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Product Safety and Security
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Safety and Performance Information
External Devices
We recommend that you use good-quality external devices that are shielded against unwanted radio frequency
(RF) and audio frequency (AF) signals. External devices include headsets, cables, and connectors.
Depending on the quality of these devices and their proximity to other devices, such as mobile phones or
two-way radios, some audio noise may still occur. In these cases, we recommend that you take one or more
of these actions:
• Move the external device away from the source of the RF or AF signals.
• Route the external device cables away from the source of the RF or AF signals.
• Use shielded cables for the external device, or use cables with a better shield and connector.
• Shorten the length of the external device cable.
• Apply ferrites or other such devices on the cables for the external device.
Cisco cannot guarantee the performance of external devices, cables, and connectors.
Caution
In European Union countries, use only external speakers, microphones, and headsets that are fully compliant
with the EMC Directive [89/336/EC].
UL Warning
The LAN/Ethernet cable or other cables attached to the device should not be extended outside of the building.
Safety and Performance Information, on page 37
Compliance Statements, on page 38
Cisco Product Security Overview, on page 39
Important Online Information, on page 39
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C H A P T E R
Webex Desk Camera User Guide
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