Maestro Heritage GSM GPRS Modem 850 / 900 / 1800 / 1900 USER MANUAL Rev. 03 www.maestro-wireless.com Email: contact@maestro-wireless.
REVISION HISTORY Rev. 00 01 02 03 Date 11 Sept 2007 04 Oct 2007 04 Jan 2008 28 Jan 2008 Details First release Second release Third release Fourth release Originated by K.K Chan K.K Chan K.K Chan Cecile Lin This manual is written without any warranty. Maestro Wireless Solution Ltd. reserves the right to modify or improve the product and its accessories which can also be withdrawn without prior notice.
TABLE OF CONTENTS REVISION HISTORY................................................................. 1 TABLE OF CONTENTS............................................................... 2 SAFETY PRECAUTIONS............................................................. 3 Using the modem in vehicle ................................................... 3 Protecting your modem ......................................................... 3 CHAPTER 1: Introduction .........................................................
SAFETY PRECAUTIONS • The modem generates radio frequency (RF) power. When using the modem care must be taken on safety issues related to RF interference as well as regulations of RF equipment. • Do not use your phone in aircraft, hospitals, petrol stations or in places where using GSM products is prohibited. • Be sure that the modem will not be interfering with nearby equipment. For example: pacemakers or medical equipment.
CHAPTER 1: Introduction Maestro Heritage is a ready-to-use GSM modem for data, fax and SMS services. It also supports GPRS (Class 10) and EDGE for hi-speed data transfer. Maestro Heritage can be easily controlled by using AT command for all kinds of operations. With standard 9 - pin RS232 port, the Maestro Heritage can be set up with minimal effort. Maestro Heritage also having an Expansion Slot to make the modem becomes even more powerful. Add-on unit such as Input/Output, Ethernet Router and GPS etc… 1.
Name Descriptions Signal Strength Strong (CSQ 27 or higher) Signal Strength Medium (CSQ 23 – 26) Signal Strength Low (CSQ 14 – 22) Signal Strength Weak (CSQ 1 – 13) Rx Data receive over TCP/UDP Tx Data transmit over TCP/UDP EDGE Availability of EDGE GSM Status OFF – Modem is off On – Modem is not registered to GSM network Slow blinking – Modem is registered to GSM network Fat blinking – Modem is in GSM communication b.
d. 4-Pin connector (Power input) A cable, included in the package shall be used for power supply connection: 5-32V DC Supply Connector Micro-Fit 3.0 (to Fargo Maestro) Fuse Stripped wire Pin assignment of 4-Pin connector Pin number 1 2 3 4 Name Not used Not used POWER POWER + Functions None None DC power negative input DC power positive input 3.
CHAPTER 2: INSTALLATION 1. Install the SIM card Use a ball pen or paper clip to press the SIM holder eject button. The SIM holder will come out a little. Then take out the SIM holder. Note: DO NOT pull out the SIM holder without pushing the ejector. Put the SIM card to the tray; make sure it has completely sat on the tray. Put the tray back into the slot. 2. Connect the external antenna (SMA type) Connect this to an external antenna with SMA male connector.
3. Connect the modem to external device You can use the RS232 cable to connect the modem's Sub-D connector to external controller/computer. Connection example using RS232 cable: Heritage Sub-D 9 pin DB-9 RS-232 Port of PC 4. Connect the DC power supply Connect the open ending of the inducted power cord to a DC supply. Refer to the following for power supply requirement. Input voltage range Rated current 5V – 32V 500 mA AC-DC Adaptor or battery Solder wire Connect the connector to the modem.
CHAPTER 3: WORKING WITH MAESTRO HERITAGE 1. Checking the modem (using Microsoft Windows XP HyperTerminal as example) a. On the first time power-up you can use terminal software to communicate with the modem through an RS232 serial port. Following example is using the HyperTerminal in Windows XP. b. On Windows XP, start the HyperTerminal program. Assign a name for a new session. Confidential, the whole present document is the sole property of Maestro Wireless Solution Limited.
c. Choose the correct Com port and baud rate settings (9600bps for Eco; 115200bps for others, 8bits, no parity bit, 1 stop bit) d. On the terminal screen, type "AT" to check the "OK" response from the modem Confidential, the whole present document is the sole property of Maestro Wireless Solution Limited.
2. Basic operation Followings are examples of some AT commands. Please refer to the AT command document for a full description.
CHAPTER 4: SPECIFICATIONS • Quad-Band GSM 850 / 900 / 1800 /1900 MHz • Support Data, Voice and Fax • ETSI GSM Phase 2 + compliant • LED Bar indication of RSSI, Network Registration, Up/Down data Traffic and EDGE availability • Group 3 FAX support (Class 1 and 2) • GPRS Class 10 / EDGE Class 10 • Real time clock backup by Super-Capacitor • Built-in watchdog chip to prevent modem lock-up • Control via AT command (GSM 07.05, GSM 07.
CHAPTER 5: APPENDIX Factory settings The modem has the following factory settings. Please refer to the AT command document for the meaning of each setting.
CHAPTER 6: TROUBLESHOOTING 1. The modem’s LED does not light Check if the modem has been properly connected to a 5 - 32V power supply Check if the power connector is properly inserted Check the fuse on the power cord 2.
