPT source).
The Cota WPT client is designed to receive RF power from a Cota WPT source and may be used to provide
stable power to a variety of devices through its 5V USB port. The Cota WPT client may be placed on a
table-top or mounted on a wall or other stable surface.
2SET-UP
If the Cota WPT source is to be installed on a wall or in a ceiling, then installation should be performed by
qualified contractors and electricians. Such installations must ensure adequate ventilation around the rear
panel of the Cota WPT source. For tabletop use, place the Cota WPT source in the provided table stand.
Ensure that the Cota WPT source is secured and cannot fall. Avoid tripping hazards by ensuring proper
placement of the AC power cable.
The Cota WPT client shall be placed within 1 meter of the front of the Cota WPT source and at no more than a
60° offset from the front of the Cota WPT source. The Cota WPT client shall be installed in accordance with
the installation guidelines described in DC-1155_Ossia_Cota_WPT_Client_Installation_Guidelines.pdf.
3OPERATING THE COTA WPT SOURCE AND COTA WPT CLIENT
Plug the Cota WPT source into an AC wall outlet and apply power. The light ring on the Cota WPT source
should illuminate, changing colors slowly and continuously while the Cota WPT source is initializing. For light
ring colors and their meanings, see Section 4, Light Ring Status.
3.1 PERFORM POWER NETWORK CHECK
Connect to the Wi-Fi™.
Log in to the Cota Web Admin interface on a computer by using the Google Chrome web browser.
SSID and login information are on a label on the back of your Cota WPT source; connect directly to the
Cota Web Admin.

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Cota WPT System User Manual Light Ring Status
3.2 ENABLE COTA WPT SOURCE OPERATION
1. Go to System >> Health Monitoring, click the System Status tab, and verify that all the components under the
Components Status are green.
2. The Cota WPT clients are factory registered with your Cota WPT source and will appear on the Cota Web Admin
page.
3. Click Start Charging for the desired Cota WPT client.
4. When shutting down the Cota WPT source, use the Shut Down command in the Cota Web Admin first, and then
wait for 30 seconds before disconnecting the Cota WPT source from AC power.
4LIGHT RING STATUS
State Light Ring Color Pattern Description
Idle/Debug Slowly flashing orange The system is in idle or debug state.
Calibration Purple segments
progressing
The system is performing system calibration and initialization. The
system enters this state automatically upon coming up.
Wait for Clients Light red background color
with one bright light
segment moving slowly in
circle
This state indicates the system has been initialized and calibrated, but it
does not detect any Cota WPT client/device the vicinity.
Ready Green background color
with one pink light
segment moving in circle
The system detected at least one Cota WPT client and is ready to deliver
power to that Cota WPT client, however, the Cota WPT clients/devices
might have not been authorized or enabled to charge.
Powering Multiple light patterns
moving quickly in circle
The system is delivering power to Cota WPT client (s) or charging the
Cota WPT client (s).
Identifying Solid green color ring
flashing every second
Users can use the web interface to locate the Cota WPT source. Once
users click on Identify Transmitter button, light ring will flash for at least
15 seconds (configurable duration).
Error/Over Temp Solid red color ring flashing
every second
The system has encountered an error condition that it cannot continue
without intervention. All critical errors will force the system to enter this
state. Users will need to check the system log and system temperature to
get more detail on the error.

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Cota WPT System User Manual Specifications
5 SPECIFICATIONS
5.1 COTA WPT SOURCE
5.2 COTA WPT CLIENT
6SUPPORT
Technical support for Ossia products can be initiated through the following methods:
Website contact form: https://www.ossia.com/contact/
Telephone: +1 (425) 406-6477
Item Description
Modulation Power: Continuous Wave (CW) Signal
Data: IEEE 802.15.4
Frequency 2.4 to 2.5GHz
Power Field 60° from the front of the Cota WPT source, horizontally and vertically to a
maximum distance of 1 meter
Operating Temperature 10 C to 40 C
Environment Indoor use only
Mounting Wall, ceiling, or table-top mounting
Power 120 VAC
Item Description
Modulation Power: CW Signal
Data: IEEE 802.15.4
Frequency 2.4 to 2.5GHz
Power Field 60° from the front of the Cota WPT source, horizontally and vertically to a
maximum distance of 1 meter
Operating temperature 10 C to 40 C
Environment Indoor use only
Mounting Wall, ceiling, or table-top mounting
Power 5 VDC USB power

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Cota WPT System User Manual FCC Information
7FCC INFORMATION
Cota WPT Source: FCC ID: 2AS57OSSIACOTATX201
Cota WPT Client: FCC ID: 2AS57OSSIACOTARX201
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to
part 15 of the FCC Rules and consumer ISM equipment pursuant to part 18 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference when the equipment is operated in a
commercial environment. This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the user manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause harmful interference in
which case the user will be required to correct the interference at his own expense.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause undesired
operation.
NOTE Changes or modifications to the Cota WPT client or Cota WPT Source not expressly
approved by Ossia could void the user’s authority to operate the equipment.
8RF EXPOSURE NOTICE
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. In
order to avoid the possibility of exceeding the FCC radio frequency exposure limits, human proximity to the
Cota WPT source shall not be less than 20 cm during normal operation.

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