FreeWave MM2 Operation & User’s Manual

LUM0014AA Rev A Version 1.6 i MM2 Spread Spectrum Wireless Data Transceiver User Manual Version 1.6 FreeWave Technologies, Inc. 1880 South Flatiron Court Boulder, CO 80301 (303) 444-3862 (303) 786-9948 Fax www.FreeWave.com MM2 USER MANUAL Copyright © 1995-2008 by FreeWave Technologies, Inc. All rights reserved. Published 2008. ...

LUM0014AA Rev A Version 1.6 ii WARRANTY FreeWave Technologies warrants the FreeWave Wireless Data Transceiver against defects in materials and manufacturing for a period of two years from the date of purchase. In the event of a Product failure due to materials or workmanship, FreeWave will, at its discretion, repair or replace the Product. In no event will FreeWave Technologies Inc., its suppliers, ...

LUM0014AA Rev A Version 1.6 iii This product is licensed by The United States. Diversion contrary to U.S. law is prohibited. Shipment or re- export of this product outside of The United States may require authorization by the U.S. Bureau of Export Administration. Please contact FreeWave Technologies for assistance and further information. UL NOTIFICATION Models MM2-T-U, MM2-HS-T-U are suitable for u ...

LUM0014AA Rev A Version 1.6 iv Table of Contents ABOUT FREEWAVE TRANSCEIVERS.................................................................................................................6 ABOUT FREEWAVE TRANSCEIVERS.................................................................................................................6 OEM / ENGINEERING NOTIFICATION....................................... ...

LUM0014AA Rev A Version 1.6 v TRANSMIT CURRENT (MA).......................................................................................................................................36 AVERAGE NOISE LEVEL ...........................................................................................................................................37 AVERAGE SIGNAL LEVEL............................... ...

LUM0014AA Rev A Version 1.6 6 About FreeWave Transceivers FreeWave transceivers operate in virtually any environment where data communications occur. OEM / Engineering Notification Programming the MM2 is accomplished through a text menu system that can be used with Windows HyperTerminal or similar terminal emulator. FreeWave Technologies, Inc also offers FreeWave Tool Suite which is a graphical sof ...

LUM0014AA Rev A Version 1.6 7 Choosing Point-to-Point or Point-to-MultiPoint Operation A Point-to-Point network is limited to one Master and one Slave transceiver. Up to 4 Repeaters may be added to extend the reach of the network, but no other Master or Slave may be added. In a Point-to-MultiPoint network (also referred to as MultiPoint network) the transceiver, designated as a Master, is able to s ...

LUM0014AA Rev A Version 1.6 8 Quick Start on a Point-to-MultiPoint Network The following is a quick start guide for setting up two transceivers in Point-to-MultiPoint mode. This mode allows for a Master to communicate with several Repeaters and Slaves simultaneously. 1. For board level configuration, connect the transceiver to a TTL to RS232 converter then connect to the serial port of a computer e ...

LUM0014AA Rev A Version 1.6 9 * Clear to Send LED will be solid red with a solid link, as the link weakens the Clear to Send LED on the Repeater or Slave will begin to flash. Quick Start on a Point-to-Point Network When purchased as a pair, the FreeWave® Wireless Data Transceivers are shipped from the factory pre-configured with most of the settings to operate in Point-to-Point applications. ...

LUM0014AA Rev A Version 1.6 10 Choosing a Location for the Transceivers Placement of the FreeWave transceiver is likely to have a significant impact on its performance. The key to the overall robustness of the radio link is the height of the antenna. In general, FreeWave units with a higher antenna placement will have a better communication link. In practice, the transceiver should be placed away fr ...

LUM0014AA Rev A Version 1.6 11 Setting up the Transceiver using HyperTerminal Note: The terms Modem and Transceiver are used interchangeably in this manual and in the text of the Setup menu. While the words have different meanings, the two terms should be treated as one and the same when referring to FreeWave products. Once the transceiver is powered and connected with the programming cable to the ...

LUM0014AA Rev A Version 1.6 12 3. In the Name text box, type in a descriptive name. Select an icon from the Icon selection box. 4. Click on the OK button. The following “Connect To” dialog box appears: 5. Select the connection type to be used from the Connect using drop-down menu. In most cases the connection type will be either Direct to Com1 or Direct to Com2. 6. Click on the OK button. The Pr ...

LUM0014AA Rev A Version 1.6 13 The following are the port settings which must be set for a proper connection: Port Setting Menu Option to Select Bits per second 19200 Data bits 8 Parity None Stop bits 1 Flow control None 7. After selecting the appropriate menu items for each setting, click on the OK button. The following HyperTerminal dialog box appears: ...

LUM0014AA Rev A Version 1.6 14 8. To put the radio into setup mode, short pin 2 to ground. If connected to the diagnostics port, type U (Capital ‘U’) to invoke the Setup menu. When Setup is invoked, the FreeWave Setup Main Menu will display in the HyperTerminal dialog box. All three LED’s on the transceiver will turn green    and stay green as long as the transceiver is in the Setup ...

LUM0014AA Rev A Version 1.6 15 Troubleshooting HyperTerminal The following are some common issues encountered while using HyperTerminal. 1. Nothing appears on the screen after pressing the Setup button on the transceiver. This usually indicates one of two things; either the wrong Com port is selected or a null modem cable is being used. Follow the steps below to change the Com ports. 1. Click on the ...

LUM0014AA Rev A Version 1.6 16 Setting up a Transceiver Note: Once Setup mode has been invoked in HyperTerminal, the process of exiting Setup mode involves pressing the Escape (Esc) key several times, allowing the transceiver to connect to the network. Otherwise, cycling the power is the alternative way to exit Setup mode. The following section describes in detail how to use all of the Setup menu op ...

LUM0014AA Rev A Version 1.6 17 Operation Mode The Operation Mode option designates the method FreeWave transceivers use to communicate with each other. FreeWave transceivers operate in a Master to Slave configuration. Before the transceivers can operate together, they must be set up to properly communicate. In a Point-to-Point configuration, Master or Slave Mode may be used on either end of the comm ...

LUM0014AA Rev A Version 1.6 18 Point-to- MultiPoint Repeater (7) This option allows the transceiver to operate as a Repeater in a MultiPoint network. See the MultiPoint parameters section for details on enabling MultiPoint Slave/Repeater mode. Mirrorbit Master(A) See FreeWave Application note LAN5424xx for information on Mirrored Bit Communication Mirrorbit Slave (B) See FreeWave Application note L ...

LUM0014AA Rev A Version 1.6 19 Set Operation Mode 1. Selecting 0 Set Operation Mode from the Main Menu displays the following window: 2. Select the appropriate operation mode by typing the associated number or letter after Enter Choice. 3. When the selection is accepted, the Set Modem Mode menu will refresh and display the updated mode. 4. Press the Esc key once to return to the Main Menu. ...

LUM0014AA Rev A Version 1.6 20 Baud Rate This setting is the communication rate between the transceiver and the instrument to which it is connected. It is important to note that this is independent of the baud rate for the other transceiver(s) in the network. For example, a pair of transceivers may be used in an application to send data from remote process instrumentation to an engineer's computer. ...