D&R GSM HYBRID User manual

GSM HYBRID
MANUAL
v1.1
D&R Electronica B.V., Rijnkade 15B, 1382GS Weesp, The Netherlands
Phone: [phone], Fax: [phone], Website: http://www.d-r.nl, E-Mail: [email protected]

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Contents
1 BACKGROUND ............................................................................................................................................................ 4
1.1 W HAT IS A TELEPHONE HYBRID ?.................................................................................................................................. 4
2 GENERAL DESCRIPTION ........................................................................................................................................... 5
2.1 F RONT PANEL ........................................................................................................................................................... 5
2.2 R EAR PANEL ............................................................................................................................................................. 5
2.3 I NPUTS AND O UTPUTS ................................................................................................................................................ 6
3 SOFTWARE .................................................................................................................................................................. 7
3.1 I NSTALLATION .......................................................................................................................................................... 8
3.2 F EATURES .............................................................................................................................................................. 12
3.3 S ETTINGS ............................................................................................................................................................... 15
4 GETTING STARTED .................................................................................................................................................. 16
4.1 H ARDWARE S ETUP .................................................................................................................................................. 16
4.2 M AKING CALLS ....................................................................................................................................................... 17
4.3 R ECEIVING CALLS .................................................................................................................................................... 17
5 SPECIFICATIONS ...................................................................................................................................................... 18
5.1 A UDIO I NPUT (SEND).............................................................................................................................................. 18
5.2 A UDIO O UTPUT (RECEIVE)..................................................................................................................................... 18
5.3 G ENERAL ............................................................................................................................................................... 18
6 DIMENSIONS ............................................................................................................................................................. 19
7 SUMMARY ................................................................................................................................................................. 19
8 ELECTROMAGNETIC COMPATIBILITY ................................................................................................................ 20
9 DECLARATION OF CONFORMITY.......................................................................................................................... 20
10 PRODUCT SAFETY ................................................................................................................................................ 21
11 CAUTION................................................................................................................................................................ 21

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Dear Client,
Thank you for choosing the D&R GSM Hybrid.
This time you are not faced ith a huge manual because it is simply not necessary because of the natural recognition of
all functions on the user interface. All functions are self-explanatory and you ill certainly appreciate the ergonomics of
this design.
We are confident that you ill be using the GSM Hybrid for many years to come, and ish you a lot of success ith
your operation.
With kind regards,
Duco de Rijk
MD

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1BACKGROUND
D&R’s ne est Telephone Hybrid is a half rack GSM version in the range of Telephone Hybrids. Its concept originates from many
demands for a ireless version of our ell kno n and used ired hybrids. The GSM-Hybrid is a design that makes use of the
latest analogue and digital techniques available.
1.1 What is a telephone hybrid?
Telephone hybrids provide the interface bet een professional audio equipment and the public telephone net ork. They
provide protection for your equipment and the public telephone lines, allo ing for varying line signals and line and GSM
conditions. Automatically canceling out the un anted signal they also facilitate t o- ay communication do n a single
telephone connection.
With the D&R GSM Hybrid you can add a simple and effective ireless interface that your reporters can call. With features like
HD voice, Echo canceling, digital EQ and application control over USB on your PC it is a nice tool to expand the communication
possibilities of your studio ith your reporters in the field.
The GSM Hybrid has its o n number reporters directly can dial, the call can be taken on the mixing console due to built in
GPIO’s. The electronics are housed in a sturdy metal 9.5” rack mount case ith antenna’s on the front side for optimum
receiver conditions. An external 12 volt po er supply adapter is part of the delivery. Soft are features are in and output
metering and level control, phone dialing, number recognition and GSM signal strength indication

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2GENERAL DESCRIPTION
A large ring button enables you to pick up the line from the unit itself or from your mixer hen it is connected via its GPI to the
telephone Hybrid. When a call comes in it lights up green in the rhythm of the ring. When the line is picked up by pushing the
button it turns into red. When it is off the connection is lost. Both levels of receive and send can be adjusted to suit your
requirements in the mixer.
FEATURES SOFTWARE
•HD-Voice (AMR-WB/G722.2)
•B l nced Audio in/Out
•Echo c ncelling
•PC control pplic tion vi USB
•Input nd output level meters (ppm)
•Input nd output g in djust
•Phone di ling
•Number recognition
•GSM sign l strength indic tor (RSSI)
2.1 Front panel
Antenn Both antenna's assure you of an uninterrupted connection ith the nearest GSM to er.
SIM C rd In this slot you insert a mini sim card available from your favorite provider
CONNECT BUTTON:
(RING)
Connect s itch to connect and disconnect calls from the GSM net ork.
It can be remotely driven by connecting a s itch to the GPI Jack on the backpanel.
2.2 Rear panel
Power The unit is po ered by an External 12 volt 1A adapter.
USB This USB connector is connected to the PC to be able to perform call operations and
configuring the device.
RECEIVE This male XLR connector outputs the received signal from the caller and needs to be
connected to a line input of a mixing console.

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SEND This female XLR connector receives the audio coming from a mixing console (Mix/Minus,
clean feed (N-1) or Aux) and is send to the caller.
GPO Jack connector for remote control of a phone signaling device such as D&R's Calllite
GPI Remote control of the Connect s itch (Rink/Hook) on the frontpanel.
2.3 Inputs and Outputs
2.3.1 RECEIVE (from caller)
XLR MALE TYPE CONNECTION
Pin 1 Screen Audio ground
Pin 2 Phase Audio + (output)
Pin 3 Non-phase Audio – (output)
2.3.2 SEND (to caller)
XLR MALE TYPE CONNECTION
Pin 1 Screen Audio ground
Pin 2 Phase Audio + (output)
Pin 3 Non-phase Audio – (output)
2.3.3 GPIO
GPO FUNCTION CONNECTION
Tip Pull do n 47 ohm to ground
Ring Pull up +5 volt via 10kohm
Sleeve No Not connected
GPI FUNCTION CONNECTION
Tip Pull do n 47 ohm to ground
Ring Pull up +5 volt via 10kohm
Sleeve No Not connected

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3SOFTWARE
GSM Hybrid Control is an application required to configure and control the GSM Hybrid. Input and output
levels can be configured in the Settings menu. Making a call can be done ith the dialpad indo .
The application is also an indicator for SIM card status, call status and input and output level (PPM) meters.

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3.1 Installation
1. Do nload the GSM Hybrid Control soft are from:
http://www.d-r.nl/wiki/dokuwiki/doku.php?id=software:start
2. Double click on the installer file (GSM Hybrid Control Vx.x.x.x – Setup.exe) and click Next.
3. Select the destination location here GSM Hybrid Control should be installed and press Next.

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4. Select a start menu folder for the program’s shortcut and click Next.
5. Select if a desktop icon should be placed on your desktop and press Next.

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6. Press Install to start ith the installation.
7. Wait hile the setup installs all the required files on your computer.