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Part 15 FCC Rules
Any Changes or modifications not expressly approved by the party responsible
for compliance could void the user's authority to operate the equipment.
This device is compliant 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.
IC Rules
''This product meets the applicable Innovation, Science and Economic Development
Canada technical specifications. / Ce produit répond à la innovation, des sciences et de
Développement économique Canada spécifications techniques applicables.”
''The Ringer Equivalence Number (REN) indicates the maximum number of devices allowed
to be connected to a telephone interface. The termination of an interface may consist of any
combination of devices subject only to the requirement that the sum of the RENs of all the
devices not exceed five. / Le nombre équivalent desonneries (REN) indique le nombre maximal
de terminaux qui peuvent être raccordés à une interfacetéléphonique. La terminaison d'une
interface peut consister en une combinaison de dispositifs, à la seule
condition que la somme des REN de tous les dispositifs ne dépasse pas cinq.''
DECT Repeater
RT20U
DECT Repeater RT20U User Guide
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Repeater
switch on
Set base station
in registration
mode
Repeater
DECT LED
is green
Ready for use
Base station
switch on
Handset enable
repeater mode
The flow diagrams of registration is shown below
:
DECT Repeater RT20U User Guide www.yealink.com
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RT20U
User Guide
USB Cable
Power Adapter
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Packaging Contents
The following items are included in your package:
Overview
Appearance Instructions
DECT LED
www.yealink.com
Power LED
Relay LED
1
Placement
To achieve optimum performance for the repeater, it is important to find a
good location.
DECT Repeater RT20U User Guide www.yealink.com
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1. Hold the handset and stand near the base.
2. Make a call, and carry the handset away from
the base.
3. Make a note where you start to hear noise on
the line, which indicates the signal is getting
weaker.
The optimum location for the repeater is as far from
the base as possible while still maintaining a good
signal, or just inside the location where the noise
became noticeable.
Here are a few tips for placing repeaters:
coverage area overlapping.
Registering the Repeater
Registration cannot be performed if the repeater is already registered to
one base station. In this case, de-register the repeater before attempting
registration. For more information, refer to “De-registration”.
Registration
1. Plug the repeater into a AC outlet.
2. Enable the repeater mode on the handset at the path: Settings->
System Settings->Repeater Mode.
3. Set base station in registration mode (Long press paging key on
the base station till the first LED flashes).
Note: You cannot set the base station in registration mode, if there are 5 handsets
registered on the base station.
Relay Connection
1. Place a call to the handset in repeater
Choose a raised position for both the base station and repeater
wherever possible.
When positioning the repeater, avoid obstacles that can interfere
with radio transmission such as thick wall and metal structures that
may be in the coverage area between the base station and repeater.
Avoid interference from other electrical appliances such as microwave ovens, Hi-Fi equipment, computers etc.
Keep a minimum of 10 meters between multiple repeaters to avoid
Power LED is green and DECT LED is slowly flashing red.
If base station is found, DECT LED will fast flash green.
When DECT LED is on, registration to base station is successful
(green: good DECT link).
Incoming call:
zone.The Relay LED on repeater is green.
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DECT Repeater RT20U User Guide www.yealink.com
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Status Power DECT
Relay
DECT link
Color
2. Accept the call.
The Relay LED on repeater is green till call is
finished.
Outgoing call:
1. Place a call using the handset in repeater zone.
The Relay LED on repeater is green till call is
finished.
De-registration
If you want to register the repeater to another base
station, de-register the repeater beforehand as
described below:
1. Plug the repeater into a AC outlet.
If the repeater is registered to a base station,
DECT LED is green.
2. Long press the reset key on the repeater.
DECT LED is slow flashing red after successful de-
registering the repeater, and the repeater is ready
for a new registration.
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LED Status
The DECT repeater has three LED indicators describing
the repeater statuses. The following table provides
instructions on repeater statuses and LED indications.
Power On Green Off Off
Base station found
Registered to base
station, ready for use
Active relay Green Green Green
Registered, but not
linked to base station
The DECT LED can indicate the DECT link quality. RT20U must be operated
with this LED in green status. The following table provides instructions on
DECT link quality and LED color.
Excellent to good Green
Medium Yellow
Poor Red
Green Fast flashing green Off
Green Green Off
Green Alternately fast green
– once red Flashing
Off
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Installation
To connect the power for the repeater:
Connect RT20U to a power outlet using the included cable and USB
1.
power adapter.
Not registered, auto
search base station
Green Slow flashing red Off
DECT Repeater RT20U User Guide www.yealink.com
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Wall
Note: The repeater should be used with Yealink original USB
power adapter (5V/0.6A) and the USB cable only. The use
of the third-party USB power adapter or USB cable may
cause the damage to the repeater.
Introduction
Yealink DECT repeater RT20U is designed in
accordance with Digital Enhanced Cordless
Telecommunication (DECT) standard. It can be
deployed to extend the range of the Yealink IP DECT
phone (e.g., W52P, W56P) to cover areas where
reception was previously not available. All the usual
handset functions are supported by the base station
in the extended radio range.
The repeater, base station and cordless handset
employ wireless connection. Signals are exchanged
without acoustical and visual differences.
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Multiple Repeaters
Up to 5 repeaters can be registered to one base station to extend available
reception range for all registered handsets. All repeaters must be installed
within the base station coverage area (up to 300m in unobstructed
outdoor areas and up to 50m inside buildings), as shown in the figure
below. It is not possible to install the repeaters in series or “daisy-chain”.
If the DECT link quality of RT20U is in excellent-to-good condition, you can
register up to 5 handsets to your base station and the base station can
handle a maximum of 4 calls at one time.
DECT Repeater RT20U User Guide www.yealink.com
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The repeater can be used to extend the coverage
range in all directions, allowing several floors to be
covered. The automatic handover process is seamless.
If the repeater is placed correctly (overlapping the
coverage area of the base station), the handsets can
move freely within the total coverage area while on a
call.
Compliance
FCC Notice
This device complies with part15 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.
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, there is
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, the user is encouraged to try to correct the interference by
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one or more of the following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
—Consult the dealer or an experienced radio/TV technician for help.
Any changes or modifications 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. Both the
Handset may be safely held against the ear of the user. The telephone base 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.
FCC RF Radiation Exposure Statement
This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled
environment.
For base unit it should be installed and operated with a minimum distance of 20 centimeters
between the radiator and your body..
CT Repeater RT20U User Guide www.yealink.com
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