u-blox C101-D9S User manual

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enables

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C101-D9S

Application board (rev. C)

User guide

Abstract

This document explains the use of C101-D9S application board. The C101-D9S board
customers to evaluate L-band GNSS correction services with the NEO-D9S correction data receiver

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Document information

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Title C101-D9S

C101-D9S - User guide

Subtitle

Document type

Application board (rev. C)

User guide

Document number UBX-20031865

Revision and date

R01 30-Jul-2020

Disclosure restriction C1-Public

This document applies to the following products:

Product name Type number Firmware version PCN reference

C101-D9S C101-D9S-0-00 FW V1.04 PMP 1.04 N/A

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-blox AG.

-blox.com.

of u-blox.

-blox assumes no liability for its use. No warranty, either express or

to, with respect to the accuracy, correctness, reliability and fitness for a particular

-blox at any time without notice. For the most recent

C101-D9S - User guide

Contents

Document information ................................................................................................................................ 2

Contents .......................................................................................................................................................... 3

1 Introduction ............................................................................................................................................. 4

1.1 Package contents ....................................................................................................................................... 4

2 C101-D9S product overview .............................................................................................................. 5

2.1 Components ................................................................................................................................................. 5

2.2 Jumpers ........................................................................................................................................................ 6

3 C101-D9S standalone operation ...................................................................................................... 7

Appendix .......................................................................................................................................................... 9

A Glossary .................................................................................................................................................... 9

B NEO-D9S L-band configurations ...................................................................................................... 9

C L-band antenna specification ............................................................................................................ 9

D NEO-D9S UART2 to Arduino pins .................................................................................................. 10

E C101-D9S schematics ...................................................................................................................... 11

Related documentation ........................................................................................................................... 14

Revision history .......................................................................................................................................... 14

Contact .......................................................................................................................................................... 15

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C101-D9S - User guide

1 Introduction

The C101-D9S board is a convenient tool that allows customers to become familiar with the u-blox
NEO-D9S L-band correction data receiver. The board provides facilities for evaluating the product and
demonstrating its key features.

NEO-D9S is a satellite data receiver for L-band correction broadcasts and can be configured for use
with a variety of correction services. Using such correction services enables high precision navigation
globally in multiple regions, as well as coverage across continents.

The C101-D9S application board offers:

• NEO-D9S module for use as L-band correction data receiver

• USB connection for communication and power supply

• L-band antenna connection for receiving the satellite data stream

• Arduino shield connection

1.1 Package contents

The delivered package contains:

• C101-D9S board

• L-band antenna

• Antenna ground plane (12 cm circular)

• USB interconnect cable

• Jumper connectors

Prior to using the board, it is useful to download the appropriate evaluation software and keep handy
the documents listed in the Related documents section.

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2 C101-D9S product overview

2.1 Components

C101-D9S houses the NEO-D9S L-band correction data receiver. The board is powered from the USB
cable connection or via Arduino shield. The main components of the board are listed below and shown
in Figure 1 and Figure 2:

• Native USB port

• FTDI USB bridge

• SMA RF connector and antenna supply capability (L-band)

• UART2 interface through Arduino shield

• NEO-D9S RESET button

• NEO-D9S SAFEBOOT button

Figure 1: C101-D9S block diagram

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Figure 2: C101-D9S quick start basic overview

C101-D9S - User guide

2.2 Jumpers

The board is delivered with the following default jumpers:

• J6: This jumper provides 3.3 V power supply to an external active antenna plugged to the SMA RF
connector. The current limit circuit is also enabled up to 60 mA.

• J8: This jumper switches the communication from the UART2 of the NEO-D9S to the J2 or J3
connector of the Arduino shield (refer to Appendix D for further details).

Figure 3: C101-D9S jumpers overview

For further details, see the C101-D9S schematic in Appendix E.

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3 C101-D9S standalone operation

This section provides some quicksteps to enable NEO-D9S standalone operation, and connecting via
u-center (see u-center user guide [3]).

• Connect the supplied L-band antenna to the RF SMA connector. Ensure good visibility of the GEO
communication satellites.

• Connect the USB to a Windows PC, this will power the board. The FTDI and USB drivers will be
installed automatically from Windows Update when the user connects the board for the first time.

• The power LED will turn on in blue color.

• Start the Device Manager utility from Windows. Two new ports will be visible under the Ports tab:

the USB Serial Device is the Native USB port and the USB Serial Port is the FTDI USB bridge port,
as shown in Figure

Figure 4: Windows Device Manager Ports identifications

4.

Figure 5: FTDI USB bridge and USB ports properties

• Start u-center and connect to one of the COM ports. If you are using the FTDI USB bridge, make
sure the baud rate in u-center is set to 9600.

• Poll UBX-MON-VER message and check the content as shown in Figure

6.

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Figure 6: UBX-MON-VER message

NEO-D9S needs to be properly configured to receive the L-band signal correction data. See Appendix
B for the default NEO-D9S L-band configuration, which can be adapted for other services.

The messages UBX-MON-PMP and UBX-RXM-PMP (see Figure 7 and Figure 8) can be polled or
enabled to check respectively the reception of the signal and the decoded correction data.

Figure 7: UBX-MON-PMP message

Figure 8: UBX-RXM-PMP message

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Appendix

A Glossary

Abbreviation Definition

FTDI Future Technology Device International

GEO Geostationary Earth Orbit

LED Light Emitting Diode

LNA Low Noise Amplifier

RF Radio Frequency

RHCP Right Hand Circular Polarized

SMA SubMiniature version A

UART Universal Asynchronous Receiver Transmitter

USB Universal Serial Bus

Table 1: Explanation of the abbreviations and terms used

C101-D9S - User guide

B NEO-D9S L-band configurations

Correction services from several providers are available via the L-band communication satellites. The

service provider will have several correction service specific configurations that need to be configured

before the receiver can provide the relevant service provider data such as:

• Service provider service ID

• Service provider frequency based on geographical location

• Service provider data rate

This means that the frequency allocation for a particular service provider could change. Service
providers do provide information on any frequency changes when required.

The NEO-D9S default L-band configuration keys are listed below:

• CFG-PMP-CENTER_FREQUENCY = 1539812500 Hz

• CFG-PMP-SEARCH_WINDOW = 2200 Hz

• CFG-PMP-USE_SERVICE_ID = 1 (true)

• CFG-PMP-SERVICE_ID = 50821

• CFG-PMP-DATA_RATE = 2400 (B2400) bps

• CFG-PMP-USE_DESCRAMBLER = 1 (true)

• CFG-PMP-DESCRAMBLER_INIT = 23560

• CFG-PMP-USE_PRESCRAMBLING = 0 (false)

• CFG-PMP-UNIQUE_WORD = 16238547128276412563

The NEO-D9S correction data receiver is fully compliant with the u-blox configuration concept. The
messages UBX-CFG-VALSET, UBX-CFG-VALGET and UBX-CFG-VALDEL are used to configure the
above keys. See the NEO-D9S Integration manual [1] for further details.

C L-band antenna specification

The following is an overview of the provided Inpaq L-band antenna, LBAND01D-S6-00:

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C101-D9S - User guide

See the NEO-D9S Integration manual [1] for further details.

D NEO-D9S UART2 to Arduino pins

Depending on the position of the jumper J8 on the C101-D9S board, communication with the UART2
port of the NEO-D9S is enabled on the Arduino connector pins as shown below:

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The communication takes place through the
pins 1 and 2 of the J2 connector:

The communication takes place through the
pins 1 and 2 of the J3 connector:

Figure 9 shows the placement of the Arduino connectors on the C101-D9S board.

Figure 9: C101-D9S Arduino connectors

E C101-D9S schematics

The following pages show the complete schematics for the C101-D9S evaluation board.

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C101-D9S - User guide

Related documentation

[1] NEO-D9S Integration manual, UBX-19026111
[2] ZED-F9P Integration manual, UBX-18010802
[3] u-center User guide, UBX-13005250

☞ For product change notifications and regular updates of u-blox documentation, register on our

website, www.u-blox.com.

Revision history

Revision Date Name Comments

R01 30-Jul-2020 dama Initial release

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