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MDR29x Wireless 900 MHz Modem

User’s Manual

Version 1.5

1000 Park Drive - Lawrence, PA 15055-1018

Website: www.blackbox.com Email: [email protected]

Order Toll Free in the US: Call 877-877-BBOX (Outside the US call 724-746-5500)

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Summary of Contents for MDR29x

Page 1: ...eless 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 72...

Page 2: ...environmental requirements such as military medical life support or life sustaining equipment are specifically not recommended without additional testing for such application Limited Warranty Disclai...

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 tran...

Page 4: ...on specifications interface definition configuration information and mechanical drawings The OEM is responsible for ensuring the final product meets all appropriate regulatory agency requirements list...

Page 5: ...quency Band 902 928 MHz USA 915 928 MHz Australia RF Data Rate 76 8 kbps fixed RF Technology Frequency Hopping Spread Spectrum Output Power Conducted no antenna EIRP 3dBi gain antenna MDR292 4A 743mW...

Page 6: ...en On indicates that the unit is powered up Link Red On indicates that the Client unit s and Server unit are in range of each other Client units activate the Link LED when in Range of the Server unit...

Page 7: ...T H E R R S 2 3 2 E Q U I P M E N T The MDR292A is a DCE Data Communications Equipement device Typically devices like PC s are considered DTE Data Terminal Equipment devices while periphial devices a...

Page 8: ...C E t o D C E I n te r fa c e J1 J 2 SIG NAL F i g u r e 7 D B 9F t o D B 9F S t r ai gh t T hr o u g h C a bl e 1 1 DCD 2 2 RXD 3 3 TXD 4 4 DTR 5 5 GND 6 6 DSR 7 7 RTS 8 8 CTS 9 9 RI Shell Shell GND...

Page 9: ...e m al e N u l l Mo d em C a b l e 1 N C DCD 2 3 RXD 3 2 TXD 4 6 DTR 5 5 GND 6 4 DSR 7 8 RTS 8 7 CTS 9 N C RI Shell Shell GND J1 6 1 9 5 1 70 72 00 1 1 70 5 9 6 J2 If you previously used a straight th...

Page 10: ...RS 485 traffic over the RF Conversely as soon as a MDR294A receives a packet over the RF it will transmit the packet over the RS 485 bus Note When using RS485 2 wire Half Duplex a RS485 to RS232 conv...

Page 11: ...USB Slave device peripheral and cannot be connected to another USB Slave device U S B D R I V E R The MDR291A is a stand alone RF module that interfaces to a USB port on the Host device It uses a Vir...

Page 12: ...nd to its host it checks the state of Ready To Send and if it is logic low will send data to its host If RTS is logic high it will not send data to its host These signals are sent apart from the data...

Page 13: ...can be enabled A D D R E S S E D P A C K E T S When sending an addressed packet the RF packet is sent only to the receiver specified in destination address To increase the odds of successful delivery...

Page 14: ...mmands F I G U R E 1 0 P E N D I N G R F A N D D A T A I N B U F F E R F L O W Receive Mode Broadcast Packet Receive full packet and check CRC Addressed Packet Matching Destination MAC Validate CRC Du...

Page 15: ...and Client pair Sometimes referred to as a wireless bridge a point to point link replaces a single communications cable P O I N T T O M U L T I P O I N T Point to Multipoint systems have one base sta...

Page 16: ...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 in...

Page 17: ...ation Utility 4 Select the COM Port that is connected to the MDR29x unit on the PC Settings page 5 Select the Interface Baud Rate of the MDR29x unit All MDR29x units are shipped with a default rate of...

Page 18: ...PC to complete the installation Click OK to complete the installation By default the software is stored in the following location on the Start Menu Start All Programs Black Box Network Services Black...

Page 19: ...will attempt to open the port and list its status as Unavailable Open or Closed Although menus are shown for Data Bits Parity and Stop Bits only the Parity menu selection can be changed F I N D P O R...

Page 20: ...required the software will prompt the user to type a description of the changes made Auto Archive can be used to restore the radio to a previously known working configuration The first time that a rad...

Page 21: ...on the Product Mode The Info Center provides a quick description of each setting mode For detailed decriptions of the individual settings please refer to the OEM Module user s manual R E A D R A D I...

Page 22: ...utton is pressed the GUI view will be updated with the default settings for the selected product This feature is only available on the GUI Page and will not work when using the EEPROM Editor View P A...

Page 23: ...mation will be filled in and the Update button will be enabled An example is shown below Clicking the Save button will cause the baud rate shown in the Actual Baud Rate window to be displayed in the B...

Page 24: ...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 H E X A D E C I M A L A S C I I D I S P...

Page 25: ...hardware setups 1 One radio is plugged into a serial or USB port on a PC The second radio is plugged into a separate power supply with a loopback adapter connected 2 One radio is plugged into a serial...

Page 26: ...ceived packets can either be displayed in ASCII or Hexadecimal format marked with a time stamp and show only when an error has occurred 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 TE S T S E...

Page 27: ...7 F i g u re 1 1 M D R 29 x M ec h an i c a l 0 000 0 250 Ante SMA 0 000 0 375 0 000 0 536 0 060 D Connector 0 dia pin and g pin is PWR J3 J4 2 375 2 750 4 500 4 750 2 0 0 15 4 p 1 170 0 565 4 185 Sta...

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