Snom C52-SP User manual

C52-SP
DECT Expansion Speakerphone
Quick Installation Guide
Owen Ju | 17.01.2019 | Revision 1.0AW | C520_WIMI_US ver.
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Quick Installation Guide
C52-SP
DECT Expansion Speakerphone
Table of Contents
Copyright, Trademarks, Legal Disclaimers
3
Parts checklist 4
Speakerphone Layout 5
Install the battery 6
Connecting power to the C52-SP 6
Register the C52-SP 7
Register the C52-SP to a C620�����������������������7
Register the C52-SP to a C520�����������������������7
Deregister the C52-SP 8
Deregister the C52-SP from a C620������������8
Deregister the C52-SP from a C520������������8
Technical Specifications 9
Disposal of the device and batteries ����������9
Cleaning��������������������������������������������������������������������9
For C-UL compliance only 11
Mesures de sécurité importantes 11
FCC part 15 ������������������������������������������������������������14
Industry Canada��������������������������������������������������15

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Copyright, Trademarks, Legal Disclaimers
Copyright © 2019 Snom Technology GmbH� All Rights Reserved�
Snom, the names of Snom products, and Snom logos are trademarks owned by Snom
Technology GmbH�
All product specifications are subject to change without notification� Snom Technology
GmbH� reserves the right to revise and change this document at any time, without
being obliged to announce such revisions or changes beforehand or after the fact�
Although due care has been taken in the compilation and presentation of the
information in this document, the data upon which it is based may have changed in the
meantime� Snom therefore disclaims all warranties and liability for the accurateness,
completeness, and currentness of the information published, except in the case of
intention or gross negligence on the part of Snom or
where liability arises due to binding legal provisions�
Important Information
Please read the instructions on safety and disposal and on how to set up and use the
device before using it and also give them to other users to read or inform those users
of their contents� Save this manual and do not give the device to third parties without
it�

4
Parts checklist
Your product package contains the following items� Save your sales receipt and
original packaging in the event warranty service is necessary�
Owen Ju | 17.01.2019 | Revision 1.0AW | C520_WIMI_US ver.
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Owen Ju | 17.01.2019 | Revision 1.0AW | C520_WIMI_US ver.
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Wireless Speakerphone
Battery
Quick
Installation
Guide
C52-SP
Power Adapter

5
Speakerphone Layout
Owen Ju | 17.01.2019 | Revision 1.0AW | C520_WIMI_US ver.
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1
4
5
6
3
7
Microphone (four)
Speaker






/
• 
• 


• 
• 
• 
①Microphone (four)
②Speaker
③Multipurpose LEDs (four)
④During a call, press to mute or end mute all
microphones in the system�
⑤Press to answer or end a call�
⑥●Press to adjust the ringer volume�
●During a call, press to adust the listening volume�
⑦Charge
LED
●On when charging
●Off when charging is complete
●Flashes when battery is low
Not shown: REGISTRATION
button on underside�
• Press and hold to enter
registration mode (if the
speakerphone becomes
deregistered)�

6
Status Indicators – LED color and behavior
RED and GREEN
(alternating)
Flashing Ready for registration
GREEN On for 5 seconds Sucessfully registered
Steady Call Active, speaker on
Flashing Incoming call
Slow Flash Paged by base
RED On for 5 seconds Registration failed
Steady Microphone muted
Slow Flash Out of range, deregistered
ORANGE Steady Reset mode
On for 5 seconds Power on
Install the battery
• Risk of explosion! Batteries should not be exposed to excessive
heat such as bright sunlight or fire�
• Use only the supplied battery�
1� After removing the battery door, plug the battery connector securely into the
socket inside the battery compartment�
2� Place the battery into the battery compartment�
3� Attach the battery door until it clicks into place�
Connecting power to the C52-SP
1� Plug one end of the AC adapter into the power jack on the bottom of the unit�
2� Route the cord through the slots�
3� Plug the large end of the AC adapter into a wall outlet not controlled by a switch�
• The supplied power adapter is designed for use with only the C52-
SP� It is not designed to power other devices� Do not connect the
supplied power adapter to any other devices�
• The AC power cord is intended for a vertical or floor mount
position� The prongs are not designed to hold the plug in place if it
is plugged into a ceiling or cabinet outlet�

7
Register the C52-SP
You can register the C52-SP DECT Expansion Speakerphone to a C520 SIP Conference
phone or a C620 SIP Wireless Conference Phone�
Register the C52-SP to a C620
For auto registration of the C52-SP, no action is required�
If the administrator of the C52-SP unit decides to perform manual registration instead
of auto registration to a C620 system:
1� Press and hold the MUTE ALL button on the C52-SP unit for five seconds�
2� Press and hold the REGISTRATION button on the bottom of the C52-SP unit for
five seconds�
When you release the button, the C52-SP LEDs will flash red and green
alternatingly� This indicates the C52-SP is ready for registration�
3� Press and hold the LINK key on the C620 base unit for four seconds�
Registration shall begin�
Register the C52-SP to a C520
1� Place the C52-SP near the C520 SIP Conference phone�
2� Press and hold the REGISTRATION button on the bottom of the C52-SP unit for
five seconds�
When you release the button, the C52-SP LEDs will flash red and green
alternatingly� This indicates the C52-SP is ready for registration�
3� On the C520, press �
4� On the Main Menu, press qto select 3. User Settings, and then press �
5� On the User Settings menu, press qto select 6. Wireless speaker, and then
press �
6� On the Wireless Speaker menu, with 1. Register selected, press
The screen displays “Registering���”
• If registration is successful, the screen displays “Registration succeeded�”
The base unit plays a confirmation tone� The registered speakerphone LEDs
stop flashing red and green� The LEDs turn green briefly, and then turn off�
• If registration fails, the screen displays “Registration failed�”
7� Repeat steps 1 to 6 to register any additional wireless speakerphones�
You can register up to three C52-SP units to a C520�
To cancel registration, press �
For complete operating instructions, see the C52-SP User Manual�

8
Deregister the C52-SP
If you want to replace a C52-SP, you must deregister the speakerphones that are
registered to the telephone base� To make deregistration easier, read all of the
instructions below before you begin�
Deregister the C52-SP from a C620
1� Press �
2� On the Main Menu, press qto select Status & Settings, and then press �
3� On the Status & Settings menu, press qto select User settings, and then
press �
4� On the User Settings menu, press qto select Registration, and then press �
5� On the Registration menu, press qto select Deregistration, and then press �
6� On the Deregistration menu, press qto select WIRELESS SPE, and then
press �
7� Enter the PIN, and then press Next � Default PIN Is 1590�
The screen displays “WIRELESS SPE X is deregistered�”
8� To register a new C52-SP, follow the instructions in “Register the C52-SP�”
Deregister the C52-SP from a C520
1� Press �
2� On the Main Menu, press qto select 3. User Settings, and then press �
3� On the User Settings menu, press qto select 6. Wireless speaker, and then
press �
4� On the Wireless Speaker menu, press qto select 2. Deregister, and then
press �
The screen displays “Deregister all wireless speakers?”
5� Press Yes �
The screen displays “Deregistering���” and then “Wireless speakers are
deregistered�”
6� To register a new C52-SP, follow the instructions in “Register the C52-SP�”

9
Technical Specifications
Frequency control Crystal controlled PLL synthesizer
Transmit frequency 1921�536–1928�448 MHz
Channels 5
Nominal effective
range
Maximum power allowed by FCC and IC� Actual operating
range may vary according to environmental conditions at
the time of use�
Power requirements • Ni-MH Battery Pack (GP230AAHC6YMXZ); 7�2V;
2100mAH rechargeable battery
• Base unit adapter: Input: 100–240V AC 50/60Hz Output:
12V DC @ 1�0A
Disposal of the device and batteries
Disposal of electrical and electronic products and batteries should be done in line with
local regulations� Please contact local authorities for further information�
Cleaning
To clean the device, use an anti-static cloth� Please avoid cleaning liquids as they
might damage the surface or internal electronics of the device�

10
Important safety instructions
When using your C52-SP DECT Expansion Speakerphone, basic safety precautions
should always be followed to reduce the risk of fire, electric shock and injury to
persons, including the following:
1� Read and understand all instructions�
2� Follow all warnings and instructions marked on the product�
3� Unplug this product from the wall outlet before cleaning� Do not use liquid or
aerosol cleaners� Use a damp cloth for cleaning�
4� Do not use this product near water such as near a bathtub, wash bowl, kitchen
sink, laundry tub or swimming pool, or in a wet basement or shower�
5� Do not place this product on an unstable table, shelf, stand or other unstable
surfaces�
6� Slots and openings in the back or bottom of the base unit and wireless mic are
provided for ventilation� To protect them from overheating, these openings must
not be blocked by placing the product on a soft surface such as a bed, sofa or rug�
This product should never be placed near or over a radiator or heat register� This
product should not be placed in any area where proper ventilation is not provided�
7� This product should be operated only from the type of power source indicated on
the marking label� If you are not sure of the type of power supply in your office,
consult your dealer or local power company�
8� Do not allow anything to rest on the power cord� Do not install this product where
the cord may be walked on�
9� Never push objects of any kind into this product through the slots in the base unit
or wireless mic because they may touch dangerous voltage points or create a
short circuit� Never spill liquid of any kind on the product�
10� To reduce the risk of electric shock, do not disassemble this product, but take it
to an authorized service facility� Opening or removing parts of the base unit or
wireless mic other than specified access doors may expose you to dangerous
voltages or other risks� Incorrect reassembling can cause electric shock when the
product is subsequently used�
11� Do not overload wall outlets and extension cords�
12� Unplug this product from the wall outlet and refer servicing to an authorized
service facility under the following conditions:
A� When the power supply cord or plug is damaged or frayed�
B� If liquid has been spilled onto the product�
C� If the product has been exposed to rain or water�
D� If the product does not operate normally by following the operating
instructions� Adjust only those controls that are covered by the operation
instructions� Improper adjustment of other controls may result in damage
and often requires extensive work by an authorized technician to restore the
product to normal operation�

11
E� If the product has been dropped and the base unit and/or wireless mic has been
damaged�
F� If the product exhibits a distinct change in performance�
13� Avoid using the C52-SP DECT Expansion Speakerphone during an electrical storm�
There is a remote risk of electric shock from lightning�
14� Do not use the C52-SP DECT Expansion Speakerphone to report a gas leak in the
vicinity of the leak� Under certain circumstances, a spark may be created when
the adapter is plugged into the power outlet, or when the wireless mic is replaced
in its cradle� This is a common event associated with the closing of any electrical
circuit� The user should not plug the phone into a power outlet, and should not
put a charged wireless mic onto the charging cradle, if the phone is located in an
environment containing concentrations of flammable or flame-supporting gases,
unless there is adequate ventilation� A spark in such an environment could create
a fire or explosion� Such environments might include: medical use of oxygen
without adequate ventilation; industrial gases (cleaning solvents; gasoline vapors;
etc�); a leak of natural gas; etc�
15� The power cables are intended to be correctly oriented in a vertical or floor mount
position� The prongs are not designed to hold the plug in place if it is plugged into a
ceiling or cabinet outlet�
16� For pluggable equipment, the socket-outlet shall be installed near the equipment
and shall be easily accessible�
17� CAUTION: Use only the batteries indicated in this manual� There may be a risk of
explosion if a wrong type of battery is used� Use only the supplied rechargeable
battery or replacement battery pack� Do not dispose of batteries in a fire� They may
explode� Dispose of used battery according to the information in The RBRC®seal�
18� Use only the adapter included with this product� Incorrect adapter polarity or
voltage can seriously damage the product�
SAVE THESE INSTRUCTIONS
For C-UL compliance only
Mesures de sécurité importantes
Vous devez toujours observer des mesures de précaution lorsque vous utilisez le
Téléphone DECT à haut-parleur mains libres d’extension C52-SP, afin d’éviter les
risques d’incendie, d’électrocution et de blessures, incluant ce qui suit :
1� Lisez et comprenez bien toutes les instructions�
2� Observez toutes les instructions et mises en garde inscrites sur l’appareil�
3� Débranchez ce téléphone de la prise murale avant de le nettoyer� N’utilisez pas
de nettoyeurs liquides ni en aérosol� N’utilisez qu’un chiffon doux et légèrement
humecté�

12
4� N’utilisez pas ce produit près de l’eau, tel que près d’un bain, d’un lavabo, d’un évier
de cuisine, d’un bac de lavage ou d’une piscine, ou dans un sous-sol humide ou
sous la douche�
5� Ne déposez pas ce téléphone sur un chariot, support ou table chancelants�
L’appareil pourrait tomber et être sérieusement endommagé�
6� Les ouvertures situées à l’arrière ou sous le socle et le microphone sans fil servent
à la ventilation� Afin d’empêcher la surchauffe, ces ouvertures ne doivent pas être
obstruées en plaçant l’appareil sur un lit, divan, tapis ou autre surface similaires�
Ne placez pas cet appareil à proximité d’un élément de chauffage ni d’une plinthe
électrique� De plus, ne l’installez pas dans une unité murale ou un cabinet fermé
qui ne possède pas d’aération adéquate�
7� Ne faites fonctionner cet appareil qu’avec le type d’alimentation indiqué sur les
étiquettes de l’appareil� Si vous ne connaissez pas le voltage de votre maison,
consultez votre marchand ou votre fournisseur d’électricité�
8� Ne déposez rien sur le cordon d’alimentation� Installez cet appareil dans un
endroit sécuritaire, là où personne ne pourra trébucher sur la ligne d’alimentation
ni le cordon téléphonique modulaire�
9� N’enfoncez jamais d’objets dans les fentes du socle ou du microphone sans fil,
car ceci risquerait d’entrer en contact avec des points de tension dangereux ou
provoquer un court-circuit� N’échappez pas de liquides dans l’appareil�
10� Afin de réduire les risques d’électrocution, ne démontez pas l’appareil, mais
apportez-le plutôt à un centre de service qualifié s’il doit être réparé� L’ouverture
ou le retrait de pièces du socle ou du microphone sans fil autre que les portes
d’accès peuvent vous exposer à des tensions dangereuses et à d’autres risques�
Débranchez l’appareil avant de procéder au nettoyage� Utilisez un chiffon humide
et doux�
11� Ne surchargez pas les prises de courant et les rallonges�
12� Débranchez cet appareil de la prise de courant et communiquez avec le
département de service à la clientèle de Snom dans les cas suivants :
A� Lorsque le cordon d’alimentation est endommagé ou écorché�
B� Si du liquide a été échappé dans l’appareil�
C� Si l’appareil a été exposé à une source d’humidité telle que la pluie ou l’eau�
D� Si le produit ne fonctionne pas normalement en respectant les instructions
de fonctionnement� Réglez uniquement les commandes indiquées dans
le les instructions de fonctionnement� Les réglages incorrects des autres
commandes pourraient provoquer un dommage qui pourrait exiger un travail
exhaustif de la part d’un technicien autorisé afin de rétablir le fonctionnement
normal de l’appareil�
E� Si le produit a été échappé et que le socle et/ou le microphone sans fil a été
endommagé�
F� Si le produit affiche une nette diminution de sa performance�
13� Évitez d’utiliser le Téléphone DECT à haut-parleur mains libres d’extension C52-SP

13
pendant un orage�
14� N’utilisez pas le Téléphone DECT à haut-parleur mains libres d’extension C52-SP
pour rapporter une fuite de gaz à proximité de la fuite� En certaines circonstances,
une flammèche pourrait être provoquée lorsque l’adaptateur est branché dans
une prise de courant ou lorsque le microphone auxiliaire est déposé sur son socle�
Ceci est un événement commun associé à la fermeture d’un circuit électrique�
L’utilisateur ne doit pas brancher le téléphone dans une prise de courant ni insérer
un microphone sans fil rechargé dans le socle, si le téléphone se trouve dans
un environnement contenant des concentrations de matières inflammables ou
autres gaz susceptibles de produire des flammes, sauf en présence d’une aération
adéquate� Une flammèche dans un tel endroit pourrait provoquer un incendie
ou une explosion� De tels environnements peuvent comprendre: des endroits où
l’on utilise de l’oxygène médical sans ventilation adéquate; des gaz industriels
(dissolvants de nettoyage, des vapeurs d’essence, etc�); une fuite de gaz naturel,
etc�
15� Ces adaptateurs ont été conçus pour être orientés en position verticale ou montés
au sol� Les broches ne sont pas conçues pour maintenir l’adaptateur en place si
celui-ci est barnché dans une prise au plafond ou sous une table/ armoire�
16� Pour les PRODUITS À BRANCHER À UNE PRISE DE COURANT, la prise de courant
doit être installée près du produit, afin d’assurer une accessibilité sécuritaire à la
prise de courant�
17� MISE EN GARDE : Il peut y avoir un risque d’explosion si vous utilisez le mauvais
type de piles� N’utilisez que le bloc-piles rechargeable inclus ou le bloc-piles de
rechange� N’incinérez pas les piles� Celles-ci risqueraient d’exploser� Jetez les piles
usées selon les renseignements suivant le sceau du RBRCMD�
18� N’utilisez que les adaptateurs inclus avec ce produit� L’utilisation d’un
adaptateur dont la polarité ou la tension serait inadéquate risque d’endommager
sérieusement le produit et mettre votre sécurité en péril�
CONSERVEZ CES INSTRUCTIONS

14
Compliance
FCC part 15
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� Privacy of communications may not be ensured when using this phone�
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC rules� These limits are designed to provide
reasonable protection against harmful interference in a residential installation� This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio
communications� However, thereis no guarantee that interference will not occur in a
particular installation; if this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on,
you are encouraged to try to correct the interference by one or more of the following
measures:
• Reorient or relocate the receiving television or radio antenna�
• Increase the separation between the telephone equipment and the receiver�
• Connect the telephone equipment into an outlet on a circuit different from that to
which the television, radio or other receiver is connected�
• Consult the dealer or an experienced Radio/TV Technician for help�
Changes or modifications to this equipment not expressly approved by the party
responsible for compliance could void the user’s authority to operate the equipment�
To ensure safety of users, the FCC has established criteria for the amount of radio
frequency energy that can be safely absorbed by a user or bystander according to the
intended usage of the product� This product has been tested and found to comply with
the FCC criteria� The wireless microphone may be safely held against the face of the
user� The base unit shall be installed and used such that parts of the user’s body other
than the hands are maintained at a distance of approximately 20 cm (8 inches) or more�

15
Industry Canada
This Class B digital apparatus complies with Canadian requirements:
CAN ICES-3 (B)/NMB-3(B)� Cet appareil numérique de la classe B est conforme à la
norme CAN ICES-3 (B)/NMB-3(B) du Canada�
This device contains licence-exempt transmitter(s)/receiver(s) that comply with
Innovation, Science and Economic Development Canada’s licence-exempt RSS(s)�
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interference
that may cause undesired operation of the device�
Privacy of communications may not be ensured when using this telephone�
The term ‘’IC:‘’ before the certification/registration number only signifies that the
Industry Canada technical specifications were met�
This product meets the applicable Innovation, Science and Economic Development
Canada technical specifications�

VTECH COMMUNICATIONS, INC�
Tigard, Oregon 97223, USA�
Copyright © 2019 Snom Technology GmbH� All Rights Reserved�
v2019004 Version 10/19