Version 8.3 | January 2014 | 3725-69957-003/A
Hardware Guide
Polycom® RealPresence®
Collaboration Server (RMX) 1800
Hardware Guide
© 2014 Polycom, Inc. All rights reserved.
Polycom, Inc.
6001 America Center Drive
San Jose CA 95002
USA
No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, for
any purpose, without the express written permission of Polycom, Inc. Under the law, reproducing includes translating
into another language or format.
As between the parties, Polycom, Inc., retains title to and ownership of all proprietary rights with respect to the software
contained within its products. The software is protected by United States copyright laws and international treaty
provision. Therefore, you must treat the software like any other copyrighted material (e.g., a book or sound recording).
Every effort has been made to ensure that the information in this manual is accurate. Polycom, Inc., is not responsible
for printing or clerical errors. Information in this document is subject to change without notice.
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Trademark Information
POLYCOM
®
and the names and marks associated with Polycom's products are trademarks and/or service marks of
Polycom, Inc., and are registered and/or common law marks in the United States and various other countries.
All other trademarks are the property of their respective owners.
Patent Information
The accompanying product may be protected by one or more U.S. and foreign patents and/or pending patent
applications held by Polycom, Inc.
RealPresence Collaboration Server (RMX) 1800 Hardware Guide
Polycom, Inc. 1
Table of Content
Hardware Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Main Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
System Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Conferencing Capacities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Resource Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Resource Capacity in Non-Mixed Conferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Resource Capacities in Mixed Conferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Install the RealPresence Collaboration Server 1800 . . . . . . . . . . . . . . . . . . . . . . . 7
Site Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Shelf Mount Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Installation Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Install the RealPresence Collaboration Server 1800 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Mount the RealPresence Collaboration Server 1800 on a Shelf . . . . . . . . . . . . . . . . . . . . . 9
Connect the RealPresence Collaboration Server 1800 to a Power Source . . . . . . . . . . . . 9
Connect the RealPresence Collaboration Server 1800 to AC Power . . . . . . . . . . . . . . . . . 9
RealPresence Collaboration Server 1800 Front Panel . . . . . . . . . . . . . . . . . . . . . . . . 11
RealPresence Collaboration Server 1800 Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . 12
Regulatory Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Important Safeguards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Remarques importantes concernant la sécurité . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Regulatory Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
USA and Canadian Regulatory Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
EU Regulatory Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Japan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Chinese . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Korea . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Polycom, Inc. 1
Hardware Description
This Hardware Guide provides information on the RealPresence Collaboration Server 1800 and its
components.
Main Features
The Polycom RealPresence Collaboration Server 1800 offers the following features:
● Linux® based
● Support for standard network ports (H.323, SIP, and LAN)
● New hardware codec technologies
● Up to 1080p 60 high definition video conferencing
● Telecommunication grade high availability and on-line upgrading
● Easy integration of conference elements into external network management
● Enhanced Continuous Presence (multi-image video)
● IVR (Interactive Voice Response) module
● Support both H.264 SVC endpoints-only conferencing, and AVC-SVC mixed conferencing.
● Hot backup to offer high availability and a rapid recovery solution
System Specifications
The following table lists technical specifications of the RealPresence Collaboration Server 1800 1800
system.
Illustrations in this book are for your reference only and may not accurately depict the actual system.
Physical
Height 2U (8.9 cm.)
Width 17.36 '' (44.1 cm.)
Depth 19.13 '' (48.6 cm.)
Weight Up to 14.5 Kg (31.97 lbs)
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Conferencing Capacities
The following table summarizes the different system capacities.
Media Protocols
Audio SAV, G.711, G.722.x, G.729A, Siren 14, Siren 22 (in mono or stereo)
and Siren LPR.
Video H.261, H.263, H.263+, H.264, H.264 High Profile, H.264 SVC
Network ports
IP
H.323
,
SIP
,
VoIP
LAN LAN 1, LAN 2
Power Supply
AC Input/ Range, Power output Voltage range: 100-240 VAC 50-60 Hz.
Current: 10-3.5 AMP
Maximum power output: 740 Watts.
Power Consumption
AC Maximum Power consumption 350 Watts.
Environment
Operating temperature 10° to 35°C (50° to 95°F).
Storage temperature -40° to 70°C (-40° to 158° F).
Relative humidity 20% to 90% non-condensing.
Operating altitude Up to 5 KM (16404 Ft.)
Operating ESD 4 KV.
System Functions Number
Maximum number of Video participants in a conference 150
Maximum number of Audio-only participants in a conference 150
Maximum number of Audio calls per second 5
Maximum number of Video calls per second 2
Maximum number of conferences 200
Maximum number of Meeting Rooms 1000
Maximum number of Entry Queues 40
Maximum number of Profiles 80
Maximum number of Conference Templates 100
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Resource Capacity
The RMX 1800 system allocates port resources in AVC HD720p30 units. The number of unit ports each type
of call requires differs for AVC-SVC mixed conferences and non-mixed conferences.
Listed are the resource capacities for different system configurations, licenses, and conferencing modes.
Resource Capacity in Non-Mixed Conferences
The port consumption of different calls are as shown in this table.
In other words, to make a 1080p 60 call, you need four license ports; to make a 1080p 30 call, two license
ports; and so forth.
When the required resource is not a whole number, it’s rounded up to the nearest whole number. For
example, to make an SVC call requiring1/3 of a license port. In fact, one port will be allocated.
Maximum number of SIP Factories 40
Maximum number of IP Services 2
Maximum number of IVR Services 80
Maximum number of Recording Links 20 (Default)
Maximum number of IVR Video Slides 150
Maximum number of Log Files (1Mb max.) 4000
Maximum number of CDR Files 2000
Maximum number of Fault Files 1000
Number of Participant alerts No limitation
Maximum number of concurrent RealPresence Collaboration Server 1800 Web Client
connections to the MCU
20
Maximum number Address Book entries 4000
Maximum number of Users 100
Maximum number of Reservations (internal Scheduler) 2000
Table: Port consumption of different calls, in non-mixed conferences
720p 30 1080p 60 1080p 30 SD CIF Audio SVC
1 4 2 1/2 1/2 1/2 1/3
System Functions Number
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The following table lists the system capacities for each license in non-mixed conferences when the system
has one DSP card.
The following table lists the system capacities for each license in non-mixed conferences when the system
has one DSP card.
Table: Licensed capacity for systems with three DSP cards, in non-mixed conferences
Licensed
ports
1080p 60 1080p 30 AVC HD AVC SD AVC CIF Audio SVC
5 1 2 5 10101015
10 2 5 10 20 20 20 30
15 3 7 15 30 30 30 45
20 5 102040404060
25 6 122550505075
30 7 153060606090
35 8 1735707070105
40 10 20 40 80 80 80 120
45 11 22 45 90 90 90 135
50 12 25 50 100 100 100 150
55 13 27 55 110 110 110 165
60 15 30 60 120 120 120 180
65 16 32 65 130 130 130 195
70 17 35 70 140 140 140 210
75 18 37 75 150 150 150 225
Table: Licensed capacity for systems with one DSP card, in non-mixed conferences
Licensed
ports
1080p 60 1080p 30 AVC HD AVC SD AVC CIF Audio SVC
5 1 2 5 10 10 10 15
10 2 5 1020202030
15 3 7 1530303045
20 5 102040404060
25 6 122550505075
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Resource Capacities in Mixed Conferences
The port consumption of different calls in mixed conferences are shown in the following table.
In other words, to make a 1080p 30 call, you need three license ports. When the required resource is not a
whole number, it’s rounded up to the nearest whole number. For example, to make an SVC call requiring1/3
of a license port. In fact, one port will be allocated.
The following table lists the system capacities for each license in mixed conferences when the system has
3 DSP cards.
Table: Port consumption of different calls, in mixed conferences
720p 30 1080p 30 SD CIF Audio SVC
3/2 3 3/4 3/4 3/4 1/3
Table: Licensed capacity for systems with three DSP cards, in mixed conferences
Licensed
ports
1080p 30 AVC HD AVC SD AVC CIF Audio SVC
5 1366615
10 3 6 13 13 13 30
15 5 1020202045
20 6 1326262660
25 8 1633333375
30 10 20 40 40 40 90
35 11 23 46 46 46 105
40 13 26 53 53 53 120
45 15 30 60 60 60 135
50 16 33 66 66 66 150
55 18 36 73 73 73 150
60 20 40 75 75 75 150
65 21 42 75 75 75 150
70 23 42 75 75 75 150
75 25 42 75 75 75 150
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The following table lists the system capacities in non-mixed conferences when the system has one DSP
card.
Table: Licensed capacity for systems with one DSP card, in mixed conferences
Licensed
ports
1080p 30 AVC HD AVC SD AVC CIF Audio SVC
5 1366615
10 3 6 13 13 13 30
15 5 1020202045
20 6 1326262652
25 8 1426262652
Note: About special licenses
For both mixed and non-mixed conferences, special licenses are available to provide up to 100 ports for
systems configured with three DSP media cards, or up to 35 ports for systems with one DSP card.
For more information, please contact your local Polycom representative.
RealPresence Collaboration Server (RMX) 1800 Hardware Guide
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Install the RealPresence Collaboration
Server 1800
This section describes site requirements and system installation procedures.
Site Requirements
This section describes the requirements your site must meet for safe installation and operation of the
system.
Safety Requirements
For your protection, please read these safety instructions completely before operating the equipment.
● Look carefully for potential hazards in your work area: moist floors, ungrounded power cables, frayed
power cords, missing safety grounds and so forth.
● Locate the main circuit breaker within the room.
● Locate the emergency power OFF switch within the room.
● Never assume that power is disconnected from a circuit.
● Use only the power cord supplied with the system.
● The power cord should only be connected to a power outlet that has a protective ground contact.
● Ensure that the power cord is easily accessible from the back of the system at all times.
● Place the equipment in a well-ventilated area where the vents are free from obstruction.
● Do not place heavy objects directly on top of the RealPresence Collaboration Server 1800 unit.
● Do not use liquids around your equipment.
Shelf Mount Safety Precautions
The following precautions should be followed with regards to rack mount safety:
● Keep the area around the RealPresence Collaboration Server 1800 clean and free of clutter.
● Decide on a suitable location for the equipment rack that will hold the RealPresence Collaboration
Server 1800 unit. It should be situated in a clean, dust-free area that is well ventilated. Avoid areas
where heat, electrical noise and electromagnetic fields are generated. You will also need it placed
near a grounded power outlet.
● Ensure that the leveling jacks on the bottom of the rack are fully extended to the floor with the full
weight of the rack resting on them.
● Install the heaviest components on the bottom of the rack first, and then work up.
● Allow the power supply units to cool before touching them.
RealPresence Collaboration Server (RMX) 1800 Hardware Guide
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Installation Precautions
The following precautions should be followed with regards to installation of the RealPresence Collaboration
Server 1800:
● Use a regulating uninterruptable power supply (UPS) to protect the RealPresence Collaboration
Server 1800 from power surges and voltage spikes, to keep your MCU operating in case of a power
failure.
● Place the RealPresence Collaboration Server 1800 on a hard, flat surface such as a desktop or
mount it on 19” rack.
● The airflow of the RealPresence Collaboration Server 1800 is from front to back. Be sure that the
areas in the front and rear side of the system are clear for proper ventilation.
Install the RealPresence Collaboration Server 1800
The following procedures have to be performed to install the RealPresence Collaboration Server 1800 in
your site:
● Unpacking the system
● Installing the system in a rack or as a standalone system
● Connecting the system to the power source
● Connecting the network (LAN and IP) cables to the system
To unpack and lift the RealPresence Collaboration Server 1800:
1 When you receive the RealPresence Collaboration Server 1800 packing case, inspect the
equipment for damage and verify that the components match the packing slip.
2 Open the top cover of the packing case.
Boxes are placed on the top Stratocell® and contain power cables, 2 ethernet cables, USB key and
documentation.
Make sure that boxes contain all the required parts.
When handling electronic components, standard anti-static precautions must be observed:
• Wear a grounding strap
• Keep components in anti-static bags, when not installed in the RealPresence Collaboration Server
1800.
Sealed System! The RealPresence Collaboration Server 1800 is a sealed system, breaking the seal
and opening the chassis VOIDS the WARRANTY!
Write down the system’s serial number that is on a sticker on the back of the unit. It will be needed for
product registration later in the process.
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Mount the RealPresence Collaboration Server 1800 on a Shelf
Follow the steps below to mount the system on a shelf.
1 Install the shelf supplied by the rack manufacturer, in the rack.
2 Mount the system on the shelf.
3 Fasten the system to the rack with screws through the four holes in the system’s front mounting
brackets.
Connect the RealPresence Collaboration Server 1800 to a Power
Source
The following restrictions apply to the conductors and connectors that may be used to ground the unit when
rack mounted:
● When using bare conductors, they must be coated with an appropriate antioxidant compound before
crimp connections are made. Tinned, solder-plated or silver-plated connectors do not have to be
prepared in this manner.
● The same bolt assemblies should not secure multiple connectors.
● Listed fastening hardware must be compatible with the materials being joined and must be preclude
loosening, deterioration and electrochemical corrosion of the hardware and joint materials.
Connect the RealPresence Collaboration Server 1800 to AC Power
» Insert the power cable into the power connector on the rear panel of the RealPresence Collaboration
Server 1800 system.
To connect the cables:
1 Connect the management network cable to LAN 1 port.
Only the AC Power cable supplied by Polycom should be used.
The size of the protective earthing conductor should be a minimum of 10 AWG.
The outlet intended for connecting the power cord must be protected with an external overcurrent
protection device either in building or in the rack with the rating not higher than 20 AMP.
Do not use an extension cord with the cable.
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2 Connect the media and signaling cable to LAN 2 port.
To power up the system for the first time:
1 For first entry installation, you must insert the USB key containing the modified IP addresses in USB
slot on the system’s back panel. For more information see, the system’s Getting Started Guide,
“Procedure 1: First-time Power-up”.
2 Turn ON the power by pressing on the ON/OFF button located on the front panel of the
RealPresence Collaboration Server 1800.
The parameters in the lan.cfg file are uploaded from the USB key to the system’s memory and applied
during the power-up sequence.
System power-up sequence may take up to five minutes.
When the system's configuration is completed (including the Management and IP Network Services),
and if there are no System Errors, the STATUS LED (on the system’s front panel) turns green.
3 Remove the USB key. For more information see, the Getting Started Guide, "Hardware
Description".
You are required to register all Polycom Software Licenses that you have purchased when retrieving
the Activation Key. For example, Encryption and Network Separation each have different Polycom
Software Licenses.
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RealPresence Collaboration Server 1800 Front Panel
You can power on or off the system, and view the system status from its front panel.
No. Name Description
1 LAN 1 LED Off - No network connection
Green - Network connected
Flickering green - In use
2 LAN 2 LED Off - No network connection
Green - Network connected
Flickering green - In use
3 STATUS LED Red - System alarms
Green - Endpoints are connected to a meeting
Flickering green - No system alarms and no endpoints connected to the meeting
Flickering blue - Diagnostic tests are running
Blue - Diagnostic tests are completed. Remove the USB key (if applicable) and restart the
system
4 M/S LED Blue - System upgrade completed, waiting for reboot
Flickering blue - System upgrading in progress
Green - The system works normally, either in single mode, or as the master MCU in the hot
backup mode
Flickering green - The system works normally, as the slave MCU in the hot backup mode
5 PWR LED Green - Power normal
Red - Power alarms
6 ON/OFF
button
Power the RealPresence Collaboration Server 1800 System on or off.
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RealPresence Collaboration Server 1800 Rear Panel
The RealPresence Collaboration Server 1800 rear panel contains built-in power and fan units, USB, LAN,
and serial ports.
No. Port Description
1, 2 Power socket and
fan
Built-in power socket and fan
3 Serial (RS 232) Diagnostics only
4 USB 1 For USB key connection. For more information, see the RealPresence
Collaboration Server 1500/1800/2000/4000 Getting Started Guide, “First Time
Installation and Configuration”.
5 USB 2 For USB key connection. For more information, see the RealPresence
Collaboration Server 1500/1800/2000/4000 Getting Started Guide, “First Time
Installation and Configuration”.
6 LAN 1 For management network connection. When LAN redundancy is enabled, LAN 1
is used for both management, media and signaling network connection.
7 LAN 2 For media and signaling network connection. When LAN redundancy is enabled,
LAN 2 is the backup of LAN 1 port.
Polycom, Inc. 13
Regulatory Notices
Important Safeguards
Read and understand the following instructions before using the system:
● Close supervision is necessary when the system is used by or near children. Do not leave unattended
while in use.
● Only use electrical extension cords with a current rating at least equal to that of the system.
● Always disconnect the system from power before cleaning and servicing and when not in use.
● Do not spray liquids directly onto the system when cleaning. Always apply the liquid first to a static
free cloth.
● Do not immerse the system in any liquid or place any liquids on it.
● Do not disassemble this system. To reduce the risk of shock and to maintain the warranty on the
system, a qualified technician must perform service or repair work.
● Connect this appliance to a grounded outlet.
● Only connect the system to surge protected power outlets.
● Keep ventilation openings free of any obstructions.
● If the system or any accessories are installed in an enclosed space such as a cabinet, ensure that
the air temperature in the enclosure does not exceed 40°C (104° F). You may need to provide forced
cooling to keep the equipment within its operating temperature range.
● Do not use this product near water.
● Avoid using this product during an electrical storm. There may be a remote risk of electric shock from
lighting.
● Disconnect BOTH power cords to electrically isolate the system, and before removing any covers.
● Note: The appliance inlet can be used as the disconnect device.
● No user serviceable parts are contained within the device.
SAVE THESE INSTRUCTIONS.
Remarques importantes concernant la sécurité
Lisez les instructions suivantes et assurez-vous de bien les comprendre avant d'utiliser le système :
The device contains a lithium cell. Risk of explosion if battery is incorrectly replaced. Replace only with
the same or equivalent type recommended by the manufacture. Dispose of used batteries according to
the manufacturer’s instructions.
RealPresence Collaboration Server (RMX) 1800 Hardware Guide
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● Supervisez attentivement toute utilisation du système par ou près d'enfants. Ne laissez pas le
système fonctionner sans surveillance.
● N'utilisez que des rallonges électriques dont le courant nominal est supérieur ou égal à celui
du système.
● Débranchez toujours le système de la prise secteur avant de le nettoyer, de le dépanner et lorsque
vous ne l'utilisez pas.
● Ne vaporisez pas de liquides directement sur le système lorsque vous le nettoyez. Appliquez toujours
le liquide sur un tissu antistatique.
● Ne plongez jamais le système dans un liquide et ne posez jamais de liquide dessus.
● Ne démontez pas le système. Pour réduire tout risque d'électrocution et pour maintenir la garantie
du système, les travaux de maintenance et de réparation doivent être effectués par un
technicien qualifié.
● Branchez le système à une prise mise à la terre.
● Ne branchez ce système qu'à des prises protégées contre les surtensions.
● N'obstruez pas les orifices de ventilation de l'appareil.
● Si le système ou des accessoires sont installés dans un espace fermé tel qu'une armoire,
veillez à ce que la température de l'air ne dépasse pas 40°C (104° F). Pour maintenir la
température dans les limites d'utilisation du système, vous pourrez être amené à prévoir un système
de refroidissement forcé.
● N'utilisez pas ce produit près de l'eau.
● Évitez d'utiliser ce produit pendant un orage. La foudre pourrait causer des électrocutions,
même si le risque est faible.
● Avant de retirer un capot, débranchez les DEUX câbles d'alimentation pour séparer le système
de l'alimentation en électricité.
● Remarque : La prise d'entrée de l'appareil peut servir à le débrancher.
● Le système ne contient aucune pièce réparable par l'utilisateur.
CONSERVEZ CES INSTRUCTIONS.
Regulatory Notices
USA and Canadian Regulatory Notices
This Class [A] digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe [A] est conforme à la norme NMB-003 du Canada.
L'appareil contient une pile au lithium. Son remplacement par une pile de type incorrect peut
entraîner un risque d'explosion. Ne remplacez la pile que par un modèle identique ou équivalent,
conformément aux recommandations du fabricant. Mettez les piles usagées au rebut conformément
aux instructions du fabricant.
RealPresence Collaboration Server (RMX) 1800 Hardware Guide
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This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
This device may not cause harmful interference, and this device must accept any interference received,
including interference that may cause undesired operation.
EU Regulatory Notices
This Polycom RMX 1800 system has been marked with the CE mark. This mark indicates compliance with
EEC Directives 2006/95/EC and 2004/108/EC. A full copy of the Declaration of Conformity can be obtained
from Polycom Ltd, 270 Bath Road, Slough, Berkshire, SL1 4DX, UK.
Japan
この装置は、情報処理装置等電波障害自主規制協議会（ＶＣＣＩ）の基準
に基づくクラス A 情報技術装置です。 この装置を家庭環境で使用すると電波妨害を引き起こすことがあ
ります。 この場合には使用者が適切な対策を講ずるよう要求されることがあります。
Chinese
声明
此为 A 级产品，在生活环境中，该产品可能会造成无线电干扰。在这种情况下，可能需要用户对其干扰采
取切实可行的措施。
Korea
A 급 기기 ( 업무용 정보통신기기 )
이 기기는 업무용으로 전자파적합등록을 한 기기이오니
판매자 또는 사용자는 이 점을 주의 하시기 바라며 , 만약
잘못판매 또는 구입하였을 때에는 가정용으로 교환하시기바랍니다 .
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. 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 instruction 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 In accordance with part 15 of the
FCC rules, the user is cautioned that any changes or modifications not expressly approved by Polycom
Inc. could void the user’s authority to operate the equipment.
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