Telit Wireless Solutions LN940 WWAN M.2 Manual de usuario

LN940 WWAN M.2

Engineering User Guide

Rev. 1.0 – 2017-06-23

SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE

NOTICE

While reasonable efforts have been made to assure the accuracy of this

document, Telit assumes no liability resulting from any inaccuracies or omissions

in this document, or from use of the information obtained herein. The information

in this document has been carefully checked and is believed to be reliable.

However, no responsibility is assumed for inaccuracies or omissions. Telit

reserves the right to make changes to any products described herein and

reserves the right to revise this document and to make changes from time to

time in content hereof with no obligation to notify any person of revisions or

changes. Telit does not assume any liability arising out of the application or use

of any product, software, or circuit described herein; neither does it convey

license under its patent rights or the rights of others.

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announced in your country. Such references or information must not be

construed to mean that Telit intends to announce such Telit products,

programming, or services in your country.

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COMPUTER SOFTWARE COPYRIGHTS

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copyrights, patents or patent applications of Telit or other 3rd Party supplied SW,

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USAGE AND DISCLOSURE RESTRICTIONS

I. License Agreements

The software described in this document is the property of Telit and its licensors.

It is furnished by express license agreement only and may be used only in

accordance with the terms of such an agreement.

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prior written permission of Telit

III. High Risk Materials

Components, units, or third-party products used in the product described herein

are NOT fault-tolerant and are NOT designed, manufactured, or intended for use

as on-line control equipment in the following hazardous environments requiring

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Aircraft Communication Systems, Air Traffic Control, Life Support, or Weapons

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The software may include Third Party Right software. In this case you agree to

comply with all terms and conditions imposed on you in respect of such separate

software. In addition to Third Party Terms, the disclaimer of warranty and

limitation of liability provisions in this License shall apply to the Third Party Right

software.

TELIT HEREBY DISCLAIMS ANY AND ALL WARRANTIES EXPRESS OR

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ANY THIRD PARTY MATERIALS INCLUDED IN THE SOFTWARE, ANY

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(COLLECTIVELY “OTHER CODE”), AND THE USE OF ANY OR ALL THE

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(WITHOUT LIMITATION) ANY WARRANTIES OF SATISFACTORY QUALITY

OR FITNESS FOR A PARTICULAR PURPOSE.

NO THIRD PARTY LICENSORS OF OTHER CODE SHALL HAVE ANY

LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

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LIMITATION LOST PROFITS), HOWEVER CAUSED AND WHETHER MADE

UNDER CONTRACT, TORT OR OTHER LEGAL THEORY, ARISING IN ANY

WAY OUT OF THE USE OR DISTRIBUTION OF THE OTHER CODE OR THE

EXERCISE OF ANY RIGHTS GRANTED UNDER EITHER OR BOTH THIS

LICENSE AND THE LEGAL TERMS APPLICABLE TO ANY SEPARATE FILES,

EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

APPLICABILITY TABLE

PRODUCTS

LN940A11

LN940A9

Contents

NOTICE 2

COPYRIGHTS ................................................................................................ 2

COMPUTER SOFTWARE COPYRIGHTS ...................................................... 2

USAGE AND DISCLOSURE RESTRICTIONS ............................................... 3

APPLICABILITY TABLE ................................................................................ 5

CONTENTS .................................................................................................... 7

1. INTRODUCTION........................................................................... 9

Scope ............................................................................................ 9

Audience ....................................................................................... 9

Contact Information, Support ........................................................ 9

2. OVERVIEW ................................................................................. 10

M.2 Overview .............................................................................. 10

2.1.1. General Features ........................................................................ 10

2.1.2. Carrier Aggregation ..................................................................... 14

M.2 WWAN Module – System Block Diagram ............................. 16

Host Interface Signals ................................................................. 17

3. WWAN M.2 INTERFACE DETAILS ............................................ 22

Interprocessor Communications (IPC) ......................................... 22

3.1.1. USB 2.0 High-Speed ................................................................... 22

3.1.2. USB 3.0 Super-Speed ................................................................. 23

USIM Interface ............................................................................ 24

3.2.1. SIM Design Recommendations ................................................... 24

System Control Interface ............................................................. 26

3.3.1. Power On & Reset ...................................................................... 26

3.3.2. Host Radio Disable Operation ..................................................... 27

3.3.3. LED Interface – Status Indicator .................................................. 29

3.3.4. Wake on WWAN Signal .............................................................. 30

3.3.5. Dynamic Power Reduction .......................................................... 31

Tunable Antenna Interface .......................................................... 32

In-Device Coexistence Interface .................................................. 33

Power Supply Interface ............................................................... 34

Configuration Pins ....................................................................... 34

Antenna Interface ........................................................................ 35

4. OPERTAING ENVIRONMENT .................................................... 36

5. POWER DELIVERY REQUIREMENTS ...................................... 37

Electrical Parameters (3.3 V Power Supply) ................................ 37

Power Consumption .................................................................... 38

6. OTHER REQUIREMENTS .......................................................... 39

Conducted Transmit Power ......................................................... 39

Receiver Sensitivity ..................................................................... 39

Antenna Recommendations ........................................................ 41

GNSS Sensitivity ......................................................................... 42

7. WWAN CARD TYPE 3042 .......................................................... 43

Mechanical Dimension ................................................................ 43

LN940 WWAN M.2 Module Assembly ......................................... 44

Antenna Connector Assembly ..................................................... 45

Antenna Connector Locations ..................................................... 46

8. SAFETY RECOMMENDATIONS ................................................ 48

READ CAREFULLY .................................................................... 48

9. ACRONYMS ............................................................................... 49

10. DOCUMENT HISTORY............................................................... 51

1. INTRODUCTION

Scope

The document covers the technical features of and design guideline for Telit

LN940 WWAN M.2 Module. It also indicates application interface, hardware,

software, reliability and mechanical specification.

Audience

This document is intended to review by engineering designers, and product

managers.

Contact Information, Support

For general contact, technical support services, technical questions and report

documentation errors contact Telit Technical Support at:

 [email protected]

 [email protected]m

Alternatively, use:

http://www.telit.com/support

For detailed information about where you can buy the Telit modules or for

recommendations on accessories and components visit:

http://www.telit.com

Our aim is to make this guide as helpful as possible. Keep us informed of your

comments and suggestions for improvements.

Telit appreciates feedback from the users of our information.

2. OVERVIEW

This chapter provides an overview of standard features of Telit LN940 WWAN

M.2 Module.

M.2 Overview

LN940 WWAN M.2 module is the next generation cellular LTE product,

providing the connectivity on the world's fastest LTE networks in the extensive

coverage of worldwide LTE bands, with unprecedented network performance.

The WWAN M.2 module is in compliance of 3GPP releases 9, 10, 11, and 12,

in which the part of LTE advance carrier aggregation (2x and 3x in the

downlink) and high order modulation (up to 256 QAM) are supported.

2.1.1. General Features

Table 2.1.1-1 LN940 Feature Summary

Feature Description Additional

Information

Modem Chipset Qualcomm MDM9240

Carrier Aggregation 2CC & 3CC DL CA Up to inter-band 3CC

DL CA

LTE Category Cat6/Cat9 and up to

Cat11 @60Mhz

Physical PCI Express M.2 Module

Mechanical M2. Card Type 3042

Slot B

Pin counts : 75

30mm x 42mm x

2.3mm

Max Height=2.38mm

(0.08mm PCB

tolerance added)

Weight 6 grams

Operating Voltage 3.135V ~ 4.4V; Single

VCC Supply

Operating

Temperature

-40°C to +85 °C Please refer to details

in Chapter 7

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