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NOKIA PREMICELL RS232 DATA User's Guide

1. NOKIA PREMICELL RS232 DATA User s Guide Nokia is a registered trademark of Nokia Corporation Finland 1997 Nokia Mobile Phones Ltd All rights reserved Nokia Mobile Phones operates a policy of continuous development Therefore we reserve the right to make changes and improvements to any of the products described in this guide without prior notice Nokia Mobile Phones is not responsible for any loss of data income or any consequential damage howsoever caused Issue 1 9351672 Important Safety Information FOR YOUR SAFETY INTERFERENCE Read and follow all warn All radio transmitting ing notices and instruc devices may at times tions included in the sales incur interference which package in this User s could affect guide and marked on the performance product itself Breaking Only qualified service the rules may be danger personnel must repair ous and or illegal Further equipment detailed information is given in this User s guide CONNECTING TO OTHER MAKE BACKUP COPIES DEVICES Remember to make When connecting to any backup copies of all other device please refer important data to pro to its user s guide for tect against its possible detailed safety instruc loss or alteration tions do not connect incompatible products Do not drop or knock the adapter or any way handle it roughly Do not expose the adapter to moisture or excessive heat Do not attempt to open the data adapter Keep the connectors of th
2. does not be come full and overflow resulting in errors or loss of data Software and hardware controlled flow controls are the two most commonly used flow control methods The computer is often able to send data to the terminal faster than the terminal can transmit it to the network To prevent the terminal buffer from overflowing the terminal alerts the computer when the buffer is almost full All data applications do not allow you to change the flow control settings of the application itself so the only possibility is to change the flow control settings of the terminal Settings can typically be changed by adding the string S34 1 or S34 2 at the end of the initialization string of your application The S34 register is used to control the flow control settings of the termi nal The value 1 is the XON XOFF or software flow control and the value 2 is the RTS CTS or hardware flow control method You can also use the AT IFC command to change the flow control settings See the list of AT Commands for further details on the command To change the flow con trol method of your communications application refer to its documenta tion Note Make sure that the same flow control method Is selected for the terminal and for the communications application Communications Applications You can use your data adapter with a variety of communications applica tions One basic setting you may need to check is the communications port COM port us
3. e data adapter clean Insert the data adapter correctly into the PremiCell terminal The cable to be used with this product is in the sales package If you need additional cables consult your dealer or network service provider in order to get a compatible cable Using This Guide The wireless device described in this guide is designed to be used with Nokia PremiCell 09i 18i terminals in a GSM 900 1800 network For further information about different network services operational in GSM 900 and GSM 1800 networks please consult with your network service providers All the safety instructions in the user s guides of your PremiCell terminal and per sonal computer also apply when the equipment is used for data calls TABLE OF CONTENTS Important Safety Information vectvicsstelact cast vethcel seine aiialandianasnie 2 Your Data Adapter sess cite ceves aces sncacas aeeucen Aaeiceh eae adamant 3 S pported Computer Types vi cticscsccind tcostucclsaySectecesxcntaadeiasttanesceintetintetetedeess 4 Installing the Data Ada Pterciwntienkannidsdnkieneken id atamaniane 4 Introduction to Wireless COMMUNICATION cccscsecssesessesestssessessesteseeseesesseeseeass 6 Factors that May Affect Wireless Data TransMiSsiOn ssssssssesessseeseseees 6 POW OMI Olt csdest Jaececternansisinitel a ect iam assis aes 7 COMMUNICATIONS AD PIICALIONS f nsiveiniutacauien auneam naan 8 pata Calls ereinen cncatedl encase sO secede histuntedt Couns dtied Minetedauned
4. ed by your application The COM port in your applica tion must correspond to the port that your data adapter is configured to use See also the Flow Control section above If you have any problems turn to the Troubleshooting section at the end of this User s Guide AT Commands and S registers The terminal is designed to be controlled within communication applica tions with so called AT commands in a way very similar to a modem AT commands order the data adapter to perform a task while S registers are used to determine how some AT commands will perform a task or to con figure other options Most communications applications have a user friendly interface that hides AT commands from the user Advanced users can also operate the data adapter manually with the AT commands See the List of AT Com mands for more information on the available commands and S registers that can be used to control the terminal Data Calls There are usually two ways to make a data call You can either use the pull down menus of your communications application or use the AT commands to control the terminal Once the dial command has been is sued the terminal opens the connection and dials the number indicated 8 1999 Nokia Mobile Phones All Rights Reserved Short Messages Short Messages Service SMS messages are short text messages of up to 160 characters which can be transmitted over a digital wireless network It is possible to send SMS messages to di
5. er System Sometimes in an AC power system there may be voltage peaks which can disturb a connection The data may become corrupted and the transmis sion Is halted Should this happen you may need to restart your computer as well as the terminal and then establish a new connection 6 1999 Nokia Mobile Phones All Rights Reserved Low Signal Strength Due to either distance or obstacles radio signal strength from a cell site may not be strong or stable enough to provide a reliable connection Therefore to ensure the best possible conditions for communication re member to consider the following points e The data connection functions best if the terminal is in a stationary position e Check that the terminal has enough signal strength Moving the ter minal within a room especially closer to a window may result ina stronger signal If the signals are not strong enough to support a voice call you should not attempt to establish a data connection either For monitoring the strength of the signal see the Nokia PremiCell User s Guide section 2 Installation Also keep your terminal and computer 50 cm or more apart to avoid radio frequency disturbances interference and to ensure the best possible radio operation Flow Control Flow control is a method of stopping and restarting data flow between two devices This prevents one device from receiving too much data from the other so that its buffer a temporary data storage area
6. gital wireless phones or fixed wireless terminals from other wireless devices or remote computer termi nals These short messages will then be stored by the network service cen tre until delivery and are acknowledged upon receipt Short messages are always sent first to a Short Message Service Centre run by the wireless network which then forwards the message to the recipient Short Message Facility of the Terminal You can display the received messages by using the keyboard of your computer To activate the Nokia SMS Interpreter give the AT command AT C see the list of AT Commands for more details on the command You can access SMS services more conveniently via specific SMS applications e g Nokia DataSuite see the Using Nokia DataSuite section below Using Nokia DataSuite You can use Nokia DataSuite to send and receive SMS messages on your computer via the PremiCell terminal Nokia DataSuite includes a compre hensive set of features These include e g fax file transfer e mail and Internet access Note To use DataSuite you need to have a Nokia AFW 1 data adapter accessory For more information on your DataSuite soft ware see the Installation guide included in the DataSuite sales package and Nokia s web site at www nokia com 1999 Nokia Mobile Phones All Rights Reserved 9 Technical Specifications Data Facility e Non transparent bearer service e AT Command Set with industry de facto extensions and extensions f
7. ition and dialling then disconnects again If the problem persists an external the call antenna may be needed Make sure that the remote modem supports the selected protocol data mode 1999 Nokia Mobile Phones All Rights Reserved Data is scrambled lost Make sure that you have the same flow control during data transmis method selected for the data adapter and for sion the communications application Try again You may have a poor connection See the above section Factors That May Affect Wireless Data Transmission in this guide 14 1999 Nokia Mobile Phones All Rights Reserved
8. l terminal operates Networks differ from land line networks in many ways for example traffic loads and the strength of radio signals may vary in a wireless network and cause handovers It is recommended that you install the PremiCell terminal to a location where the strongest possi ble signal can be obtained see the Low Signal Strength section below When the signal is strong the data transmission is most efficient Factors that May Affect Wireless Data Transmission Noise Wireless connections may be impaired by radio interference from elec tronic appliances and equipment as well as from other terminals or phones Handover As e g aeroplanes or big trucks move near the area where the terminal is located the strength of the channel drops and the network hands the user over to a different cell and frequency where the signal is stronger A handover may also occur due to varying wireless traffic loads Such handovers may cause slight delays Dead Spots Dead spots are areas where radio signals cannot be received Electrostatic Discharge ESD A discharge of static electricity from a finger or a conductor may cause er roneous functions in electrical devices The discharge can result in an un reliable wireless connection the data may then become corrupted and the transmission halts Should this happen you may need to restart your com puter as well as the terminal and then establish a new connection Fast Transients in the AC Pow
9. rom the European Telecommunication Standard ETS 300642 and from V 25ter e V 25bis Command Set e Data Terminal Equipment controlled dialling and answering e Supported data rates 300 1200 2400 4800 7200 and 9600 bits Short Messages Facility e European Telecommunication Standard ETS 300585 e Nokia SMS Interpreter DTE Data Rates e 300 19 200 Terminal Parameters e Asynchronous e Data bits 7 or 8 Stop bits 1 or 2 e Parity none odd even Flow Control e Hardware RTS CTS or software XON XOFF or both or none Stored Configurations e Two user definable sets User Profile O and User Profile 1 Terminal Interface e Compatible with Nokia PremiCell 09 and Nokia PremiCell 18 Specifications are subject to change without notice 10 1999 Nokia Mobile Phones All Rights Reserved Troubleshooting Overview This chapter points out the basic problems that could occur when oper ating with the data features of the PremiCell terminal If the information is not transferred from the transmitting device to the receiving device the cause of the error could be in the equipment at either end It could also be in the communications application or the result of a poor communica tion line Incompatibilities may also cause problems With the AT command AT amp F you can restore the factory settings of the data adapter including all the S register settings You should note how ever that this command does not save them If you
10. uee 8 SHOPEIMIESS AG CS m secant ee ietamenbet nanan 9 Short Message Facility of the Terminal ssscssssssscsesssscssesessseseseesssseesesesseees 9 Using Nokia Data Suite sanea 9 lechnical Specifica tioN S vesccscssisctsiesscaccussccaccsuctaats acute deidacasaected ccntatacneics 10 Troubleshooting iea a Moots bixtomaitheciertaet vers 11 Your Data Adapter The data adapter grants you access from your personal computer to net work services via your PremiCell terminal Please ask your network oper ator for information on the availability of different services Before you can benefit from the services provided by the data adapter you may need to subscribe to the corresponding services data fax and SMS short mes sages service available from your network operator Note Use the data adapter and its cable only with PremiCell 09i 18i terminals Please note that normal landline modem is not compatible with the Nokia PremiCell 09i 18i so you cannot connect it to the terminal s phone or fax socket If you have a fax modem however you can connect it to the ter minal s fax socket to send faxes from your computer Please also note that normal computer fax applications cannot be used with the direct RS232 data connection You can have access to computer fax services with the Nokia DataSuite software described later in this User s guide 1999 Nokia Mobile Phones All Rights Reserved 3 Picture 1 AFW 3 data adapter enables the
11. use of advanced communica tion functions of GSM networks via your PremiCell terminal Supported Computer Types The data adapter can be used with most modern personal computers equipped with an RS232 serial port Installing the Data Adapter The sales packet includes e Data adapter AFW 3 e SiM cover modified for data use e This User s guide e List of AT Commands Note Do not start your communications application before you have connected the data adapter to the serial port of your computer and to your terminal 4 1999 Nokia Mobile Phones All Rights Reserved Installation procedure Switch off the termi nal and your compu ter Remove the old SIM cover and remove your SIM card from it see picture Attach your SIM card to the new modified SIM cover and insert it into the terminal see picture Connect the data adapter to the connector C of your premiCell terminal with the Nokia logo fac ing up see picture Connect the other end of the cable to the RS232 serial port of your compu ter Check that both ends of the cable are firmly connected Now you can power up your com puter and PremiCell terminal To install the modem profiles on your computer please refer to the handbooks help files of your computer operating system 1999 Nokia Mobile Phones All Rights Reserved 5 Introduction to Wireless Communication Wireless data connections can be made from most locations where your PremiCel
12. want to save the fac tory settings for further use save them either with the command AT amp WO or AT amp W1 in either User Profile O or User Profile 1 When you change S register settings the Active User Profile changes New settings in the active profile are not permanently stored unless the command AT amp WO 1 is issued to the terminal 1999 Nokia Mobile Phones All Rights Reserved 11 Table 1 Solutions for difficulties you may have when establishing a connection between terminal and computer The terminal does not respond Terminal does not respond correctly during initialization Terminal does not echo back AT commands correctly 12 Make sure that the adapter is properly inserted into the terminal and the compu ter Make sure that the communications appli cation has the correct COM port selected Check that the modem type and its initializa tion string are correct for the terminal See the documentation of the application you are using for further details on how to change or customize the modem settings Make sure that all AT commands are termi nated with a carriage return lt ENTER gt Use your communications application to verify that the computer has a valid character format See the Technical Speci fications for the valid formats Make sure that the computer s nominal data rate is supported by the terminal Issue the ATE1 command to ensure that characters can be echoed back to
13. your monitor An OK response should appear Then enter an AT command and carriage return to check that characters are dis played on the monitor 1999 Nokia Mobile Phones All Rights Reserved Table 2 Solutions to problems that may occur when your terminal fails to start communication The terminal starts D All the channels in your area may be occu dialling but does pied at the moment Wait for a few seconds not make a before redialling This may also occur when connection you are dialling a voice call Move to a better position and try again You may have a poor connection Some network operators may not support autobauding Try typing the command ATS35 6 in your application This com mand selects a fixed transmission speed of 9600 bps If this does not help try entering other values for the S register See the List of AT Commands for further information on other S register values Data services are not necessarily automat ically activated in the service subscription of your network operator If you are not sure whether the services are activated please contact your local network operator Terminal does not Verify that the Auto Answer Ring Count con automatically figuration option S register SO is set to a answer an incom value other than O the function is disabled ing call when the value is 0 Terminal establish You may have poor radio communication es a connection but Try moving to a better pos

NOKIA PREMICELL RS232 DATA User's Guide

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