DECT Repeater
RT20
User Guide (V1.0)
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DECT Repeater RT20 User Guide
The following items are included in your package:
Packaging Contents
RT20
User Guide
Overview
DECT LED
Appearance Instructions
Relay LEDPower LED
Reset Key
Power Plug
Power Plug
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Introduction
Yealink DECT repeater RT20 is designed in accordance with Digital
Enhanced Cordless Telecommunication (DECT) standard. It can be
deployed to extend the range of the W52P/W56P IP DECT phone 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.
To connect the power for the repeater:
Installation
1. Plug the repeater into a AC outlet.
LED Status
RelayStatus
Power
DECT
Power On
Not registered, auto
search base station
Base station found
Registered to base
station, ready for use
Active relay
Registered, but not
linked to base station
Green
Green
Green
Green
Green
Green
Alternately fast green
– once red Flashing
Fast flashing green
Slow flashing red
Off
Green
Green
Off
Off
Off
Off
Green
Off
The DECT repeater has three LED indicators describing the repeater
statuses. The following table provides instructions on repeater statuses and
LED indications.
The DECT LED can indicate the DECT link quality. RT20 must be operated
with this LED in green status. The following table provides instructions on
DECT link quality and LED color.
DECT Repeater RT20 User Guide
Medium
Poor
Yellow
Red
DECT link Color
Excellent to good
Green
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Registering the Repeater
Registration
Before registering the repeater, you need to enable the repeater mode on
the handset. For more information on how to enable the repeater mode,
refer to Yealink phone-specific user guide.
Note: 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”.
1. Plug the repeater into a AC outlet.
Power LED is green and DECT LED is slowly flashing red.
2. Set base station in registration mode (Long press paging key on the base
station till the first LED flashes).
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:
The Relay LED on repeater is green.
The Relay LED on repeater is green till call is finished.
The Relay LED on repeater is green till call is finished.
Relay Connection
Outgoing call:
1. Place a call to the handset in repeater zone.
2. Accept the call.
1. Place a call using the handset in repeater zone.
De-registration
1. Plug the repeater into a AC outlet.
If you want to register the repeater to another base station, de-register the
repeater beforehand as described below:
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.
DECT Repeater RT20 User Guide
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 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.
If the DECT link quality of RT20 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.
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.
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The flow diagrams of registration is shown below:
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
Placement
To achieve optimum performance for the repeater, it is important to find a
good location.
Here are a few tips for placing repeaters:
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 micro-wave
ovens, Hi-Fi equipment, computers etc.
Keep a minimum of 10 meters between multiple repeaters to avoid
coverage area overlapping.
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.
DECT Repeater RT20 User Guide
Register the RT20 to base station
within the “good” signal range.
Make a call, then
walk away from the
base to determine
the signal range.
Strong signal
range
Good signal
range
Week signal
range
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