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Page 1: Technical Information
Technical Information Motorola C24 Developer’s Guide Module Hardware Description DECEMBER 15, 2008 6802985C52-A... - Page 2 Motorola, Inc. does not assume any liability arising out of the application or use of any product, software, or circuit described herein;...
- Page 3 High Risk Activities. Trademarks MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Copyright 2008 Motorola, Inc.
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Page 5: Table Of Contents
Table of Contents Manual Scope ..............vii Target Audience . - Page 6 Table of Contents Turning the C24 Off ............13 Turning the C24 Off Using ON_N.
- Page 7 Motorola Workflow ........
- Page 8 Table of Contents C24 Module Hardware Description December 15, 2008...
- Page 9 List of Figures C24 Block Diagram ............7 ON_N Power On Timing .
- Page 10 List of Tables Product Specifications ............2 C24 Operating Modes.
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Page 11: Manual Scope
C24. —describes the pin assignments for C24 connectors. • Chapter 3 —describes C24 mechanical specifications and requirements. • Chapter 4 —provides contact information for Motorola Service Support and Customer • Chapter 5 Assistance. December 15, 2008 C24 Module Hardware Description... -
Page 12: Applicable Documents
Failure to comply with these precautions violates safety standards of design, manufacture and intended use of the product. Motorola assumes no liability for customer failure to comply with these precautions. The C24 must be operated at the voltages described in the technical documentation •... -
Page 13: Antenna And Transmission Safety Precautions
Preface Antenna and Transmission Safety Precautions User Operation The C24 module is normally supplied without an antenna, and is compliant with SAR requirements provided the following conditions are observed. Do not operate your unit when a person is within 8 inches (20 centimeters) of the antenna. A person or object within 8 inches (20 centimeters) of the antenna could impair call quality and may cause the phone to operate at a higher power level than necessary. -
Page 14: Contact Us
Data Signaling Conformance Test Specification For CDMA2000 Air Interface - 3GPP2 C.S0062. Contact Us We at Motorola want to make this guide as helpful as possible. Keep us informed of your comments and suggestions for improvements. For general contact, technical support, report documentation errors and to order manuals, use this email address: M2M.CustomerCare@motorola.com... - Page 15 Preface Important Presents information to help you avoid an undesirable situation Important: or provides additional information to help you understand a topic or concept. Caution Presents information to identify a situation in which damage to software, stored Caution: data, or equipment could occur, thus avoiding the damage.
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Page 16: Field Service
Motorola, Inc. assumes no liability for the customer’s failure to comply with these requirements. The safety precautions listed below represent warnings of certain dangers of which we are aware. -
Page 17: Caring For The Environment
Disposal of Motorola equipment in EU countries Please do not dispose of Motorola C24 in landfill sites. In the EU, Motorola in conjunction with a recycling partner will ensure that C24 is collected and recycled according to the requirements of EU environmental law. - Page 18 Caring for the Environment Disposal of Motorola equipment in non-EU countries In non-EU countries, dispose of Motorola equipment in accordance with national and regional regulations. RoHS Compliance The C24 product meets the European Union directive for RoHS compliance. The RoHS compliance is subject to a declaration of conformity that may be viewed upon request.
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Page 19: Limitation Of Liability
If CUSTOMER should use any Product or provide any Product to a third party for any such use, CUSTOMER hereby agrees that MOTOROLA is not liable, in whole or in part, for any claims or damages arising from such use, and further agrees to indemnify and hold MOTOROLA harmless from any claim, loss, cost or damage arising from such use. -
Page 20: Warranty Notification
In no event shall Motorola be liable for damages nor loss of data in excess of the purchase price nor for any incidental special or consequential damages* arising out of the use or inability to use the Product, to the full extent such may be disclaimed by law. -
Page 21: Claiming
(IMEI) and mechanic serial number [MSN]. Such information is contained with the Product. You must ensure that all and any repairs or servicing is handled at all times by a Motorola Authorized Service Center in accordance with the Motorola Service requirements... -
Page 22: What Is Not Covered By The Warranty
Motorola may in its discretion carry out such repairs subject to you paying Motorola its fees for such a repair or it may refer you to an authorized third party to carry out such repairs. -
Page 23: Revision History
Preface Revision History Manual Number 6802985C52-A Manual Title C24 Module Hardware Description Version Information The following table lists the manual version, date of version, and remarks about the version Revision History Version Date Issue Remarks December 15, 2008 Initial Release December 15, 2008 C24 Module Hardware Description... - Page 24 Revision History C24 Module Hardware Description December 15, 2008...
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Page 25: Chapter 1: Introduction
Chapter 1: Introduction The C24 is the newest member of Motorola's embedded cellular modules family. Designed with dual band CDMA operation, embedded GPS receiver, and with 1x Data capabilities, C24 can operate on any CDMA 1x network to provide voice and data communications, and positioning information. -
Page 26: Product Specifications
“Safety Statement and Requirements” on page viii “Antenna and Transmission Safety Precautions” on page ix “Preface” Motorola reserves the right to change the specifications without prior notice. Note: Table 1-1: Product Specifications Product Features CDMA 800/1900 Operating systems: Physical Characteristics 45.2 x 24.4 x 5.6 mm... - Page 27 Table 1-1: Product Specifications (Cont.) Environmental -30°C to +85°C Operational temperature: -40°C to +85°C Storage temperature: Performance 3.3 - 4.2 V Operating voltage: 1.5 mA @ SCI2 (Sleep mode) Current consumption: CELL 800: Class 0 (+25 dBm) Maximum Tx output power: PCS 1900: Class 1 (+25 dBm) Interfaces Single 70-pin, board-to-board...
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Page 28: Certifications Approvals
CDMA coverage Wakeup TX enable Reset Antenna Detect AT Command Set Qualcomm QSC6055 Motorola proprietary AT commands Accessories Firmware data loader Data logger Developer Kit Certifications Approvals The C24 module has been tested and certified compliance to the following standards: CTIA (CDG1) •... -
Page 29: Regulatory Approvals
Regulatory Approvals The C24 module has been tested and approved under the standards and regulations listed below: FCC - part 15, 22, 24 • • The following paragraphs must be addressed by the integrator to ensure their host is Important: in compliance to the C24 FCC grant and/or the FCC grant of the host device. - Page 30 Regulatory Approvals C24 Module Hardware Description December 15, 2008...
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Page 31: Chapter 2: Hardware Interface Description
Chapter 2: Hardware Interface Description The following paragraphs describe in details the hardware requirements for properly interfacing and operating the C24 module. Architecture Overview Figure 2-1 below illustrates the primary functional components of the C24. Figure 2-1: C24 Block Diagram December 15, 2008 C24 Module Hardware Description... -
Page 32: Digital Block
Architecture Overview The C24 consists of the following blocks: Digital Block Micro-controller Unit (MCU) for system and user code execution. • Digital Signal Processor (DSP) for voice and data processing. • Serial communications interfaces. • USB driver interface • UARTs •... -
Page 33: Operating Modes
Chapter 2: Hardware Interface Description Operating Modes C24 incorporates several operating modes. Each operating mode is different in the active features and interfaces. Table 2-1 summarizes the general characteristics of the C24 operating modes and provides general guidelines for operation. Table 2-1: C24 Operating Modes Mode Description... -
Page 34: Power Supply
Power Supply Power Supply The C24 power supply must be a single external DC voltage source of 3.3V to 4.2V. The power supply must be able to sustain the voltage level during a transmit current surge, which may reach 600 mA. The C24 interface connector has 8 contacts for the main power supply, as described in Table 2-2. -
Page 35: Power Consumption
Chapter 2: Hardware Interface Description Table 2-3: Recommended Power Supply Filtering Capacitor Usage Description 8.2 pF, 10 pF 1900 MHz CDMA Filters transmission EMI. band 33 pF, 39 pF 800 MHz CDMA band Filters transmission EMI. Power Consumption Table 2-4 specifies typical C24 current consumption ratings in various operating modes. -
Page 36: Power On/Off Operation
Power On/Off Operation Power On/Off Operation When the C24 power supply is stable above the minimum operating level and C24 is powered off, only the internal RTC timer is active. The C24 power on and off process includes two primary phases, which are indicated at the interface connector by the hardware output signals RESET_N and CTS_N. -
Page 37: Turning The C24 On Using Ign
Chapter 2: Hardware Interface Description Turning the C24 On Using IGN To turn on C24, the IGN signal must be asserted high. The IGN signal must remain high for the duration of the C24 operation. C24 powers down when the IGN signal is returned to its low state. Figure 2-3 illustrates the power-on process using the IGN signal. -
Page 38: Turning The C24 Off Using Ign
Power On/Off Operation Figure 2-4 illustrates the power-off timings when using the ON_N signal. Figure 2-4: ON_N Power Off Timing Turning the C24 Off Using IGN The IGN signal may be used to power off C24 only if it was also used to power it on. When the IGN signal is set low, C24 will turn off. -
Page 39: Turning The C24 Off Using At+Mrst
Chapter 2: Hardware Interface Description Turning the C24 Off Using AT+MRST The AT+MRST command initiates a C24 system reset operation, which powers off the C24. This command emulates the ON_N signal operation for power off. Power Loss shut down A low power shut down occurs when C24 senses the external power supply is below the minimal operating limit. -
Page 40: Low Power Mode
Low Power Mode Low Power Mode The C24 incorporates an optional low power mode, called Sleep Mode, in which it operates in minimum functionality, and therefore draws significantly less current. During low power mode the C24 network connection is not lost. C24 continues to monitor the CDMA network constantly for any incoming calls or data. -
Page 41: Serial Interface During Low Power Mode
Chapter 2: Hardware Interface Description Serial Interface During Low Power Mode During low power mode the C24 serial interfaces are disabled. This is indicated by the CTS signal high state. The C24 wakes up periodically from low power mode to page the network for any incoming calls or data. -
Page 42: Temporary Termination Of Low Power Mode
Low Power Mode Temporary Termination of Low Power Mode Temporary termination of low power mode occurs when C24 switches from Sleep mode to Idle mode for a defined period, and then returns automatically to Sleep mode. Low power mode may be terminated temporarily by several sources, some of which are user initiated and others are initiated by the system. -
Page 43: Permanent Termination Of Low Power Mode
Chapter 2: Hardware Interface Description Send data to the application over the serial interface. • Enable the serial interface's Ring Indicator (RI_N) signal. • Data on the Serial interface While C24 is temporarily awake in Idle mode, data may be transmitted on the serial interface. In case data is being transmitted in any direction, C24 will not return to low power mode. -
Page 44: Real Time Clock
Real Time Clock Real Time Clock C24 incorporates a Real Time Clock (RTC) mechanism that performs many internal functions, one of which is keeping time. The RTC subsystem is embedded in the PMIC and operates in all of the C24 operating modes (Off, Idle, Sleep), as long as power is supplied above the minimum operating level. -
Page 45: Serial Interfaces
Chapter 2: Hardware Interface Description Serial Interfaces C24 includes three completely independent serial communications interfaces, which may be used by the application for several purposes. Primary UART (UART1) The C24 primary UART is a standard 8-signal port for RS232. The UART is used for all the communications with C24 - AT commands interface, 1x data and CSD data, programming and software upgrades. -
Page 46: Usb Interface
Serial Interfaces C24 is defined as a DCE device, and the user application is defined as the DTE device. These definitions apply for the UART signals naming conventions, and the direction of data flow, as described in Figure 2-11. Figure 2-11: UART2 Interface Signals The UART default port configuration is 8 data bits, 1 stop bit and no parity, with hardware flow control and 115200 baud rate. -
Page 47: Uim Interface
Chapter 2: Hardware Interface Description UIM Interface The C24 incorporates a UIM interface, which conforms to the ISO/IEC 7816 standard which defines the electrical, signaling and protocol specifications of a UIM card. C24 does not incorporate an on-board UIM card tray for UIM placement. The UIM must be located on the user application board, external to the C24. -
Page 48: Uim Design Guidelines
UIM Interface Table 2-5 details the UIM interface signals. Table 2-5: UIM Interface Signals Pin # Signal Name Description UIM_VCC 2.85V Supply to the UIM UIM_RST_N Active low reset signal UIM_DIO Serial input and output data UIM_CLK Serial 3.25 MHz clock UIM_PD_N Active low card presence detec- tion... -
Page 49: Audio Interface
Chapter 2: Hardware Interface Description Audio Interface The C24 audio interface supports several audio devices and operating modes. The audio interface's operating modes, active devices, amplification levels and speech processing algorithms are fully controlled by the host application, through advanced programming options and a versatile AT commands set. -
Page 50: Headset Microphone Port
Audio Interface Figure 2-15 shows the microphone circuit and Table 2-6 gives the microphone specifications. Figure 2-15: Handset Microphone Circuit The microphone circuit design depends on the type of microphone device. Important: A series capacitor is required in case a passive microphone is used, or the application provides a separate bias voltage to an active microphone circuit.The internal C24 biasing circuit may also be used with an active microphone, which corresponds to the microphone port specifications. -
Page 51: Speaker Port
Chapter 2: Hardware Interface Description The microphone input includes all the necessary circuitry to support a direct connection to a headset microphone device. It incorporates an internal bias voltage of 1.8V through a 2.2kΩ resistor, and has an impedance of 1kΩ. Figure 2-16 shows the microphone circuit and Table 2-7... -
Page 52: Differential Speaker Circuit
Audio Interface It is designed as a differential output with 32Ω impedance, but may also be used as a single-ended output referenced to the C24 analog ground. The speaker output is used for both the handset and the headset audio paths. Figure 2-17 shows a differential speaker circuit, Figure 2-18... -
Page 53: Headset Detection
Chapter 2: Hardware Interface Description When implementing a single ended speaker design, it is required to place a series Important: capacitor and resistor on the speaker output line, as illustrated in Figure 2-18. The capacitor should be of low tolerance with values of C = 10-22 uF. The resistor value depends on the speaker application: - For a handset device, the resistor value should be R = 0 at the design stage, but... -
Page 54: Alert Loudspeaker Port
Audio Interface Alert Loudspeaker Port The alert loudspeaker is the default C24 power-up ringer. It is used for, but not limited to, sounding the C24 alerts, melodies, and rings. It is located at pins 63 and 65 on the C24 interface connector, named ALRT_N and ALRT_P respectively. -
Page 55: Digital Audio Interface
Chapter 2: Hardware Interface Description When implementing a single ended loudspeaker design, it is required to place a Important: series capacitor and resistor on the alert output line, as illustrated in Figure 2-20. The capacitor should be of low tolerance with values of C = 10-22 uF. The resistor value should be R = 0 at the design stage, but may be changed to a Ω... -
Page 56: Operating Modes
Audio Interface Figure 2-21 illustrates the PCM bus format of the voiceband audio configuration. Figure 2-21: Voiceband Mode PCM Bus Coding Format Operating Modes The C24 audio interface includes 2 modes of operation. Each operating mode defines the audio input and output devices to be used for each audio sound type and their programmable settings. Basic Mode Basic mode is the C24 default power-up audio configuration. -
Page 57: Audio Programming Interface
Chapter 2: Hardware Interface Description Unlike basic audio mode, which provides predefined audio paths, the advanced audio mode provides full control over the C24 audio interface and its parameters, and differentiates between each type of audio sound. Table 2-11 describes the advanced mode audio programming features. These features are only a part of the complete advanced audio AT command set. -
Page 58: Audio Algorithms
Audio Interface Figure 2-22 describes the audio programming interface options, which are defined by AT commands. Figure 2-22: Audio Programming Interface Audio Algorithms The C24 audio interface features advanced speech processing algorithms for echo suppression, noise suppression and side-tone feedback Enabling or disabling the algorithms can be configured separately for each audio path and operating mode through the AT command interface. -
Page 59: Gain Control
Chapter 2: Hardware Interface Description Gain Control The amplification (gain) level for each input and output device can be configured through AT commands. Both basic and advanced audio modes provide AT commands to set the desired gain levels for each audio path and audio sound type. Table 2-13 gives the gain control features. -
Page 60: Audio Design
Audio Interface Table 2-15: Microphone and Headset Microphone Port Gains Maximum Input AT Command Gain Level Level (mV Value (dB) Audio Design The audio quality delivered by C24 is highly affected by the application audio design, particularly when using the analog audio interface. Therefore, special care must be taken when designing the C24 audio interface. -
Page 61: Analog Ground
Chapter 2: Hardware Interface Description Analog Ground The C24 interface incorporates a dedicated analog ground contact, AGND pin 59, which is internally connected to the C24's ground. The AGND signal is intended to provide a separate ground connection for the application's external audio devices and circuits. This signal provides an isolated ground connection directly from C24, which is separated from the noisy digital ground of the application. -
Page 62: A/D Interface
A/D Interface A/D Interface The C24 includes 4 Analog to Digital Converter (ADC) signals with 8-bit resolution, for environmental and electrical measurements. The ADC signals measure an analog DC voltage level on their inputs which is converted to an 8-bit digital value for further processing by C24 or the user application. -
Page 63: Supply A/D Specifications
Chapter 2: Hardware Interface Description The measured VCC level can be read and monitored through the AT+MMAD command, which returns the measured VCC level in Volts times 100. For example, a measured supply level of 3.65 Volts will be presented as 365 by the MMAD command. -
Page 64: Controls And Indicators Interface
Controls and Indicators Interface Controls and Indicators Interface The C24 incorporates several interface signals for controlling and monitoring the module's operation. The following paragraphs describe these signals and their operation. Table 2-19 gives a description of the controls and indicators signals. Table 2-19: Controls and Indicators Connector Pin Signal Name... -
Page 65: Wakeup Out
Chapter 2: Hardware Interface Description The VREF regulator is powered from the C24's main power supply, and therefore Important: any current sourced through this regulator originates from the C24 VCC supply. The overall VCC current consumed by C24 is directly affected by the VREF operation. The C24 current consumption rises with respect to the current sourced through VREF. - Page 66 Controls and Indicators Interface signal as an indication to switch from low power mode to normal operation, and activate the serial interface. The wakeup-out mechanism, using the WKUPO_N signal, is controlled by 2 AT commands (see Figure 2-24): ATS102 - Defines the delay time in milliseconds that C24 will wait, after asserting the •...
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Page 67: Antenna Detection
Chapter 2: Hardware Interface Description Antenna Detection The C24 incorporates an internal antenna detection circuit, which senses the physical connection and removal of an antenna or antenna circuit on the C24 antenna connector. The antenna detection state is reported to the application through the ANT_DET output signal, and may also be queried by the ATS97 command. -
Page 68: Gps Interface
GPS Interface GPS Interface The C24's integrated GPS receiver can provide location and position information based on the Global Positioning System satellites. The GPS interface supports the following modes of operation: Autonomous - In this mode the GPS receiver operates stand alone, regardless of CDMA •... -
Page 69: Antenna Interface
Chapter 2: Hardware Interface Description Antenna Interface The C24 antenna connector is the RF interface to the CDMA network and GPS system. The antenna interface is terminated by an MMCX connector type, which is 50 impedance Ω matched at the relevant CDMA frequencies. The antenna or antenna application must be installed properly to achieve best performance. - Page 70 Antenna Interface C24 Module Hardware Description December 15, 2008...
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Page 71: Chapter 3: Electrical And Environmental Specifications
Chapter 3: Electrical and Environmental Specifications Absolute Maximum Ratings Table 3-1 gives the maximum electrical characteristics of the C24 interface signals. Exceeding the values may result in permanent damage to the module. Caution: Table 3-1: Maximum Ratings Parameter Conditions Unit VCC Supply Digital Input Signals C24 powered on... -
Page 72: Environmental Specifications
Environmental Specifications Environmental Specifications Table 3-2 gives the environmental operating conditions of the C24 module. Exceeding the values may result in permanent damage to the module. Caution: Table 3-2: Environmental Ratings Parameter Conditions Unit Standard Operating °C Temperature Storage Temperature °C At antenna connector ±... -
Page 73: Interface Specifications
Chapter 3: Electrical and Environmental Specifications Table 3-3: Interface Specifications Level Signal Active Internal Pin # Name Description I/O PU/PD Parameter Conditions Typ Max Units Power: Ground DC power VCC = 3.6 V supply µA Control: VREF Reference < 150 mA -4% regulator out- WKUPI_N C24 wakeup... - Page 74 Application Interface Specifications Table 3-3: Interface Specifications (Cont.) Level Signal Active Internal Pin # Name Description I/O PU/PD Parameter Conditions Typ Max Units UART2: TXD2_N UART2 TXD 100K RXD2_N UART2 RXD RTS2_N UART2 RTS 100K CTS2_N UART2 CTS < 4 mA UART1: TXD_N UART1 TXD...
- Page 75 Chapter 3: Electrical and Environmental Specifications Table 3-3: Interface Specifications (Cont.) Level Signal Active Internal Pin # Name Description I/O PU/PD Parameter Conditions Typ Max Units UIM Card: UIM_PD_N UIM pres- 100K ence detect UIM_VCC UIM supply 2.85 2.95 1.65 1.95 UIM reset UIM_RST_...
- Page 76 Application Interface Specifications Table 3-3: Interface Specifications (Cont.) Level Signal Active Internal Pin # Name Description I/O PU/PD Parameter Conditions Typ Max Units GPIO: GPIO1 General pur- 22K PU pose I/O GPIO2 General pur- 22K PU pose I/O GPIO3 General pur- 22K PU pose I/O 0.15...
- Page 77 Chapter 3: Electrical and Environmental Specifications Table 3-3: Interface Specifications (Cont.) Level Signal Active Internal Pin # Name Description I/O PU/PD Parameter Conditions Typ Max Units A/D: ADC1 General pur- Maximum 2.75 pose A/D Input Level ADC2 General pur- IN-ACTIVE Active sam- pose A/D pling range...
- Page 78 Application Interface Specifications C24 Module Hardware Description December 15, 2008...
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Page 79: Chapter 4: Mechanical Specifications
Chapter 4: Mechanical Specifications Board Dimensions Figure 4-1 describes the C24 mechanical characteristics. Figure 4-1: C24 Mechanical Characteristics December 15, 2008 C24 Module Hardware Description... -
Page 80: Interface Connector Specifications
Interface Connector Specifications Interface Connector Specifications The C24 uses a single 70-pin, 0.5 mm pitch, board to board connector for the application interface, as described in Table 4-1. Table 4-1: C24 interface connector options C24 Connector Mating Connector Stacking Height Molex 53748-0708 Molex 52991-0708 3.0 mm... -
Page 81: Mating Connector
Chapter 4: Mechanical Specifications Mating Connector The mating connector incorporate the same electrical and mechanical characteristics as the corresponding C24 interface connector, which is described in Table 4-2. Figure 4-3 provides a reference drawing of the mating connector mechanical dimensions. Figure 4-3: Mating Connector Dimensions For more information on the C24 mating connector, please refer to the Molex web site at http://www.molex.com. -
Page 82: Rf Connector Specifications
RF Connector Specifications RF Connector Specifications The C24 uses a standard MMCX receptacle connector for the radio interface. Figure 4-4 shows the MMCX connector dimensions. Figure 4-4: MMCX Connector Dimensions Table 4-3 describes the C24 RF connector characteristics. Table 4-3: RF Connector Specifications Parameter Specifications 335 V... -
Page 83: Optional Mmcx Cable Assembly
Chapter 4: Mechanical Specifications Such a cable assembly example is the Huber-Suhner PN 11_MMCX-50-1-2/111_OH, which is illustrated in Figure 4-5. Figure 4-5: Optional MMCX Cable Assembly December 15, 2008 C24 Module Hardware Description... -
Page 84: C24 Mounting
C24 Mounting C24 Mounting The C24 incorporates 2 mechanical holes for installing the module onto the application board. The holes are 2.4 millimeters in diameter, which accommodates several types of mechanical elements. Several mechanical approaches may be applied to mount and fasten C24 to the application board. Using M2 screws with suitable washers to mount the module onto spacers, a bracket or chassis is a recommended design. -
Page 85: Chapter 5: Service And Testing
The support services provided by Motorola are subject to the agreement between the Note: customer and Motorola and may be at an additional charge to the customer. Motorola will inform the customer in advance of any such charge. Indirect Customer. Send requests to your distributor and not to Motorola help desk. -
Page 86: Motorola Workflow
DTE • AT+CMER=0,0,1,1 // Motorola Workflow The help desk uses the following workflow when responding to new calls: 1. Each new call is registered in the help desk data base. -
Page 87: Service Centers
Tel: 54 11 4309 2046 FeiHongDaLi Telecommunications Technology Co.Ltd.,TianjinSHi B-6F JuFu Yuan Building XinKai Road, Hedong District, Tianjin 300011 China Field service should be coordinated with the Service Manager in Motorola using the following email address: n2csfs01@motorola.com December 15, 2008 C24 Module Hardware Description... -
Page 88: Testing A Standalone Unit
“Chapter 2: Developer Board and Interfaces Description” in the “C24 Developer’s Kit” (Motorola part no. 6802985C53) 3. Verify that the C24 has adequate reception from the local network 4. Connect the Developer Board’s RS232 port to the computer’s serial port 5. -
Page 89: Test Setup
Chapter 5: Service and Testing 6. Open a second terminal window and configure it to operate with the serial port occupied by the line modem Developer Board Computer Serial with C24 unit Cable To telephone line Line Modem Serial Serial RS232 wall outlet (internal or external) -
Page 90: Test Procedure
Testing a Standalone Unit Test Procedure To Perform the C24 Test Follow the procedure below to perform the C24 test: 1. Verify that the line modem is functioning and communicating with the computer by entering the AT command at in the modem’s terminal window This common AT command prompts a properly working modem to reply 2. -
Page 91: Acronyms And Abbreviations
Acronyms and Abbreviations Abbreviation Full Name Adaptive Multi Rate Advice of Charge Baud Rate Bits Per Second Circuit Switched Data Clear to Send Data Carrier Detect Data Communication Equipment (such as modems) Digital Cellular System (GSM in the 1800MHz band) Department of Communications (Canada) Discontinuos Reception Digital Signal Processor... - Page 92 Abbreviation Full Name Electromagnetic Compatibility Enhanced Observed Time Difference EOTD Electronic Point of Sale EPOS Effective Radiated Power Electrostatic Discharge European Telecommunication Standards Institute ETSI Federal Communications Commission (U.S.) Full Rate Full Type Approval GSM Certification Forum General Purpose Input/Output GPIO General Packet Radio Service GPRS...
- Page 93 Acronyms and Abbreviations Abbreviation Full Name Packet Data Unit Phase-locked Loop PCS-1900 Type Certification Review Board (GSM North America) PTCRB Pull Up Radio and Telecommunications Terminal Equipment R&TTE Root Mean Square Ring Indicator Request To Send Specific Absorption Rate Subscriber Identity Module Short Message Service Serial Peripheral Interface Time Division Multiple Access...
- Page 94 Abbreviation Full Name Universal Asynchronous Receiver Transmitter UART Universal Serial Bus Unstructured Supplementary Services Data USSD Voltage Common Collector Voltage Standing Wave Ratio VSWR Acr & Abbr-4 C24 Module Hrdware Description December 15, 2008...
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Page 95: Index
Index , ix Antenna Installation Physical Specifications , ix Approvals Precautions Regulatory Product Specifications Block Diagram Description Regulatory Approvals , ix Safety Precautions Abbreviations Specifications , ix Antenna Installation Environmental Block Diagram Description Physical , ix Product Specifications Standards , 61 Regulatory Approvals Support Center , ix... - Page 96 Index U - U Index-2 C24 Module Hardware Description December 15, 2008...
- Page 98 MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. ©Copyright 2007 Motorola, Inc. Java™Technology and/or J2ME™: Java and all other Java–based marks are trademarks or registered trademarks of Sun Microsystems, Inc.