AvaLAN AW900R2-PAIR User Manual

900 mhz outdoor wireless rs-232 bridge

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AW900R2-PAIR
USER'S MANUAL
900 MHz Outdoor Wireless RS-232 Bridge
AvaLAN
Industrial-grade, long-range wireless systems
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Summary of Contents for AvaLAN AW900R2-PAIR

  • Page 1 AW900R2-PAIR USER’S MANUAL 900 MHz Outdoor Wireless RS-232 Bridge AvaLAN Industrial-grade, long-range wireless systems...
  • Page 2: Limited Warranty

    This product is warranted to the original purchaser for normal use for a period of 360 days from the date of purchase. If a defect covered under this warranty occurs, AvaLAN will repair or replace the defective part, at its option, at no cost. This warranty does not cover defects resulting from misuse or modification of the product.
  • Page 3: Operational Summary

    AW900R2 radios may be re-configured by removing the cover and connecting a PC to a USB port on the module inside. A utility program from AvaLAN is then run on the PC that can set the configuration and check the link status. The LED display on the inside module is also a very useful indicator of the condition of the wireless connection.
  • Page 4: Electrical Connections

    AW900R2-PAIR User’s Manual Electrical Connections The AW900R2-PAIR 900 MHz Outdoor Wireless RS-232 Bridge contains two each of the following items: • Outdoor wireless RS-232 radios • AW2-900 Omnidirectional Antennas • RJ-45 to Screw Terminal 30 foot cables • DB-9 Female to Screw Terminal breakout adapters •...
  • Page 5 In fact, every time you plug and unplug the USB or restart your computer, the as- signed COM port number will probably be different. 4. Next, you will need a configuration utility and its associated dll file from AvaLAN. Go to our website, http://www.avalanwireless.com. Navigate to “Support” then “Downloads.”...
  • Page 6 AW900R2-PAIR User’s Manual 5. Run EvkUtilityLite.exe and you should see a window like this: 6. Use the dropdown menu labeled “Boot Config Serial Port” to select the virtual COM port connected to your AW900R2 radio. Note that the list is populated only when EvkUtilityLite first starts.
  • Page 7 User’s Manual AW900R2-PAIR Serial Port Settings These settings must match the RS-232 device wired to the radio. Baud Rate Drop down menu providing 6 choices from 9600 Baud to 115,200 Baud (serial data rate). Data Bits Selectable 7 or 8 data bits (8 is the most common choice) Parity Selectable among “none”, “even”, “odd”, “mark”...
  • Page 8 AW900R2-PAIR User’s Manual • Dumping a large volume of data at a fixed high Baud rate runs the risk of data corruption if anything (tuning, noise retries, channel switching, etc.) causes the 4 KB buffer in the sending radio to be overwritten.
  • Page 9 The next page shows where these LEDs are located and the meaning of each. When you are satis- fied that the AW900R2-PAIR radios are operating correctly, replace their covers. PAGE 9 Technical support (650) 384-0000 www.avalanwireless.com...
  • Page 10 AW900R2-PAIR User’s Manual Reset Switch: Press momentarily to cycle power and reboot the module. DIP Switches (only used during factory testing) LEDs Function Color SER RX Blinks when module is receiving RS-232 data Green SER TX Blinks when module is transmitting RS-232 data...
  • Page 11: Technical Specifications

    User’s Manual AW900R2-PAIR Technical specifications Characteristic Specification/Description Serial Baud Rate 9600, 19200, 38400, 57600, 76800, 115200 RS-232 Signal Character- See data sheet for Maxim 3221 chip (www.maxim-ic.com) istics RF transmission rate 1.536 Mbps RF Output Power +21 dBm (4 Watts EIRP with 15 dBi antenna)
  • Page 12: Fcc Certification

    IMPORTANT: The AW900R2 OEM RF Modules have been certified by the FCC for use with other products without any further certification (as per FCC section 2.1091). Changes or modifications not expressly approved by AvaLAN could void the user’s authority to operate the equipment.

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