THE USE OF THE PRODUCT INCLUDING THE SOFTWARE AND DOCUMENTATION (THE "PRODUCT") IS SUBJECT TO THE RELEASE NOTE PROVIDED TOGETHER WITH PRODUCT. IN ANY
EVENT THE PROVISIONS OF THE RELEASE NOTE SHALL PREVAIL. THIS DOCUMENT CONTAINS INFORMATION ON CINTERION PRODUCTS. THE SPECIFICATIONS IN THIS DOCUMENT
ARE SUBJECT TO CHANGE AT CINTERION'S DISCRETION. CINTERION WIRELESS MODULES
GMBH GRANTS A NON-EXCLUSIVE RIGHT TO USE THE PRODUCT. THE RECIPIENT SHALL NOT
TRANSFER, COPY, MODIFY, TRANSLATE, REVERSE ENGINEER, CREATE DERIVATIVE WORKS;
DISASSEMBLE OR DECOMPILE THE PRODUCT OR OTHERWISE USE THE PRODUCT EXCEPT
AS SPECIFICALLY AUTHORIZED. THE PRODUCT AND THIS DOCUMENT ARE PROVIDED ON AN
"AS IS" BASIS ONLY AND MAY CONTAIN DEFICIENCIES OR INADEQUACIES. TO THE MAXIMUM
EXTENT PERMITTED BY APPLICABLE LAW, CINTERION WIRELESS MODULES GMBH DISCLAIMS ALL WARRANTIES AND LIABILITIES. THE RECIPIENT UNDERTAKES FOR AN UNLIMITED
PERIOD OF TIME TO OBSERVE SECRECY REGARDING ANY INFORMATION AND DATA PROVIDED TO HIM IN THE CONTEXT OF THE DELIVERY OF THE PRODUCT. THIS GENERAL NOTE
SHALL BE GOVERNED AND CONSTRUED ACCORDING TO GERMAN LAW.
Copyright
Transmittal, reproduction, dissemination and/or editing of this document as well as utilization of its contents and communication thereof to others without express authorization are prohibited. Offenders will
be held liable for payment of damages. All rights created by patent grant or registration of a utility model
or design patent are reserved.
Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the
United States and/or other countries. CDMA2000 is a registered cer tification mark of the Tele communications Industry Association. All other registered trad emarks or tr ademar ks men tioned in this document
are property of their respective owners.
PXS8_HD_v03.000Page 2 of 412012-11-30
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Figure 11:Reference equipment for type approval......................................................... 38
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PXS8 Hardware Interface Description
1 Introduction
15
1Introduction
The document1 describes the hardware of the PXS8 module, designed to connect to a cellular
device application and the air interface. It helps you quickly retrieve interface specifications,
electrical and mechanical details and information on the requirements to be considered for integrating further components.
1.1Related Documents
[1]PXS8 AT Command Set
[2]PXS8 Release Notes
[3]DSB75 Support Box - Evaluation Kit for Cinterion Wireless Modules
[4]Application Note 48: SMT Module Integration
[5]Universal Serial Bus Specification Revision 2.0, April 27, 2000
1.2Terms and Abbreviations
AbbreviationDescription
AGPSAssisted GPS
ANSIAmerican National Standards Institute
AMRAdaptive Multirate
ARPAntenna Reference Point
BBBaseband
BCBand Class
BEPBit Error Probability
BTSBase Transceiver Station
CB or CBMCell Broadcast Message
CDMACode Division Multiple Access
CEConformité Européene (European Conformity)
CSCoding Scheme
CSCircuit Switched
CSDCircuit Switched Data
CTMCellular Text Modem
DACDigital-to-Analog Converter
DCSDigital Cellular System
1.
The document is effective only if listed in the appropriate Release Notes as part of the technical
documentation delivered with your Cinterion Wireless Modules product.
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1.2 Terms and Abbreviations
15
AbbreviationDescription
DLDownload
DRXDiscontinuous Reception
DSBDevelopment Support Board
DSPDigital Signal Processor
DTMFDual Tone Multi Frequency
DTXDiscontinuous Transmission
EDGEEnhanced Data rates for GSM Evolution
EFREnhanced Full Rate
EGSMExtended GSM
EMCElectromagnetic Compatibility
ERPEffective Radiated Power
ESDElectrostatic Discharge
ETSEuropean Telecommunication Standard
ETSIEuropean Telecommunications Standards Institute
EVRCEnhanced Variable Rate Codec
FCCFederal Communications Commission (U.S.)
FDDFrequency Division Duplex
FDMAFrequency Division Multiple Access
FLForward Link
FRFull Rate
GLONASSGlobalnaja Nawigazionnaja Sputnikowaja Sistema
GNSSGlobal Navigation Satellite System
GPRSGeneral Packet Radio Service
GPSGlobal Positioning System
GSMGlobal Standard for Mobile Communications
HiZHigh Impedance
HSDPAHigh Speed Downlink Packet Access
HRHalf Rate
I/OInput/Output
IFIntermediate Frequency
IMEIInternational Mobile Equipment Identity
ISOInternational Standards Organization
ITUInternational Telecommunications Union
kbpskbits per second
LEDLight Emitting Diode
LGALand Grid Array
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1.2 Terms and Abbreviations
15
AbbreviationDescription
MBBMo ist ur e ba rr ier bag
MbpsMbits per second
MCSModulation and Coding Scheme
MOMobile Originated
MSMobile Station, also referred to as TE
MSLMoisture Sensitivity Level
MTMobile Terminated
NBNarrow Band
NMEANational Marine Electronics Association
NTCNegative Temperature Coefficient
PBCCHPacket Switched Broadcast Contro l Channel
PCBPrinted Circuit Board
PCLPower Control Level
PCMPulse Code Modulation
PCSPersonal Communication System, also referred to as GSM 1900
PDPull Down resistor (appr. 100k)
PDUProtocol Data Unit
PSPacket Switched
PSKPhase Shift Keying
PUPull Up resistor (appr. 100k)
QAMQuadrature Amplitude Modulation
R&TTERadio and Telecommunication Terminal Equipment
RFRadio Frequency
RLReverse Link
ROPRRadio Output Power Reduction
RTCReal Time Clock
RxReceive Direction
SARSpecific Absorption Rate
SCISlot Cycle Index
SELVSafety Extra Low Voltage
SIMSubscri ber Identification Module
SLICSubscriber Line Interface Circuit
SMPLSudden Momentary Power Loss
SMDSurface Mount Device
SMSShort Message Service
SMTSurface Mount Technology
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1.2 Terms and Abbreviations
15
AbbreviationDescription
SNRSignal-to-Noise Ratio
SRAMStatic Random Access Memory
SRBSignalling Radio Bearer
SUPLSecure User Plane Location
TDMATime Division Multiple Access
TETerminal Equipment
TPCTransmit Power Control
TSTechnical Specification
TTFFTime To First Fix
TxTransmit Direction
ULUpload
UMTSUniversal Mobile Telecommunications System
URCUnsolicited Res ult Code
USBUniversal Serial Bus
UICCUSIM Integrated Circuit Card
USIMUMTS Subscriber Identification Module
WCDMAWideband Code Division Multiple Access
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1.3 Regulatory and Type Approval Information
15
1.3Regulatory and Type Approval Information
1.3.1Directives and Standards
PXS8 has been designed to comply with the directives and standards listed below.
It is the responsibility of the application manufacturer to ensure compliance of the final product
with all provisions of the applicable directives and standards as well as with the technical specifications provided in the "PXS8 Hardware Interface Description".
Table 1: Directives
99/05/ECDirective of the European Parliament and of the council of 9 March 1999 on
radio equipment and telecommunications terminal equipment and the
mutual recognition of their conformity (in short referred to as R&TTE Directive 1999/5/EC).
The product is labeled with the CE conformity mark
2002/95/EC Directive of the European Parliament and of the Council of
27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(RoHS)
1
Table 2: Standards of North American type approval
CFR Title 47Code of Federal Regulations, Part 22, Part 24 and Part 27; US Equipmen t
Authorization FCC
OET Bulletin 65
(Edition 97-01)
UL 60 950-1Product Safety Certification (Safety requirements)
NAPRD.03 V5.11Overview of PCS Type certification review board Mobile Equipment Type
RSS132, RSS133,
RSS139
Table 3: Standards of European type approval
3GPP TS 51.010-1Digital cellula r telecommunications system (Release 7); Mobile Station
ETSI EN 301 511 V9.0.2 Global System for Mobil e communications (GSM); Harmonized standard for
GCF-CC V3.45 Global Certification Forum - Certification Criteria
Evaluating Compliance with FCC Guidelines for Human Exposure to Radiofrequency Electromagnetic Fields
Certification and IMEI control
PCS Type Certification Review board (PTCRB)
Canadian Standard
(MS) conformance specification;
mobile stations in the GSM 900 and DCS 1800 bands covering essential
requirements under article 3.2 of the R&TTE directive (1999/5/EC)
ETSI EN 301 489-01
V1.8.1
1.
Manufacturers of applications which can be used in the US shall en sure that their applications have a
PTCRB approval. For this purpose they can refer to the PTCRB approval of the respective module.
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Electromagnetic Compatibility and Radio spectrum Matters (ERM); Electromagnetic Compatibility (EMC) standard for radio equipment and services;
Part 1: Common Technical Requirements
PXS8 Hardware Interface Description
1.3 Regulatory and Type Approval Information
15
Table 3: Standards of European type approval
ETSI EN 301 489-03
V1.4.1
ETSI EN 301 489-07
V1.3.1
ETSI EN 301 489-24
V1.4.1
ETSI EN 301 908-01
V4.2.1
ETSI EN 301 908-02
V4.2.1
EN 300 440-02 V1.3.1 Electromagnetic compatibility and Radio spectrum Matters (ERM); Short
Electromagnetic Compatibility and Radio spectrum Matters (ERM); Electromagnetic Compatibility (EMC) standard for radio equipment and services;
Part 3: Specific conditions for Short-Range Devices (S RD) operating on frequencies between 9 kHz and 40 GHz
Electromagnetic Compatibility and Radio spectrum Matters (ERM); Electromagnetic Compatibility (EMC) standard for radio equipment and services;
Part 7: Specific conditions for mobile and portable radio and ancillary equipment of digital cellular radio telecommunications systems (GSM and DCS)
Electromagnetic Compatibility and Radio spectrum Matters (ERM); Electromagnetic Compatibility (EMC) standard for radio equipment and services;
Part 24: Specific conditions for IMT-2000 CDMA Direct Spread (UTRA) for
Mobile and portable (UE) radio and ancillary equipment
Electromagnetic compatibility and Radio spectrum Matters (ERM); Base
Stations (BS) and User Equipment (UE) for IMT -2000 Third Ge neration cellular networks; Part 1: Harmonized EN for IMT-2000, introduction and common requirements of article 3.2 of the R&TTE Directive
Electromagnetic compatibility and Radio spectrum Matters (ERM); Base
Stations (BS) and User Equipment (UE) for IMT -2000 Third Ge neration cellular networks; Part 2: Harmonized EN for IMT-2000 , CDMA Direct Spr ead
(UTRA FDD) (UE) covering essential requirements of article 3.2 of the
R&TTE Directive
range devices; Radio equipment to be used in the 1 GHz to 40 GHz frequency range; Part 2: Harmonized EN covering essential requirements of
article 3.2 of the R&TTE Directive
EN 62311:2008Assessment of electronic and electrical equipment related to human expo-
sure restrictions for electromagnetic fields (0 Hz - 300 GHz)
IEC/EN 60950-1:2006Safety of information technology equipment
Table 4: Requirements of quality
IEC 60068Environmental testing
DIN EN 60529IP codes
Table 5: Standards of the Ministry of Information Industry of the People’s Republic of China
SJ/T 11363-2006 “Requirements for Concentration Limits for Certain Hazardous Substances
in Electronic Information Products” (2006-06).
SJ/T 11364-2006“Marking for Control of Pollution Caused by Electronic
Information Products” (2006-06).
According to the “Chinese Administration on th e Control of
Pollution caused by Electronic Information Products”
(ACPEIP) the EPUP, i.e., Environmental Protection Use
Period, of this product is 20 years as per the symbol
shown here, unless otherwise marked. The EPUP is valid only as long as
the product is operated within the operating limits described in the Cinterion
Hardware Interface Description.
Please see Table 6 for an overview of toxic or hazardous substances or elements that might be contained in product parts in concentrations above the
limits defined by SJ/T 11363-2006.
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1.3 Regulatory and Type Approval Information
15
Table 6: Toxic or hazardous substances or elements with defined concentration limits
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1.3 Regulatory and Type Approval Information
15
1.3.2SAR requirements specific to portable mobiles
Mobile phones, PDAs or other portable transmitters and receivers incorporating a GSM/CDMA
module must be in accordance with the guidelines for human exposure to radio frequency energy. This requires the Specific Absorption Rate (SAR) of portable PXS8 based applications to
be evaluated and approved for compliance with national and/or international regulations.
Since the SAR value varies significantly with the individual product design manufacturers are
advised to submit their product for approval if designed for portable use. For European and USmarkets the relevant directives are mentioned below. It is the responsibility of the manufacturer
of the final product to verify whether or not further standards, recommendations or directives
are in force outside these areas.
Products intended for sale on US markets
ES 59005/ANSI C95.1 Considerations for evaluation of human exposure to electromagnetic
fields (EMFs) from mobile telecommunication equipment (MTE) in the
frequency range 30MHz - 6GHz
Products intended for sale on European markets
EN 50360Product standard to demonstrate the compliance of mobile phones with
the basic restrictions related to human exposure to electromagnetic
fields (300MHz - 3GHz)
IMPORTANT:
Manufacturers of portable applications based on PXS8 modules are required to have their final
product certified and apply for their own FCC Grant and Industry Canada Certificate related to
the specific portable mobile.
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PXS8 Hardware Interface Description
1.3 Regulatory and Type Approval Information
15
1.3.3SELV Requirements
The power supply connected to the PXS8 module shall be in compliance with the SELV requirements defined in EN 60950-1.
1.3.4Safety Precautions
The following safety precautions must be observed during all phases of the operation, usage,
service or repair of any cellular terminal or mobile incorporating PXS8. Manufacturers of the
cellular terminal are advised to convey the following safety information to users and ope rating
personnel and to incorporate these guidelines into all manuals supplied with the product. Failure to comply with these precautions violates safety standards of design, manufacture and intended use of the product. Cinterion Wireless Modules assumes no liability for customer’s
failure to comply with these precautions.
When in a hospital or other health care facility, observe the restrictions on the use of
mobiles. Switch the cellular terminal or mobile off, if instructed to do so by the guidelines posted in sensitive areas. Medical equipment may be sensitive to RF energy.
The operation of cardiac pacemakers, other implanted med ical equipment and hearing
aids can be affected by interference from cellular terminals or mobiles placed close to
the device. If in doubt about potential danger, contact the physician or the manufacturer of the device to verify that the equipment is properly shielded. Pacemaker
patients are advised to keep their hand-held mobile away from the pacemaker, while
it is on.
Switch off the cellular terminal or mobile before boarding an aircraft. Make su re it cannot be switched on inadvertently. The operation of wirele ss appliances in an aircraft is
forbidden to prevent interference with communications systems. Failure to observe
these instructions may lead to the suspension or denial of cellular services to the
offender, legal action, or both.
Do not operate the cellular terminal or mobile in the presence of flammable gases or
fumes. Switch off the cellular terminal when you are near petrol stations, fuel d epots,
chemical plants or where blasting operations are in progress. Oper ation of any electrical equipment in potentially explosive atmospheres can constitute a safety hazard.
Your cellular terminal or mobile receives and transmits radio frequency energy while
switched on. Remember that interference can occur if it is used close to TV sets,
radios, computers or inadequately shielded equipment. Follow any special re gulations
and always switch off the cellular terminal or mobile wherever forbidden, or when you
suspect that it may cause interference or danger.
Road safety comes first! Do not use a hand-held cellular terminal or mobile when driving a vehicle, unless it is securely mounted in a holder for speakerphone operation.
Before making a call with a hand-held terminal or mobile, park the vehicle.
Speakerphones must be installed by qualified personnel. Faulty installation or operation can constitute a safety hazard.
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1.3 Regulatory and Type Approval Information
15
IMPORTANT!
Cellular terminals or mobiles operate using radio signals an d cellular networks.
Because of this, connection cannot be guaranteed at all times under all conditions.
Therefore, you should never rely solely upon any wireless device for essential communications, for example emergency calls.
Remember, in order to make or receive calls, the cellular terminal or mobile must be
switched on and in a service area with adequate cellular signal strength.
Some networks do not allow for emergency calls if certain network services or phone
features are in use (e.g. lock functions, fixed dialing etc.). You may need to deactivate
those features before you can make an emergency call.
Some networks require that a valid SIM card be properly inserted in the cellu lar terminal or mobile.
Bear in mind that exposure to excessive levels of noise can cause physical damage
to users! With regard to acoustic shock, the cellular application must be designed to
avoid unintentional increase of amplification, e.g. for a highly sensitive earpiece. A protection circuit should be implemented in the cellular application.
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PXS8 Hardware Interface Description
2 Product Concept
19
2Product Concept
2.1Key Features at a Glance
FeatureImplementation
General
Frequency bandsGSM/GPRS/EDGE: Quad band, 850/900/1800/1900MHz
UMTS/HSPA+: Five band, 800/850/900/1900/2100MHz
CDMA: Triple band (BC0/BC1 and BC10 subclass 2+3), 800/1900MHz
GSM classSmall MS
Output power (according to
Release 99)
Power supply3.3V <
Operating temperature
(board temperature)
PhysicalDimensions: 33mm x 29mm x 2mm
RoHSAll hardware components fully compliant with EU RoHS Directive
CDMA features
Class 4 (+33dBm ±2dB) for EGSM850
Class 4 (+33dBm ±2dB) for EGSM900
Class 1 (+30dBm ±2dB) for GSM1800
Class 1 (+30dBm ±2dB) for GSM1900
Class E2 (+27dBm ± 3dB) for GSM 850 8-PSK
Class E2 (+27dBm ± 3dB) for GSM 900 8-PSK
Class E2 (+26dBm +3 /-4dB) for GSM 1800 8-PSK
Class E2 (+26dBm +3 /-4dB) for GSM 1900 8-PSK
Class 3 (+24dBm +1/-3dB) for UMTS 2100, WCDMA FDD BdI
Class 3 (+24dBm +1/-3dB) for UMTS 1900,WCDMA FDD BdII
Class 3 (+24dBm +1/-3dB) for UMTS 900, WCDMA FDD BdVIII
Class 3 (+24dBm +1/-3dB) for UMTS 850, WCDMA FDD BdV
Class 3 (+24dBm +1/-3dB) for UMTS 800, WCDMA FDD BdVI
V
Normal operation: -30°C to +85°C
Restricted operation: -40°C to +95°C
tones, TTY support
Software updateGeneric firmware update from host application over ASC0 or USB
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2.1 Key Features at a Glance
19
FeatureImplementation
Interfaces
Module interfaceSurface mount device with solderable connection pads (SMT application
interface).
Land grid array (LGA) technology ensures high solder joint reliability and
provides the possibility to use an optional module mounting socket.
For more information on how to integrate SMT modules see also [4]. This
application note comprises chapters on module mounting and application
layout issues as well as on additional SMT application development
equipment.
Antenna50Ohms. GSM/UMTS/CDMA main antenna, UMTS/CDMA diversity
antenna, GNSS antenna (active/passive)
USBUSB 2.0 High Speed (480Mbit/s) device interface, Full Speed (12Mbit/s)
compliant
Serial interfaceASC0:
•8-wire modem interface with status and control lines, unbalanced,
asynchronous
•Adjustable baud rates from 9,600bps up to 921,600bps
•Supports RTS0/CTS0 hardware flow control
•Multiplex ability according to GSM 07.10 Multiplexer Protocol
UICC interfaceSupported chip cards: UICC/SIM/USIM 3V, 1.8V
StatusSignal line to indicate network connectivity state
Audio1 analog interface with microphone feeding
1 digital interface: PCM or I
Power on/off, Reset
Power on/offSwitch-on by hardware signal IGT
Switch-off by AT command (AT^SMSO)
Automatic switch-off in case of critical temperature or voltage conditions
ResetOrderly shutdown and reset by AT command
Emergency-offEmergency-off by hardware signal EMERG_OFF if IGT is not active
Special Features
PhonebookSIM and phone
TTY/CTM supportIntegrated CTM modem
AntennaSAIC (Single Antenna Interference Cancellation) / DARP (Downlink
Advanced Receiver Performance)
Rx diversity (receiver type 3i - 16-QAM)
Over-the-air provisioningVerizon specific OTASP (Over-the-Air Service Provisioning) and OTAPA
Evaluation modulePXS8 module soldered onto a dedicated PCB that can be connected to
an adapter in order to be mounted onto the DSB75.
DSB75 DSB75 Development Support Board designed to test and type approve
Cinterion Wireless Modules and provide a sample configuration for appli-
cation engineering. A special adapter is required to connect the PXS8
evaluation module to the DSB75.
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PXS8 Hardware Interface Description
USB
Serial
ASC0
UICC
Analog
audio
Power
supply
RTC
IGT,
Emergency Off
Net state/
status
SIM
Card
Hos t Application
Controller
On/Off
Module
Applicat io n
PSU
or
UMTS/CDMA
diversity antenna
Power for Application
(VEXT)
Power Indication
(PWR_IND)
Modem Interface
Digital
audio
PCM or I2S
Codec
GSM/UMTS/CDMA
GNSS
GNSS antenna
LCI
Low current
indication
GSM/UMTS/CDMA
main antenna
Wake-
up
Host Wakeup
GNSS
active antenna supply,
curren t lim iter
Power
Supply
Application
2.2 PXS8 System Overview
19
2.2PXS8 System Overview
Figure 1: PXS8 system overview
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PXS8 Hardware Interface Description
3 Application Interface
29
3Application Interface
PXS8 is equipped with an SMT application interface that connects to the external application.
The host interface incorporates several sub-interfaces described in the following sections:
•Operating modes - see Section 3.1
•Power supply - see Section 3.2
•Serial interface USB - see Section 3.3
•Serial interface ASC0 - Section 3.4
•UICC/SIM/USIM interface - see Section 3.5
•Analog audio interface - see Section 3.6
•Digital audio interface (PCM or I
2
S) - see Section 3.7
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PXS8 Hardware Interface Description
3.1 Operating Modes
29
3.1Operating Modes
The table below briefly summarizes the various operating modes referred to in the following
chapters.
Table 7: Overview of operating modes
ModeFunction
Normal
operation
GSM /
GPRS / UMTS /
HSPA / CDMA
SLEEP
GSM /
GPRS / UMTS /
HSPA / CDMA
IDLE
GSM TALK/
GSM DATA
GPRS DATAGPRS data transfer in progress. Power consumption depends on net-
EGPRS DATAEGPRS data transfer in progress. Power consumption depends on net-
UMTS TALK/
UMTS DATA
HSPA DATAHSPA data transfer in progress. Power consumption depends on net-
Power saving set automatically when no call is in progress and the USB
connection is suspended by host or not present and no active communication via ASC0.
Power saving disabled (see [1]:
PwrSave",<PwrSaveMode>) or an USB connection not suspended, but
no call in progress.
Connection between two subscribers is in progress. Power consumption depends on the GSM network coverage and several connectio n
settings (e.g. DTX off/on, FR/EFR/HR, hopping sequences and
antenna connection). The following applies when power is to be measured in TALK_GSM mode: DTX off, FR and no frequency hopping.
work settings (e.g. power control level), uplink / downlink data rates and
GPRS configuration (e.g. used multislot settings).
work settings (e.g. power control level), uplink / downlink data rates and
EGPRS configuration (e.g. used multislot settings).
UMTS data transfer in progress. Power consumption depends on network settings (e.g. TPC Pattern) and data transfer rate.
work settings (e.g. TPC Pattern) and data transfer rate.
AT^SCFG "MEopMode/
Power
Down
Airplane
mode
CDMA TALK/
CDMA DATA
Normal shutdown after sending the AT^SMSO command. Only a voltage regulator is active
for powering the RTC. Software is not active. Interfaces are not accessible. Operating voltage (connected to BATT+) remains applied.
Airplane mode shuts down the radio part of the module , causes th e module to log off from
the GSM/GPRS/CDMA network and disables all AT commands whose execution requires
a radio connection.
Airplane mode can be controlled by AT command (see [1]).
CDMA data transfer in progress. Power consumption depends on network settings and data transfer rate.
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PXS8 Hardware Interface Description
BATT+
BATT+
BATT+_PA1
BATT+_PA2
2
2
2
Decoupling capacitor
e.g. 100…220µF
Ultra-low ESR
Module
GND
SMT interface
+
Minimum requirement
BATT+
2
2
2
Decoupling capacitors
e.g. 47µF X5R MLCC
3x
GND
BATT+
BATT+_PA1
BATT+_PA2
Module
SMT interface
Recommended alternative
3.2 Power Supply
29
3.2Power Supply
PXS8 needs to be connected to a power supply at the SMT application interface - 6 lines each
BATT+ and GND. There are three separate voltage domains for BATT+:
•BATT+_PA1 with 2 lines for the first power amplifier supply
•BATT+_PA2 with 2 lines for the second power amplifier supply
•BATT+ with 2 lines for the general power management.
The main power supply from an external application has to be a single voltage source and has
to be expanded to three sub paths (star structure). Capacitors should be placed as close as
possible to the BATT+ pads. Figure 2 shows two sample circuits (minimum requirement and
recommended alternative) for decoupling capacitors for BATT+.
The power supply of PXS8 must be able to provide the peak current during the uplink transmission.
All key functions for supplying power to the device are handled by the power managemen t IC.
It provides the following features:
•Stabilizes the supply voltages for the baseband using switching regulators and low drop lin-
ear voltage regulators.
•Switches the module's power voltages for the power-up and -down procedures.
•Delivers, across the VEXT line, a regulated voltage for an external application. This voltage
is not available in Power-down mode and can be reduced via AT command to save power
•SIM switch to provide SIM power supply.
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Figure 2: Decoupling capacitor(s) for BATT+
PXS8 Hardware Interface Description
VBUS
DP
DN
VREG (3V075)
BATT+
USB_DP
2)
lin. reg.
GND
Module
Detection only
VUSB_IN
USB part
1)
RING0
Host wakeup
1)
All serial (including RS) and pull-up resistors for data lines are implemented.
USB_DN
2)
2)
If the USB interface is operated in High Speed mode (480MHz), it is recommended to take
special care routing the data lines USB_DP and USB_DN. Application layout should in this
case implement a differential impedance of 90Ohm for proper signal integrity.
WAKEUP
R
S
R
S
SMT
3.3 USB Interface
29
3.3USB Interface
PXS8 supports a USB 2.0 High Speed (480Mbit/s) device interface that is Full Speed (12Mbit/s)
compliant. The USB interface is primarily intended for use as command and data interface and
for downloading firmware.
The external application is responsible for supplying the VUSB_IN line. This line is used for cable detection only. The USB part (driver and transceiver) is supplied by means of BATT+. This
is because PXS8 is designed as a self-powered device compliant with the “Universal Serial Bus
Specification Revision 2.0”
1
.
Figure 3: USB circuit
To properly connect the module's USB interface to the external application, a USB 2.0 compatible connector and cable or hardware design is required.
1.
The specification is ready for download on http://www.usb.org/developers/docs/
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PXS8 Hardware Interface Description
3.4 Serial Interface ASC0
29
3.4Serial Interface ASC0
PXS8 offers an 8-wire unbalanced, asynchronous modem interface ASC0 conforming to ITUT V.24 protocol DCE signalling. The electrical characteristics do not comply with ITU-T V.28.
The significant levels are 0V (for low data bit or active state) and 1.8V (for high data bit or inactive state).
PXS8 is designed for use as a DCE. Based on the conventions for DCE-DTE connections it
communicates with the customer application (DTE) using the following signals:
•Port TXD @ application sends data to the module’s TXD0 signal line
•Port RXD @ application receives data from the module’s RXD0 signal line
Figure 4: Serial interface ASC0
Features:
•Includes the data lines TXD0 and RXD0, the status lines RTS0 and CTS0 and, in addition,
the modem control lines DTR0, DSR0, DCD0 and RING0.
•ASC0 is designed for controlling GSM/UMTS/CDMA voice calls, transferring data and for
controlling the module with AT commands.
•Full multiplexing capability allows the interface to be partitioned into virtual channels.
•The RING0 signal serves to indicate incoming calls and other types of URCs (Unsolicited
Result Code). It can also be used to send pulses to the host application, for example to
wake up the application from power saving state. See [1] for details on h ow to configure the
RING0 line by AT^SCFG.
•Configured for 8 data bits, no parity and 1 stop bit.
•ASC0 can be operated at fixed bit rates from 9600bps up to 921600bps.
•Supports RTS0/CTS0 hardware flow control.
•Wake up from SLEEP mode by RTS0 activation (high to low transition).
Note. If the ASC0 serial interface is the application’s only interface, it is suggested to connect
test points on the USB signal lines as a potential tracing possibility.
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PXS8 Hardware Interface Description
3.4 Serial Interface ASC0
29
Table 8: DCE-DTE wiring of ASC0
V.24 circuit DCEDTE
Line functionSignal directionLine functionSignal direction
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PXS8 Hardware Interface Description
3.5 UICC/SIM/USIM Interface
29
3.5UICC/SIM/USIM Interface
PXS8 has an integrated UICC/SIM/USIM interface compatible with the 3GPP 31.102 and ETSI
102 221. This is wired to the host interface in order to be connected to an external SIM card
holder. Five pads on the SMT application interface are reserved for the SIM interface.
The UICC/SIM/USIM interface supports 3V and 1.8V SIM cards.
The CCIN signal serves to detect whether a tray (with SIM card) is present in the card holder.
Using the CCIN signal is mandatory for compliance with the GSM 11.11 recommendation if the
mechanical design of the host application allows the user to remove the SIM card during operation. To take advantage of this feature, an appropriate SIM card detect switch is required on
the card holder. For example, this is true for the model supplied by Molex, which has been tested to operate with PXS8 and is part of the Cinterion reference equipment submitted for type
approval. See Chapter 9 for Molex ordering numbers.
Table 9: Signals of the SIM interface (SMT application interface)
SignalDescription
GNDGround connection for SIM. Optionally a separate SIM ground line using e.g., pad N11 may
be used to improve EMC.
CCCLKChipcard clock
CCVCCSIM supply voltage.
CCIOSerial data line, input and output.
CCRSTChipcard reset
CCINInput on the baseband processor for detecting a SIM card tray in the holder. If the SIM is
removed during operation the SIM interface is shut down immediately to prevent destruction of the SIM. The CCIN signal is active low.
The CCIN signal is mandatory for applications that allow the user to remove the SIM card
during operation.
The CCIN signal is solely intended for use with a SIM card. It must not be used for any other
purposes. Failure to comply with this requirement may invalidate the type approval of
PXS8.
Note: No guarantee can be given, nor any liability accepted, if loss of data is encountered after
removing the SIM card during operation. Also, no guarantee can be given for properly initializing any SIM card that the user inserts after having removed the SIM card during operation. In
this case, the application must restart PXS8.
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PXS8 Hardware Interface Description
Module
open: Card removed
closed: Card inserted
CCRST
CCVCC
CCIO
CCCLK
CCIN
SIM /
UICC
1n
220n
SMT application interface
GND
3.5 UICC/SIM/USIM Interface
29
Figure 5: UICC/SIM/USIM interface
The total cable length between the SMT application interface pads on PXS8 and the pads of
the external SIM card holder must not exceed 100mm in order to meet the specifications of
3GPP TS 51.010-1 and to satisfy the requirements of EMC compliance.
To avoid possible cross-talk from the CCCLK signal to the CCIO signal be careful that both
lines are not placed closely next to each other. A useful approach is using the GND line to
shield the CCIO line from the CCCLK line.
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PXS8 Hardware Interface Description
3.6 Analog Audio Interface
29
3.6Analog Audio Interface
PXS8 has an analog audio interface with a balanced analog microphone input and a balanced
analog earpiece output. A supply voltage and an analog ground connection are provided at
dedicated lines.
PXS8 offers eight audio modes which can be selected with the AT^SNFS command. The electrical characteristics of the voiceband part vary with the audio mode. For example, sending and
receiving amplification, sidetone paths, noise suppression etc. depend on the selected mode
and can in parts be altered with AT commands (except for mode 1).
When shipped from factory, all audio parameters of PXS8 are set to audio mode 1. This is the
default configuration optimised for the Votronic HH-SI-30.3/V1.1/0 handset and used for type
approving the Cinterion Wireless Modules reference configuration. Audio mode 1 has fix parameters which cannot be modified. To adjust the settings of the Votronic handset simply
change to another audio mode.
3.7Digital Audio Interface
PXS8 supports a digital audio interface that can be employed either as pulse code modulation
or as inter IC sound interface. Operation of these interface variants is mutually exclusive.
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PXS8 Hardware Interface Description
4 GNSS Receiver
29
4GNSS Receiver
PXS8 integrates a GNSS receiver that offers the full performance of GPS/GLONASS technology. The GNSS receiver is able to continuously track all satellites in view, thus providing accurate satellite position data.
The integrated GNSS receiver supports the NMEA protocol via USB o r ASC0 interface
is a combined electrical and data specification for communication between various (marine)
electronic devices including GNSS receivers. It has been defined and controlled by the USbased National Marine Electronics Association. For more information on the NMEA Standard
please refer to http://www.nmea.org.
Depending on the receiver’s knowledge of last position, current time and ephemeris data, th e
receiver’s startup time (i.e., TTFF = Time-To-First-Fix) may vary: If the receiver has no knowledge of its last position or time, a startup takes considerably longer than if the receiver has still
knowledge of its last position, time and almanac or has still access to valid ephimeris data and
the precise time.
By default, the GNSS receiver is switched off. It has to be switched on and configured using
AT commands. For more information on how to control the GNSS interface via the AT command AT^SGPSC see [1].
1
. NMEA
1.
Using the serial ASC0 interface NMEA data is transmitted at a fixed speed of 115200bps.
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PXS8 Hardware Interface Description
5 Antenna Interfaces
33
5Antenna Interfaces
5.1GSM/UMTS/CDMA Antenna Interface
The PXS8 GSM/UMTS/CDMA antenna interface comprises a main GSM/UMTS/CDMA antenna as well as an optional UMTS/CDMA Rx diversity antenna to improve signal reliability and
quality
match at the antenna interface without any damage, even when transmitting at maximum RF
power.
The external antenna must be matched properly to achieve best performance regarding radiated power, modulation accuracy and harmonic suppression. Matching networks are not included on the PXS8 PCB and should be placed in the host application, if the antenna does not
have an impedance of 50
Regarding the return loss PXS8 provides the following values in the active band:
Table 10: Return loss in the active band
1
. The interface has an impedance of 50. PXS8 is capable of sustaining a total mis-
.
State of moduleReturn loss of moduleRecommended return loss of application
Receive>
Transmit not applicable >
Idle<
8dB> 12dB
12dB
5dBnot applicable
1.
By delivery default the optional UMTS/CDMA Rx diversity antenna is configured as available for the module. To avoid negative side effects and performance deg radation it is recommende d to disable the diversity antenna path if
- the host application does not support a diversity antenna
- the host application includes a diversity antenna - but a 3G network simulator is used for development
and performance tests.
Please refer to [1] for details on how to configure antenna settings.
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PXS8 Hardware Interface Description
5.1 GSM/UMTS/CDMA Antenna Interface
33
5.1.1Antenna Installation
The antenna is connected by soldering the antenna pads and their neighboring ground pads
directly to the application’s PCB.
The distance between the antenna pads and their neighboring GND pads has been optimized
for best possible impedance. To prevent mismatch, special attention should be paid to these
pads on the application’ PCB.
The wiring of the antenna connection, starting from the antenna p ad to the application’s ante nna should result in a 50
be optimized with regard to the PCB’s layer stack.
To prevent receiver desensitization due to interferences generated by fast transients like high
speed clocks on the external application PCB, it is recommended to realize the antenna connection line using embedded Stripline rather than Micro-Stripline technology.
line impedance. Line width and distance to the GND plane need to
For type approval purposes, the use of a 50
be necessary. In this case the U.FL-R-SMT connector should be placed as close as possible
to PXS8‘s antenna pad.
coaxial antenna connector (U.FL-R-SMT) might
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PXS8 Hardware Interface Description
Short circuit
protection
(Imax=50mA)
VGNSS
ANT_GNSS
Active
GNSS
antenna
10nH
47pF
2p2
Module
SMT interface
ANT_GNSS_DC
typ 3.05V max. 300m A
Not short circuit protected!
1uF
(Optional)
ESD
protection
10k
Supply with short circuit protection
LDO
VGNSS
ANT_GNSS
Active
GNSS
antenna
10nH
47pF
2p2
Module
SMT interface
ANT_GNSS_DC
1uF
(Optional)
ESD
protection
10k
Enable
External
voltage
Supply with external LDO employed
5.2 GNSS Antenna Interface
33
5.2GNSS Antenna Interface
In addition to the RF antenna interface PXS8 also has a GNSS antenna interface. The GNSS
antenna installation and connector are the same as for the RF antenna interface (see Section
5.1.1). For use with GPS and GLONASS it is recommended to use a GPS and GLONASS ca-
pable antenna.
It is possible to connect active or passive GNSSS antennas. In either case they must have 50
Ohm impedance. The simultaneous operation of GSM/CDMA and GNSS has been implemented.
PXS8 provides the supply voltage VGNSS for the GNSS active antenna (3.05V). It has to be
enabled by software when the GNSS receiver shall becomes active, otherwise VGNSS should
be off (power saving). VGNSS is not short circuit protected. This will have to be provided for by
an external application. The DC voltage should be fed back via ANT_GNSS_DC for coupling
into the GNSS antenna path. Figure 6 shows the flexibility in realizing the power supp ly for an
active GNSS antenna by giving two sample circuits realizing the supply voltage for an active
GNSS antenna - one with short circuit protection and one with an external LDO employed.
Figure 6: Supply voltage for active GNSS antenna
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PXS8 Hardware Interface Description
VGNSS
ANT_GNSS
Passive
GNSS
antenna
10nH
47pF
2p2
Module
SMT interface
ANT_GNSS_DC
(Optional)
ESD
protection
0R
Not used
5.2 GNSS Antenna Interface
33
Figure 7 shows sample circuits realizing ESD protection for a passive GNSS antenna.
Figure 7: ESD protection for passive GNSS antenna
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PXS8 Hardware Interface Description
Top view
Bottom view
6 Mechanics, Mounting and Packaging
35
6Mechanics, Mounting and Packaging
6.1Mechanical Dimensions of PXS8
Figure 8 shows a 3D view1 of PXS8 and provides an overview of the board's mechanical di-
mensions. For further details see Figure 9.
Length:33mm
Width:29mm
Height:2mm
Figure 8: PXS8 – top and bottomview
1.
The coloring of the 3D view does not reflect the module’s real color.
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PXS8 Hardware Interface Description
Internal use;
Not to be soldered
Position marker
6.1 Mechanical Dimensions of PXS8
35
Figure 9: Dimensions of PXS8 (all dimensions in mm)
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PXS8 Hardware Interface Description
7 Sample Application
37
7Sample Application
Figure 10 shows a typical example of how to integrate an PXS8 module with an application.
The audio interface demonstrates the balanced connection of microphone and earpiece. This
solution is particularly well suited for internal transducers.
The PWR_IND line is an open collector that needs an external pull-up resistor which connects
to the voltage supply VCC µC of the microcontroller. Low state of the open collector pulls the
PWR_IND signal low and indicates that the PXS8 module is active, high level notifies the Power-down mode.
If the module is in Power-down mode avoid current flowing from any other source into the module circuit, for example reverse current from high state external control lines. Therefore, the
controlling application must be designed to prevent reverse flow. If an external level controller
is required, this can be done by using for example a 5V I/O tolerant buffer/driver like a
"74AVC4T245" with OE
(Output Enable) controlled by PWR_IND.
While developing SMT applications it is strongly recommended to provide test points
for certain signals resp. lines to and from the module - for debug and/or test purposes.
The SMT application should allow for an easy access to these signals. For details on
how to implement test points see [4].
The EMC measures are best practice recommendations. In fact, an adequate EMC strategy for
an individual application is very much determined by the overall layout and, especially, the position of components.
Disclaimer:
No warranty, either stated or implied, is provided on the sample schematic diagram shown in
Figure 10 and the information detailed in this section. As functionality and compliance with na-
tional regulations depend to a great amount on the used electronic components and the individual application layout manufacturers are required to ensure adequate design and operating
safeguards for their products using PXS8 modules.
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PXS8 Hardware Interface Description
47k
100k
VCC µC
47k
EMERG_RST
PWR_IND
CCIN
220nF
1nF
PXS8
ApplicationSample
2
8
Level
Controller
8
VEXT (1.8V)
V
CCB
V
CCA
VCC µC
VDD
(1.8V)
ANT_DRX
ANT_MAIN
ANT_GNSS
Current
limiter
<60mA
VGNSS
OE
7 Sample Application
37
BC847
BC847
2
2
100µF
2
...220µF
ultra low ESR
10µF
470R
1µF
1µF
EPP
AGND
CCVCC
CCRST
CCCLK
Figure 10: PXS8 sample application
FB*
1k
FB*
FB*
1k
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PXS8 Hardware Interface Description
DSB75
Standard
80 polig Flex
PC
GSM/UMTS/
CDMA
test equipment
GNSS
test equipment
GSM/UMTS/CDMA Main
RS232
cable
USB
cable
Audio
test equipment
Votronic
handset
Power
supply
COM1
(ASC0)
Power
GND
USB
ANT3
ANT2
ANT1
Audio
Uranus
Audio
DSB75 adapter
PXS8
evaluation
module
Detail:
S
M
A
t
o
H
i
r
o
s
e
U
.
F
L
c
a
b
l
e
UMTS/CDMA Drx
GNSS
I
f
u
s
i
n
g
a
n
a
l
o
g
a
u
d
i
o
PXS8
evaluation
module
Edge mount SMA connectors
manually soldered to antenna pads
8 Reference Approval
39
8Reference Approval
8.1Reference Equipment for Type Approval
The Cinterion Wireless Modules reference setup submitted to type approve PXS8 is shown in
Figure 11. The module (i.e., the evaluation module) is connected to the DSB75 by means of a
flex cable and a special DSB75 adapter. The GMS/UMTS/CDMA/GNSS test equipment is connected via edge mount SMA connectors soldered to the module’s antenna pads.
For ESD tests and evaluation purposes, it is also possible connect the module to the GSM/
UMTS/CDMA/GNSS test equipment through an SMA-to-Hirose-U.FL antenna cable and the
SMA antenna connectors of the DSB75 adapter.
A further option is to mount the evaluation module directly onto the DSB75 adapter’s 80-pin
board-to-board connector and to connect the test equipment as shown below.
Figure 11: Reference equipment for type approval
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PXS8 Hardware Interface Description
8.2 Compliance with FCC and IC Rules and Regulations
39
8.2Compliance with FCC and IC Rules and Regulations
The Equipment Authorization Certification for the Cinterion Wireless Modules reference application described in Section 8.1 will be registered under the following identifiers:
FCC Identifier QIPPXS8
Industry Canada Certification Number: 7830A-PXS8
Granted to Cinterion Wireless Modules GmbH
Manufacturers of mobile or fixed devices incorporating PXS8 modules are authorized to use
the FCC Grants and Industry Canada Certificates of the PXS8 modules for their own final products according to the conditions referenced in these documents. In this case, the FCC label of
the module shall be visible from the outside, or the host device shall bear a second label stating
"Contains FCC ID QIPPXS8" and accordingly “Contains IC 7830A-PXS8“. The integration is
limited to fixed or mobile categorised host devices, where a separation distance between the
antenna and any person of min. 20cm can be assured during normal operating conditions. For
mobile and fixed operation configurations the antenna gain, including cable loss, must not exceed the limits 3.92 dBi (850 MHz) and 2.51 dBi (1900 MHz).
IMPORTANT:
Manufacturers of portable applications incorporating PXS8 modules are required to have their
final product certified and apply for their own FCC Grant and Industry Canada Certificate related to the specific portable mobile. This is mandatory to meet the SAR requirements for portable
mobiles (see Section 1.3.1 for detail).
Changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.
Note: This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules and with Industry Canada licence-exempt RSS
standard(s). These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by one or more of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
•Consult the dealer or an experienced radio/TV technician for help.
This Class B digital apparatus complies with Canadian ICES-003.
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PXS8 Hardware Interface Description
9 Appendix
41
9Appendix
9.1List of Parts and Accessories
Table 11: List of parts and accessories
DescriptionSupplierOrdering information
PXS8CinterionStandard module
Cinterion Wireless Modules IMEI:
Ordering number: L30960-N2600-A300
PXS8 Evaluation ModuleCinterionOrdering number: L30960-N2601-A300
DSB75 Support BoxCinterionOrdering number: L36880-N8811-A100
DSB75 adapter for mounting
the PXS8 evaluation module
Votronic HandsetVOTRONICVotronic HH-SI-30.3/V1.1/0
SIM card holder incl. push
button ejector and slide-in
tray
U.FL antenna connectorHirose or Molex Sales contacts are listed in Table 12 and Table 13.
CinterionOrdering number: L30960-N2301-A100
VOTRONIC
Entwicklungs- und Produktionsgesellschaft für elek-
tronische Geräte mbH
Saarbrücker Str. 8
66386 St. Ingbert
Germany
Phone: +49-(0)6 89 4 / 92 55-0
Fax: +49-(0)6 89 4 / 92 55-88
Email: contact@votronic.com
MolexOrdering numbers: 91228
91236
Sales contacts are listed in Table 12.
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9.1 List of Parts and Accessories
41
Table 12: Molex sales contacts (subject to change)
Molex
For further information please click:
http://www.molex.com
Molex China Distributors
Beijing,
Room 1311, Tower B, COFCO Plaza
No. 8, Jian Guo Men Nei Street, 100005
Beijing
P.R. China
Phone: +86-10-6526-9628
Fax: +86-10-6526-9730
Table 13: Hirose sales contacts (subject to change)