Jabra GN9120 DECT GAP User manual

Jabra GN9120 DECT GAP
How to connect my Jabra GN9120 EHS / GN9125 EHS with
Aastra 6753i, 6755i, 6757i
Prerequisite:
Jabra GN9120 EHS or GN9125 EHS + Jabra Link 14201-10 + Aastra
DHSG cable kit (only available from Aastra).
In combination with one of the following phones:
Aastra 53i / 55i / 57i / 57iCT
Aastra 6753i / 6755i / 6757i / 6757i CT
From phone firmware 2.5.1.2000 or higher.
Connection:
Aastra DHSG cable:
Insert the split end of the Aastra DHSG cable into your phone as follows.
1. Insert the RJ10 plug (marked green) into the “headset” socket and
the RJ45 plug (marked yellow) into the socket for the expansion
module. [Grün = green][Gelb = yellow]
2. Insert the 1-sided end of the Aastra DHSG cable marked in blue into
11/02/2024 08:12
https://www.emea.jabra.com/supportpages/jabra-gn9120/9120-49-21/faq/4dfffab0-
fb7f-42bd-90b7-d4d640831ed7
Page 1 of 4

the Aastra RJ45-RJ45 adapter.
3. Now insert the 1-sided end of the Jabra Link 14201-10 cable marked
“blue” into the free socket of the RJ45 adapter.
4. Insert the RJ10 plug into the socket with the complete “phone”
symbol and the RJ45 plug into the socket marked with "AUX" on the
GN9350 base.
EHS setup:
The Jabra GN912x must support and be set up to DHSG EHS.
You can check or set it up as follows:
1. Place the headset on the base.
2. Then press the PLUS and MINUS buttons simultaneously for 6
seconds until the online display on the headset starts to flash.
3. The base will now display to you the EHS currently installed. The
online light indicates "MSH", the pulsating light indicates "RHL", the
MUTE light "DHSG" and the battery display "AEI".
11/02/2024 08:12
https://www.emea.jabra.com/supportpages/jabra-gn9120/9120-49-21/faq/4dfffab0-
fb7f-42bd-90b7-d4d640831ed7
Page 2 of 4

4. With the PLUS or MINUS buttons, you can now switch between the
different EHS types. To confirm the EHS has successfully installed,
the phone automatically switches back to charge mode after approx.
10 seconds.
Base setup:
Set the phone set-up switch to "A"
Microphone level setup:
1. Please call someone with the headset.
2. On the headset, you must now simultaneously press the PLUS and
MINUS buttons which immediately produces a signal tone.
3. You can now increase the microphone volume with PLUS or decrease
it with MINUS.
11/02/2024 08:12
https://www.emea.jabra.com/supportpages/jabra-gn9120/9120-49-21/faq/4dfffab0-
fb7f-42bd-90b7-d4d640831ed7
Page 3 of 4

4. To confirm, after approx. 10 seconds a low signal tone sounds in the
headset in the background. The settings are then saved.
Phone setup:
With the version 2.5.1.2000, the DHSG mode is deactivated by default
and must be activated via the Aastra.cfg or mac.cfg with the command
dhsg: 1.
From version 2.5.2 Options > Default settings > Audio settings > DHSG >
On
Audio mode must be set in the in the phone settings to
“headset/speaker”: Options > Default settings > Audio settings > Audio
mode > Heads./Loudsp.
Unfortunately, Remote Call Control In combination with an expansion
button field is not supported!
11/02/2024 08:12
https://www.emea.jabra.com/supportpages/jabra-gn9120/9120-49-21/faq/4dfffab0-
fb7f-42bd-90b7-d4d640831ed7
Page 4 of 4