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Polycom® VVX® 300 and 310 Business Media Phones User Guide
WARNING Electrical Safety
To avoid electric shock, do not connect safety extra low voltage (SELV) circuits to
teleconference station network (TNV) circuits. LAN ports contain SELV circuit, and WAN ports
contain TNV circuits. Some LAN and WAN ports both use RJ-45 connectors. Use caution when
connecting cables.
This product is rated 48Vdc, 0.25A. When used with the optional external power supply
(PSA15A-480PV, or similar rated PSU), the power supply shall be a Listed power supply with a
LPS output, rated 48V, min. 0.25A.
Russian Compliance
VVX 300: Ministry of Information Technologies & Communication of the Russian Federation –
Declaration of Conformity. Д- СПД-6090 valid till 01/March/2016.
VVX 310: Ministry of Information Technologies & Communication of the Russian Federation –
Declaration of Conformity. Д- СПД-6091 valid till 01/March/2016.
New Zealand Telepermit
VVX 300: PTC 220/12/085
VVX 310: PTC 220/12/086
Special Conditions for this User Guide
• PTC General Warning
The grant of a Telepermit for any item of terminal equipment indicates only that
Telecom has accepted that the item complies with minimum conditions for connection
to its network. It indicates no endorsement of the product by Telecom, nor does it
provide any sort of warranty. Above all, it provides no assurance that any item will work
correctly in all respects with another item of Telepermitted equipment of a different
make or model, nor does it imply that any product is compatible with all of Telecom’s
network services.
• Echo Cancellation
Echo cancellers are not normally required in the Telecom PSTN because geographic
delays are acceptable where CPE return loss is maintained within Telepermit
limits. However, those private networks making use of Voice over IP technology are
required to provide echo cancellation for all voice calls. The combined effect of audio /
VoIP conversion delay and IP routing delay can cause the echo cancellation time of 64
mS or more to be required.
• Software Version in this Polycom VVX 300 and 310 VoIP Desktop Telephone When
Used on the Telecom Network
This telephone must be equipped with the software installed during the PTC testing
(version 6.4.1.0008) for compliance to be guaranteed.