User Manual for VE GSM Modem - Vernier Technical Services LLC
Contents
1. MANES media converters User Manual for VE GSM Modem INTRODUCTION GSM GPRS Smart Modem is a multi functional ready to use rugged unit that can be embedded or plugged into any application The Smart Modem can be controlled and customized to various levels by using the standard AT commands The modem is fully type approved it can speed up the operational time with full range of Voice Data Fax and Short Messages Point to Point and Cell Broadcast and the modem also supports GPRS Class 10 for spontaneous data transfer The Smart Modem supports previous VEsions of Class 2 and the latest VEsions of Class 10 The TCP IP suite amp PPP protocol is built in Physical Characteristics 93 x 81 x 26 mm excluding connectors Metallic Enclosure Functions GSM Modes Quad Band Extended GSM 850 900 MHz Class 4 2W and GSM 1800 1900 Class 1W Serial interface RS232 RS485 V 24 V 28 Auto bauding function Interface AT command set based on V 25ter and GSN 07 05 amp 07 07 Mobile Originated MO and Mobile Terminated MT SMS Mode Text amp PDU point to point Cell broadcast In accordance with GSM 07 05 Asynchronous 2400 4800 9600 14400 upto 115000 bits s Data Transparent and Non Transparent mode Half Rate Full Rate Enhanced Full Rate Installing the Modem To install the modem plug the device on the provided SMPS Adapter Inserting Removing the SIM Card To insert or Remove the SIM Card it is2. 44 Passing some time delay less than I min Connect 9600 message will appear on both hyper terminals it indicates data call has started Now type the data on hyper terminal of PC1 it should be appearing on another hyper terminal of PC2 You can transfer file size between two hyper terminals using GSM modems P O Box 234911 Dubai UAE Tel 971 4 2955966 Fax 971 4 2955977 E mail sales VEniertech net
3. holder of the Modem If SIM card is inserted insure that it is clean and properly inserted 11 SIM PIN required Enter PIN Code 12 SIM PUK required Enter PUK code Call your network provider SIM Failure Check validity of your SIM Card If SIM damaged call network provider 26 Dail String too long Check your phone number max 20 digit 30 No Network Servie O S For all other codes and or details see AT commands manual 3 4 10 11 12 13 16 17 18 26 30 MANES Setup Diagram Serial Cable PC with Serial Com Port media converters GSM Network PC with Serial Com Port Serial Cable Procedure 1 7 8 Open HyperTerminal utility on PC1 with following serial setting 34 Baud rate 9600 Data Bit 8 34 Parity None 34 Stop bit 34 Flow control None Above serial parameter can be change as per setup requirement Open Hyper terminal Utility on PC2 with setting given as above Connect both the modems to serial com ports Put the Data Mode activated SIM card in SIM card holder Power on the both modems wait till the time LED on the modem starts Blinking Use following at commands for active the Data call for data transfer from hyper terminal 34 For Data call ATD98XXXXXXXX Modem will generate data call form PC1 3 4 For Auto answering ATSO 2 Issue this command on PC2 so the modem will answer the call after two rings
4. S485 is 2 wire interface which has following signals 3 pin screw type connector MANES media converters Some basic AT Commands for Dialing SMS Read write signal quality SMS send receive Following commands selects the procedure for message reception from the network and transmission to the network Command G AT CNMI 2 1 0 0 0 OK Mote lt mt gt 7 AT CMTI SM 1 Mote gt message received AT CNMI 2 2 0 0 0 Mote lt mt gt 2 CMT 7123456 98 10 01 12 30 00 00 129 4 2 240 915379 129 5 lt CR gt lt LF gt message received Mote message received AT CNMI 2 0 0 1 0 Mote lt ds gt T AT CMGS 33146290800 lt CR gt Message to send lt ctrl gt Mote Send a message in text mode Mote Successful transmission CDS 2 116 33146290800 145 98 10 01 12 30 07404 98 10 01 12 30 08 04 O Mote gt message was correctly delivered Dialing Attending the Incoming call Following commands selects the procedure for Dialing or initiating the call and Attending the incoming call Possible Responses ATDT Ok No carrier 1234567890 Note for dialing any fixed line mobile no No carrier is possible when signal quality is low absence of mobile signals Attending an incoming call Modem connection with network Following Commands indicates modem is entering into network Possible Responses AT CREG 0 1 OK 0 2 Resnchronizing is attempt with network Signal Quality CSQ Th
5. is command is used to ascertain the received signal strength indication with or without a SIM card inserted AT CSO CSO lt rssi gt lt ber gt OK Note lt rssi gt and lt ber gt as defined below Note All at commands are given at serial side with help of hyper terminal EANES media converters TROUBLESHOOTING Q The modem does not answer through the serial link A Is the modem correctly powered on If not the Check power Adapter rating is INPUT 230 VAC OUTPUT 9 30V DC 2AMPS B Is the serial cable suitable and adjusted in the modem and PC sockets A suitable cable must follow pin assignment described in PIN DETAILS Check in particular that Rx and Tx are properly connected for 3 wire communication C Check that your communication program is properly configured Modem factory setting for the character framing are Data Bits 8 Parity None Stop Bits 1 The factory setting for the baud rate is 9600 bps D Does any other program interfere with your communication program conflict on communication port access If yes close any application likely to interfere e g mouse or printer dri VE Q The modem always returns Error when trying to issue a communication A Issue AT CMEE 1 to have extended error code and retry Error Diagnostic Hint Code Phone Failure Call your technical support Operations not allowed re Operation not supported Cn O SIM not inserted Insert the SIM card in the SIM
6. necessary to press the SIM holder ejector button with Sharp edged object like a pen or a needle When this is done the SIM holder comes out a little then pull it out and insert or remove the SIM Card Place the SIM Card Properly as per the direction of the installation It is VEy important that the SIM is placed in the right direction for its proper working condition Connecting External Antenna Connect GSM GPRS Smart Modem to the external SMA antenna male end The Frequency of the antenna should be set to GSM850 900 1800 1900 The right Antenna should be used with the specified frequency or else the Antenna can damage the modem or it can affect the communication Power Supply Screw type connector with 9 30V DC 2A supply Connection Modem to external devices RS232 RS485 can be used to connect to the external device through the D SUB screw type connector device that is provided in the modem MANES media converters Connectors o D SUB 3 pin screw PS27232 link RS485 link Adaptor Socket Power Supply Connector SIM Card holder SIM Card LED Status Indicator Single LED to indicate Data Registration GPRS connectivity and Power ON RS232 Cable details 9 PIN D SUB Female Connector 9 PIN Serial Male to Female Cable Details a e ee 4 DSR__ Data Set Ready Output 6 DTR__ Data Terminal Ready Input 8 RTS Requesttosend Input 9 N fe e 9 Pin male side 9 Pin female side RS485 Cable details R
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