Comrex ACCESS Bedienungsanleitung

Using

Comrex ACCESS

over BGAN

Version 1.0

15.01.2008

nmarsa

.com

gan

Whilst the information has been prepared by Inmarsat in good faith, and all reasonable efforts have been made to ensure its accuracy, Inmarsat makes no warranty or representation as to the accuracy,

completeness or fitness for purpose or use of the information. Inmarsat shall not be liable for any loss or damage of any kind, including indirect or consequential loss, arising from use of the information and all

warranties and conditions, whether express or implied by statute, common law or otherwise, are hereby excluded to the extent permitted by English law. INMARSAT is a trademark of the International Mobile

Contents

1Overview 1

2Product range 1

3Typical users 1

4Key Features 1

5Benefits to BGAN users 2

6Setting up 2

6.1 Step by step setup – EXPLORER 300/500/527 and 700. 2

6.2 Step by step setup – EXPLORER 110 (formerly Nera WorldPro 1010) 4

6.3 Step by step setup – Hughes 9201 6

6.4 ACCESS Portable configuration 6

6.5 Start your broadcast using ACCESS 7

6.6 Equipment needed 8

7BGAN customisation 8

8Hints and tips 8

9Technical summary 8

10 Further details and support 9

Using Comrex ACCESS over BGAN Page 1

1 Overview

Comrex ACCESS Stereo BRIC IP codecs offer high quality audio transmission over a wide variety

of wired and wireless IP circuits. Available in both Portable and Rackmount configurations,

ACCESS provides fully bi-directional mono, stereo and dual mono audio transmission with up to 20

kHz frequency response. Used with Inmarsat’s BGAN service, ACCESS allows users to transmit

broadcast quality audio from virtually any location on the planet.

2 Product range

BGAN terminals can be used with either the ACCESS Portable or the ACCESS Rackmount. The

ACCESS Portable, with integral user interface and battery power, is preferred for use with portable

BGAN terminals.

3 Typical users

Comrex ACCESS is in use around the world by radio broadcasters and governmental agencies in a

variety of applications ranging from outside broadcast of news, entertainment and sporting events,

station-to-transmitter links, as well as surveillance and “closed circuit” audio communications.

4 Key Features

Comrex ACCESS codecs offer the following main features over the BGAN network:

•20 Hz to 15 kHz frequency response, fully bidirectional audio using Inmarsat’s 32Kbps streaming

service.

•Built-in audio mixer interface with microphone preamp w/12V phantom power, headphone

output, line level input/output, volume controls.

•ACCESS Portable comfortably fits in the palm of your hand and includes rechargeable LiON

battery, good for seven hours of talk time.

•Optional “clip on” mixer provides an addition five mic inputs and headphone outputs.

•Optional HE-AAC algorithms provide up to 20 kHz audio using Inmarsat’s 64Kbps streaming

service.

Using Comrex ACCESS over BGAN Page 2

5 Benefits to BGAN users

Comrex ACCESS provides:

•Completely wireless transmission from virtually anywhere on Earth.

•A small, compact, handheld unit (less than 6 lbs./3 kg).

•15 kHz mono and stereo transmission using 32 kbps Streaming.

•Ability to be pre-configured for “Plug & Play” operation.

6 Setting up

This section describes how to set up BGAN for use with Comrex ACCESS and gives an example of

a typical configuration when using ACCESS with a BGAN terminal. Broadcast transmission was

tested over a standard 32 kbps Streaming connection using an EXPLORER™ 500. The audio

broadcast was transmitted to a terrestrial Internet address. The test showed that BGAN terminals

and the Inmarsat BGAN network work well as a transport media for the Comrex ACCESS IP

Codec. The test has also been carried out with the EXPLORER 110 and the Hughes 9201; it is

assumed to work as well with the EXPLORER™300, EXPLORER™527 and EXPLORER™700.

The ACCESS Portable, computer and BGAN terminal should be connected to a switch or directly

with Ethernet cables, as shown in the diagram above. The computer’s IP settings should be

configured for DHCP. The ACCESS IP settings are described below.

6.1 Step by step setup – EXPLORER 300/500/527 and 700.

The 32 kbps Streaming service should be initiated from the BGAN terminal, and can be configured

from either the EXPLORER’s built-in web server (via a laptop’s web browser), or using the LCD

interface on the terminal.

Note: Although the solution will work on the Standard IP connection type, there is no quality

guarantee, so Inmarsat recommends that you utilise the 32Kbps Streaming connection.

Using Comrex ACCESS over BGAN Page 3

The screenshot below shows the settings required as configured via the EXPLORER’s web server

interface. Please consult your EXPLORER manual for more detailed information.

Connecting to BGAN via the terminal’s LCD interface

For security reasons, a Streaming IP connection needs to be started manually. This is to ensure

that per minute charges do not inadvertently accrue when the EXPLORER terminal is switched on,

and allows you to more carefully monitor usage and connection time. The screenshot below shows

you how to set up using the EXPLORER’s LCD interface.

a. To initiate a connection from the LCD interface, go to the main view of the LCD.

Using Comrex ACCESS over BGAN Page 4

b. Press the arrow down button until the CONNECT menu displays.

c. Press OK. The following screen displays:

d. Select STREAMING 32, and press OK. The following screen displays:

e. Select START and press OK. The following screen displays:

f. Press OK to confirm the Streaming connection, and wait a minute or two to allow the

EXPLORER to register the Packet Switched connection with the BGAN system. After

registration the LCD main screen will show DATA ACTIVE, as shown below:

Now go to “ACCESS Portable configuration” on page 6.

6.2 Step by step setup – EXPLORER 110 (formerly Nera WorldPro 1010)

This section describes how to set up BGAN for use with Comrex ACCESS, and gives an example

of a typical configuration when using ACCESS with the EXPLORER 110 terminal.

This is a one-time configuration to set the terminal up so that it connects to the network

automatically. After the first time you only need to follow the instructions for “Connecting to BGAN”,

below.

The 32 kbps Streaming service should be initiated from the BGAN terminal, and needs to be

configured from the EXPLORER 110’s built-in web server (via a computer’s web browser).

Using Comrex ACCESS over BGAN Page 5

Note: Although the solution will work on Standard IP, there is no quality guarantee, so Inmarsat

recommends that you utilise the 32kbps Streaming connection.

To do this:

a. Open your internet web browser and type the following IP address in the address bar:

192.168.0.1

b. Now you should see the web server interface. On the left hand navigation select Data

connections.

c. Change the connection type by clicking the dropdown box and selecting Streaming 32 kbps.

d. Make sure Data Connection Activation is set to Automatic when any PC is connected to

the Nera WorldPro.

e. Before you exit the web interface make sure you click Store Settings.

Connecting to BGAN

You can connect to BGAN in two different ways - from the web server interface, or by using the

terminal’s front panel.

To use the front panel:

a. Power on the terminal by pressing and holding the ACTIVATE button for 1.5 seconds.

Using Comrex ACCESS over BGAN Page 6

b. Obtain a GPS fix.

c. Find the best signal.

d. Press the ACTIVATE button to automatically register to the network. Wait approx. 30 seconds

and you should be able to connect to the Internet. (If you have a Nera World Set, the display

shows Connected’)

Now go to “ACCESS Portable configuration” on page 6.

6.3 Step by step setup – Hughes 9201

The Access Portable uses the Automatic Context Activation (ACA) feature of the Hughes 9201 to

activate a PDP context after the terminal is registered with the BGAN Network.

The Access Portable cannot manually configure the Hughes 9201 to establish a PDP context. To

set up the Hughes 9201 to establish a PDP context automatically, simply change the Access

Portable IP address as follows:

a. Use the menu at the top of the screen on the Access Portable to select Network > Manage

Networks

b. Select Ethernet Port on the main screen, and click Configure at the bottom left of the screen

c. In the window that appears select the TCP/IP tab, and uncheck Acquire address

automatically (DHCP)

d. Set a static IP address between 192.168.128.210 to 192.168.128.219. Once the Access

Portable is ready to broadcast to the BGAN IP network, it will automatically open a 32kbps

Streaming IP data connection.

e. Set the Subnet mask to 255.255.255.0 and the gateway to 192.168.128.100 (default)

f. You may want to enter a DNS server (provided by your ISP), if you are calling an IP address

this is not needed.

g. Click Save

Connecting to BGAN

As with all the terminals, connect using an Ethernet cable.

a. If you need to acquire a new GPS then do so. Consult the ‘Getting started with Hughes 9201’

guide for more information. You have a new GPS when the GPS LED on the terminal is solid

green.

b. Press and hold the audio button for 3 seconds to register the terminal. The terminal is registered

once the GPS light goes out completely.

c. When you try making a call, the third LED from the right should start to flash. The data

connection is established when the signal strength light goes solid Green. If it goes red, it has

failed.

Now refer to “ACCESS Portable configuration” below.

6.4 ACCESS Portable configuration

No changes to the default Ethernet settings on the ACCESS Portable are required. Be sure that the

ACCESS is set for DHCP network addressing.

Using Comrex ACCESS over BGAN Page 7

6.5 Start your broadcast using ACCESS

Select the Remotes menu and then Manage Connections from the drop down menu to display the

Select Remote ACCESS Unit menu. This menu allows you to select from a number of pre-

configured connections, and simply press the green Connect button to initiate the transmission of

audio.

If a connection has not been pre-configured for your receiving “Studio” unit, simply select Add New

Remote from the Remotes drop down menu. The screen below displays, allowing you to enter the

information necessary to connect to the Studio unit. Please consult your ACCESS user’s manual

for a more detailed description of these functions.

Using Comrex ACCESS over BGAN Page 8

6.6 Equipment needed

•ACCESS Portable or ACCESS Rackmount Codec.

•BGAN terminal.

•Laptop computer with web browser.

•Multiport Ethernet switch.

•ACCESS Rackmount connected to the public Internet (studio side).

7 BGAN customisation

No BGAN customization is required.

8 Hints and tips

The following are best practice hints and tips to ensure you get the most from ACCESS over

BGAN:

•The BRIC-HQ2 algorithms that come standard with ACCESS provide broadcast quality mono

and stereo transmission when used with BGAN 32 kbps Streaming service.

9 Technical summary

Feature ACCESS rack mount ACCESS portable

Data connections RJ-45, RJ-11 (PSTN), USB,

Serial 9-pin, GPI 9-pin RJ-45, CardBus slot, USB,

Serial DIN, GPI DIN

Audio input connections Stereo balanced line level

XLR, AES3 XLR Mono balanced adjustable

mic/line XLR, unbalanced

stereo line level 1/8”(3mm),

unbalanced hands free

mobile 1/8” (3mm)

Audio output connections Stereo balanced XLR, AES3

XLR Unbalanced stereo

adjustable headphone 1/8”

(3mm), unbalanced stereo

line level 1/8” (3mm),

unbalanced hands free

mobile 1/8” (3mm)

Power connections IEC style, internal 110/220V

auto-switching DIN style, external 110/220V

auto-switching, rechargeable

LiON battery, 12V DC

connector (optional)

Display options Via web browser to

integrated web server, VGA

adapter on rear panel

Via web browser to

integrated web server,

integrated TFT display

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