Download
Share
Print this page
Black Box MDR29x User Manual
  1. Manuals
  2. Brands
  3. Black Box Manuals
  4. Modem
  5. MDR29x
  6. User manual

Black Box MDR29x User Manual

Wireless 900 mhz modem
Hide thumbs

Advertisement

Quick Links

Download this manual
MDR29x Wireless 900 MHz Modem
User's Manual
Version 1.5
1000 Park Drive - Lawrence, PA 15055-1018
Website: www.blackbox.com
Email: info@blackbox.com
Order Toll Free in the US: Call 877-877-BBOX (Outside the US call 724-746-5500)

Advertisement

loading
Need help?

Need help?

Do you have a question about the MDR29x and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Black Box MDR29x

Summary of Contents for Black Box MDR29x

  • Page 1 MDR29x Wireless 900 MHz Modem User’s Manual Version 1.5 1000 Park Drive - Lawrence, PA 15055-1018 Website: www.blackbox.com Email: info@blackbox.com Order Toll Free in the US: Call 877-877-BBOX (Outside the US call 724-746-5500)
  • Page 2 Limited Warranty, Disclaimer, Limitation of Liability For a period of one (1) year from the date of purchase by the OEM customer, Black Box warrants the OEM transceiver against defects in materials and workmanship. Black Box will not honor this warranty (and this warranty will be automatically void) if there has been any (1) tampering, signs of tampering;...
  • Page 3 O V E R V I E W The MDR29x uses Frequency Hopping Spread Spectrum modulation, where the units "hop" from frequency to frequency many times per second using a specific hop pattern applied to all the transceivers in the same network.
  • Page 4 Note: MDR29x modules will be referred to as the “radio” or “transceiver”. Individual naming is used to differentiate product specific features. The host (PC, Microcontroller, or any device to which the MDR29x is connected) will be referred to as “OEM Host”.

  • Page 5: Specifications

    S P E C I F I C A T I O N S T A B L E 1 : M D R 2 9 X S P E C I F I C A T I O N S I N T E R F A C E Serial Interface Connector DB-9 Male (RS-232), Terminal Block (RS-485), Type B USB (USB)

  • Page 6: Serial Interface

    S E R I A L I N T E R F A C E The MDR29x supports RS232, RS485, and USB protocols (seperate products). Black Box wireless solutions are not subject to the cabling restrictions for distance, and either interface is available when ordering.
  • Page 7 C H A P T E R 3 - S E R I A L I N T E R F A C E R S 2 3 2 - M D R 2 9 2 A RS232 is a single-ended data transmission protocol. The RS232 signals are represented by voltage levels with respect to a system common (power/logic ground).
  • Page 8 C H A P T E R 3 - S E R I A L I N T E R F A C E two DTE devices together, a null modem cable is required to swap the pins and convert the signals accordingly.
  • Page 9 C H A P T E R 3 - S E R I A L I N T E R F A C E F i g u r e 8 : D B 9 M t o D B 9 F e m a l e N u l l M o d e m C a b l e S I G N A L 1.70 72.00...
  • Page 10 DESIGN TIP Many simple 2 or 4-wire converters do not provide hardware flow control capabilities and therefore require Handshaking to be disabled in the Black Box Configuration Utility to configure the radio. Check with your converter Manufacturer for any specific requirements.
  • Page 11 Once detected, the PC starts the Add New Hardware wizard and installs the USB driver. DESIGN TIP The Black Box USB Driver is installed automatically with the OEM Configuration Utility. It can also be installed manually using the procedure below: Connect the MDR291A device to the PC using a USB cable Insert the Black Box Tools &...
  • Page 12 H A R D W A R E F L O W C O N T R O L Flow control refers to the control of data flow between the host and the MDR29x. It is the method used to handle data in the transmit/receive buffer of the MDR29x interface, and determines how data flow between the host and the MDR29x is throttled.

  • Page 13: Theory Of Operation

    R F A R C H I T E C T U R E The MDR29x utilizes a Server-Client network where all Clients synchronize their hopping to the Server. The Server transmits a beacon during the first 1 ms of every hop (20 ms). The Client transceivers listen for this beacon and upon hearing it assert their In_Range Low and synchronize their hopping with the Server.
  • Page 14 C H A P T E R 4 - T H E O R Y O F O P E R A T I O N C O M M A N D M O D E A radio will enter Command Mode when data is received over the serial interface from the OEM Hostand contains the “AT+++”...
  • Page 15 Point-to-Multipoint systems have one base station, or access point, that controls communications with all of the other wireless nodes in the network. This allows for the creation of a wireless network consisting of multiple nodes. By programming each MDR29x with a network specific Channel Number and System ID multiple networks can be created.
  • Page 16 5) Broadcast Attempts (For Servers in Point-to-Multipoint networks only): This value represents the number of times a data packet will be transmitted by the Server MDR29x. The default value is 4 attempts. If communication is lost and the Clients' Link LED is on, try increasing this value in small increments until communication is reestablished.
  • Page 17 57600 (unless units have been pre-configured to match specific serial settings). If the Interface Baud Rate of the MDR29x unit is changed, the PC Setting Baud Rate must be set to the same Baud Rate to allow proper programming of the units.

  • Page 18: Configuration Utility

    Black Box provides an easy to use Configuration utility to program and test the MDR29x. The GUI based software is compatible with Microsoft® Windows 95, 98, 2000, ME, NT, & XP. The MDR29x is a plug and play device which requires minimal or no configuration.
  • Page 19 C H A P T E R 6 - C O N F I G U R A T I O N U T I L I T Y P O R T 1 / P O R T 2 O P T I O N S The software can control up to (2) COM ports including virtual COM ports, which physically map to USB or Ethernet ports.
  • Page 20 A B O U T B U T T O N The About button can be pressed to determine the revision number of the software and the contact information for Black Box. Please include the software revision number in any correspondence with Technical Support.
  • Page 21 C H A P T E R 6 - C O N F I G U R A T I O N U T I L I T Y There are five sections on the Configure page; Radio Interface, Radio RF, Radio Features, Radio Other, and Info Center.
  • Page 22 C H A P T E R 6 - C O N F I G U R A T I O N U T I L I T Y W R I T E R A D I O B U T T O N After making changes to the controls on the Configure page, the Write Radio button can be pressed to save those changes to the radio EEPROM.
  • Page 23 C H A P T E R 6 - C O N F I G U R A T I O N U T I L I T Y An EEPROM can be saved to a file using the Save to File button. This allows for the current state of the EEPROM to be restored at a later time.
  • Page 24 C H A P T E R 6 - C O N F I G U R A T I O N U T I L I T Y S E N D B U T T O N This button sends the data in the textbox out the selected port(s). The current user’s Windows username is also sent over the RF with the data.
  • Page 25 C H A P T E R 6 - C O N F I G U R A T I O N U T I L I T Y R A N G E T E S T P A G E The Range Test page allows packets of data to be sent between two radios and reports the numbers of successes and errors.
  • Page 26 C H A P T E R 6 - C O N F I G U R A T I O N U T I L I T Y T A B L E 6 : T E S T S E L E C T I O N S E T T I N G S T E S T S E L E C T I O N P O R T 1 A C T I O N P O R T 2 A C T I O N...
  • Page 27 M E C H A N I C A L F i g u r e 1 1 : M D R 2 9 x M e c h a n i c a l 1.170 Ante 0.536 0.060 0.000 Side View Label Recess, 3.5w x 2.0h 0.15...