Sierra Wireless MC5725 Quick setup guide

Includes:
MC5725 / MC5725V
MC5727 / MC5727V
MC5728 / MC5728V
MC8775 / MC8775V
MC8780 / MC8781
MC8785V
MC8790 / MC8790V
MC8791V
2130114
Rev 1.9.1
CDMA and GSM / UMTS Mini Card
Hardware Integration Guide
Proprietary and Confidential

Preface
Rev 1.9.1 Feb.09 Proprietary and Confidential 3
In the event of a discrepancy in values between this guide and the Product Specification Document (PSD), the PSD takes precedence.
Important Notice Duetothenatureofwirelesscommunications,transmission
andreceptionofdatacanneverbeguaranteed.Datamaybe
delayed,corrupted(i.e.,haveerrors)orbetotallylost.
Althoughsignificantdelaysorlossesofdataarerarewhen
wirelessdevicessuchastheSierraWirelessmodemareusedin
anormalmannerwithawell‐constructednetwork,theSierra
Wirelessmodemshouldnotbeusedinsituationswherefailure
totransmitorreceivedatacouldresultindamageofanykind
totheuseroranyotherparty,includingbutnotlimitedto
personalinjury,death,orlossofproperty.SierraWireless
acceptsnoresponsibilityfordamagesofanykindresulting
fromdelaysorerrorsindatatransmittedorreceivedusingthe
SierraWirelessmodem,orforfailureoftheSierraWireless
modemtotransmitorreceivesuchdata.
Safety and Hazards DonotoperatetheSierraWirelessmodeminareaswhere
blastingisinprogress,whereexplosiveatmospheresmaybe
present,nearmedicalequipment,nearlifesupportequipment,
oranyequipmentwhichmaybesusceptibletoanyformof
radiointerference.Insuchareas,theSierraWirelessmodem
MUSTBEPOWEREDOFF.TheSierraWirelessmodemcan
transmitsignalsthatcouldinterferewiththisequipment.
DonotoperatetheSierraWirelessmodeminanyaircraft,
whethertheaircraftisonthegroundorinflight.Inaircraft,the
SierraWirelessmodemMUSTBEPOWEREDOFF.When
operating,theSierraWirelessmodemcantransmitsignalsthat
couldinterferewithvariousonboardsystems.
Note: Some airlines may permit the use of cellular phones while the
aircraft is on the ground and the door is open. Sierra Wireless
modems may be used at this time.
Thedriveroroperatorofanyvehicleshouldnotoperatethe
SierraWirelessmodemwhileincontrolofavehicle.Doingso
willdetractfromthedriveroroperatorʹscontrolandoperation
ofthatvehicle.Insomestatesandprovinces,operatingsuch
communicationsdeviceswhileincontrolofavehicleisan
offence.
Limitation of
Liability
Theinformationinthismanualissubjecttochangewithout
noticeanddoesnotrepresentacommitmentonthepartof
SierraWireless.SIERRAWIRELESSANDITSAFFILIATES
SPECIFICALLYDISCLAIMLIABILITYFORANYANDALL
DIRECT,INDIRECT,SPECIAL,GENERAL,INCIDENTAL,
CONSEQUENTIAL,PUNITIVEOREXEMPLARYDAMAGES
INCLUDING,BUTNOTLIMITEDTO,LOSSOFPROFITSOR

CDMA and GSM / UMTS Mini Card Hardware Integration Guide
4 Proprietary and Confidential 2130114
In the event of a discrepancy in values between this guide and the Product Specification Document (PSD), the PSD takes precedence.
REVENUEORANTICIPATEDPROFITSORREVENUE
ARISINGOUTOFTHEUSEORINABILITYTOUSEANY
SIERRAWIRELESSPRODUCT,EVENIFSIERRAWIRELESS
AND/ORITSAFFILIATESHASBEENADVISEDOFTHE
POSSIBILITYOFSUCHDAMAGESORTHEYARE
FORESEEABLEORFORCLAIMSBYANYTHIRDPARTY.
Notwithstandingtheforegoing,innoeventshallSierra
Wirelessand/oritsaffiliatesaggregateliabilityarisingunderor
inconnectionwiththeSierraWirelessproduct,regardlessof
thenumberofevents,occurrences,orclaimsgivingriseto
liability,beinexcessofthepricepaidbythepurchaserforthe
SierraWirelessproduct.
Patents Portionsofthisproductmaybecoveredbysomeorallofthe
followingUSpatents:
5,515,013 5,629,960 5,845,216 5,847,553 5,878,234
5,890,057 5,929,815 6,169,884 6,191,741 6,199,168
6,339,405 6,359,591 6,400,336 6,516,204 6,561,851
6,643,501 6,653,979 6,697,030 6,785,830 6,845,249
6,847,830 6,876,697 6,879,585 6,886,049 6,968,171
6,985,757 7,023,878 7,053,843 7,106,569 7,145,267
7,200,512 7,295,171 7,287,162 D442,170 D459,303
D599,256 D560,911
andotherpatentspending.
Thisproductincludestechnologylicensedfrom
QUALCOMM®3G.
ManufacturedorsoldbySierraWirelessoritslicenseesunder
oneormorepatentslicensedfromInterDigitalGroup.
Copyright ©2009SierraWireless.Allrightsreserved.
Trademarks AirCard®and“HeartoftheWirelessMachine®”areregistered
trademarksofSierraWireless.Watcher®isatrademarkof
SierraWireless,registeredintheEuropeanCommunity.
SierraWireless,theSierraWirelesslogo,theredwavedesign,
andthered‐tippedantennaaretrademarksofSierraWireless.
Windows®isaregisteredtrademarkofMicrosoftCorporation.
QUALCOMM®isaregisteredtrademarkofQUALCOMM
Incorporated.Usedunderlicense.
Linux®isaregisteredtrademarkofLinusTorvalds.
Othertrademarksarethepropertyoftherespectiveowners.

Preface
Rev 1.9.1 Feb.09 Proprietary and Confidential 5
In the event of a discrepancy in values between this guide and the Product Specification Document (PSD), the PSD takes precedence.
Contact
Information
Consultourwebsiteforup‐to‐dateproductdescriptions,
documentation,applicationnotes,firmwareupgrades,trouble‐
shootingtips,andpressreleases:
www.sierrawireless.com
Revision History
Sales Desk: Phone: [phone]
Hours: 8:00 AM to 5:00 PM Pacific Time
E-mail: [email protected]
Post: Sierra Wireless
13811 Wireless Way
Richmond, BC
Canada V6V 3A4
Fax: [phone]
Web: www.sierrawireless.com
Revision
number Release date Changes
1.5 Jul 2007 •Added 8780/81 content
•Added SED description
•Fixed details about capacitance
•Added connector pin details
1.6 Unreleased Changes incorporated into v1.7.
1.7 Apr 2008 •Removed references to RUIM
(MC57xx products)
•Removed “Diversity antenna
must fold down” (“Diversity
antenna design requirements
(MC57xx / MC8780 / MC8781 /
MC8785V / MC8790 / MC8790V
/ MC8791V / MC8792V)” on
page 105).
•Removed references to
MC5720, MC8755, MC8755V,
and MC8765.
•Corrected LED characteristics
(“Faster blink” on page 64)
•Added content for MC5725,
MC5725V, and MC8785V

CDMA and GSM / UMTS Mini Card Hardware Integration Guide
6 Proprietary and Confidential 2130114
In the event of a discrepancy in values between this guide and the Product Specification Document (PSD), the PSD takes precedence.
1.8 Sep 2008 •Added content for MC8790,
MC8790V, MC8791V, and
MC8792V
1.9 Oct 2008 •Added AT command entry timing
note and Linux content to testing
chapter
•Corrected range for external pull
up resistor in Figure 5-2
1.91 Feb 2009 •Added content for MC5728 and
MC5728V (FCC)
Revision
number Release date Changes

Rev 1.9.1 Feb.09 Proprietary and Confidential 7
In the event of a discrepancy in values between this guide and the Product Specification Document (PSD), the PSD takes precedence.
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
The Universal Development Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Required connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Guide organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Related documents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Power Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Overview of operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Power signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Electrostatic discharge (ESD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Module power states . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Disconnected state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Off state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Normal state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Low power mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Voltage monitoring state machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Temperature monitoring state machine . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Inrush currents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Timing requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Power ramp-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Power-up timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Transmit power wave form (GSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Current consumption overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
SED (Smart Error Detection) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Usage models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

CDMA and GSM / UMTS Mini Card Hardware Integration Guide
8 Proprietary and Confidential 2130114
In the event of a discrepancy in values between this guide and the Product Specification Document (PSD), the PSD takes precedence.
RF Integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
RF connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Ground connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Shielding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Antenna and cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Interference and sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Power supply noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Interference from other wireless devices . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Device-generated RF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Methods to mitigate decreased Rx performance . . . . . . . . . . . . . . . . . . . 42
Radiated sensitivity measurement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Sierra Wireless’ sensitivity testing and desensitization investigation . . 43
OTA test chamber configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Path loss calculation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Positioning the DUT (Device Under Test) . . . . . . . . . . . . . . . . . . . . . . . . . 45
Sensitivity vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Audio Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
System block diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Modes of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Sidetone support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Echo cancellation support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Audio signal interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Audio function partitioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Host / Module Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Host interface pin details. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
USB interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
USB handshaking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
LED output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
USIM interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Table of Contents
Rev 1.9.1 Feb.09 Proprietary and Confidential 9
In the event of a discrepancy in values between this guide and the Product Specification Document (PSD), the PSD takes precedence.
USIM operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Extended AT commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Thermal Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
Thermal considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Design Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
AT command entry timing requirement . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Acceptance testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Test requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Test procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Certification testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Production testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Suggested manual functional test procedure . . . . . . . . . . . . . . . . . . . . . . . . . 80
Suggested test plan procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Testing RF transmission path—MC57xx . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Testing RF transmission path—MC87xx . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Testing RF Receive path—MC57xx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Testing RF Receive path—MC87xx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Testing GPS Receiver—MC8775V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Test Audio Loop-back—MC5725V / MC5727V / MC5728V / MC8775V /
MC8785V / MC8790V / MC8791V / MC8792V . . . . . . . . . . . . . . . . . . . . . . . 94
Quality assurance testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Suggested testing equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Antenna Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Required antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Frequency bands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

CDMA and GSM / UMTS Mini Card Hardware Integration Guide
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In the event of a discrepancy in values between this guide and the Product Specification Document (PSD), the PSD takes precedence.
Antenna design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
General antenna design requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Main antenna design requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Diversity antenna design requirements (MC57xx / MC8780 / MC8781 /
MC8785V / MC8790 / MC8790V / MC8791V / MC8792V) . . . . . . . . . . . . . 105
GPS antenna design requirements (MC57xx / MC8775V / MC878x) . . 105
Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Voltage Standing Wave Ratio (VSWR) . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Antenna-to-antenna isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Peak gain and radiation patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Fading correlation coefficient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Important notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Safety and hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Important compliance information for North American users . . . . . . . . . . 112
EU regulatory conformity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Acronyms and Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119