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MHX 910A Operating Manual

 

Warranty 

Microhard Systems Inc. warrants that each product will be free of defects in material and workmanship for a period of one (1) 
year for its products. The warranty commences on the date the product is shipped by Microhard Systems Inc. Microhard Systems 
Inc.’s sole liability and responsibility under this warranty is to repair or replace any product which is returned to it by the Buyer 
and which Microhard Systems Inc. determines does not conform to the warranty. Product returned to Microhard Systems Inc. for 
warranty service will be shipped to Microhard Systems Inc. at Buyer’s expense and will be returned to Buyer at Microhard 
Systems Inc.’s expense. In no event shall Microhard Systems Inc. be responsible under this warranty for any defect which is 
caused by negligence, misuse or mistreatment of a product or for any unit which has been altered or modified in any way. The 
warranty of replacement shall terminate with the warranty of the product. 

Warranty Disclaims 

Microhard Systems Inc. makes no warranties of any nature of kind, expressed or implied, with respect to the hardware, software, 
and/or products and hereby disclaims any and all such warranties, including but not limited to warranty of non-infringement, 
implied warranties of merchantability for a particular purpose, any interruption or loss of the hardware, software, and/or product, 
any delay in providing the hardware, software, and/or product or correcting any defect in the hardware, software, and/or product, 
or any other warranty. The Purchaser represents and warrants that Microhard Systems Inc. has not made any such warranties to 
the Purchaser or its agents MICROHARD SYSTEMS INC. EXPRESS WARRANTY TO BUYER CONSTITUTES 
MICROHARD SYSTEMS INC. SOLE LIABILITY AND THE BUYER’S SOLE REMEDIES. EXCEPT AS THUS 
PROVIDED, MICROHARD SYSTEMS INC. DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING 
ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PROMISE. 

 

MICROHARD SYSTEMS INC. PRODUCTS ARE NOT DESIGNED OR INTENDED TO BE USED IN 
ANY LIFE SUPPORT RELATED DEVICE OR SYSTEM RELATED FUNCTIONS NOR AS PART OF 
ANY OTHER CRITICAL SYSTEM AND ARE GRANTED NO FUNCTIONAL WARRANTY. 

 

Indemnification 

The Purchaser shall indemnify Microhard Systems Inc. and its respective directors, officers, employees, successors 
and assigns including any subsidiaries, related corporations, or affiliates, shall be released and discharged from any 
and all manner of action, causes of action, liability, losses, damages, suits, dues, sums of money, expenses 
(including legal fees), general damages, special damages, including without limitation, claims for personal injuries, 
death or property damage related to the products sold hereunder, costs and demands of every and any kind and 
nature whatsoever at law.  

 

IN NO EVENT WILL MICROHARD SYSTEMS INC. BE LIABLE FOR ANY INDIRECT, SPECIAL, 
CONSEQUENTIAL, INCIDENTAL, BUSINESS INTERRUPTION, CATASTROPHIC, PUNITIVE OR OTHER 
DAMAGES WHICH MAY BE CLAIMED TO ARISE IN CONNECTION WITH THE HARDWARE, 
REGARDLESS OF THE LEGAL THEORY BEHIND SUCH CLAIMS, WHETHER IN TORT, CONTRACT OR 
UNDER ANY APPLICABLE STATUTORY OR REGULATORY LAWS, RULES, REGULATIONS, 
EXECUTIVE OR ADMINISTRATIVE ORDERS OR DECLARATIONS OR OTHERWISE, EVEN IF 
MICROHARD SYSTEMS INC. HAS BEEN ADVISED OR OTHERWISE HAS KNOWLEDGE OF THE 
POSSIBILITY OF SUCH DAMAGES AND TAKES NO ACTION TO PREVENT OR MINIMIZE SUCH 
DAMAGES. IN THE EVENT THAT REGARDLESS OF THE WARRANTY DISCLAIMERS AND HOLD 
HARMLESS PROVISIONS INCLUDED ABOVE MICROHARD SYSTEMS INC. IS SOMEHOW HELD 
LIABLE OR RESPONSIBLE FOR ANY DAMAGE OR INJURY, MICROHARD SYSTEMS INC.'S LIABILITY 
FOR ANYDAMAGES SHALL NOT EXCEED THE PROFIT REALIZED BY MICROHARD SYSTEMS INC. 
ON THE SALE OR PROVISION OF THE HARDWARE TO THE CUSTOMER.

 

Proprietary Rights 

The Buyer hereby acknowledges that Microhard Systems Inc. has a proprietary interest and intellectual property rights in the 
Hardware, Software and/or Products. The Purchaser shall not (i) remove any copyright, trade secret, trademark or other evidence 
of Microhard Systems Inc.’s ownership or proprietary interest or confidentiality other proprietary notices contained on, or in, the 
Hardware, Software or Products, (ii) reproduce or modify any Hardware, Software or Products or make any copies thereof, (iii) 
reverse assemble, reverse engineer or decompile any Software or copy thereof in whole or in part, (iv) sell, transfer or otherwise 
make available to others the Hardware, Software, or Products or documentation thereof or any copy thereof, except in accordance 
with this Agreement. 

 

Summary of Contents for MHX-910A

Page 1: ...ual i Operating Manual MHX 910A 900 MHz Spread Spectrum OEM Module Revision 0 10 November 1 2004 17 2135 32nd Ave N E Calgary Alberta T2E 6Z3 Phone 403 248 0028 Fax 403 248 2762 www microhardcorp com...

Page 2: ...TIONAL WARRANTY Indemnification The Purchaser shall indemnify Microhard Systems Inc and its respective directors officers employees successors and assigns including any subsidiaries related corporatio...

Page 3: ...more information or would like to order an antenna WARNING MAXIMUM ERP FCC Regulations allow up to 36 dBm effective radiated power ERP Therefore the sum of the transmitted power in dBm the cabling lo...

Page 4: ......

Page 5: ...FIGURES VII 1 INTRODUCTION 1 1 0 PRODUCT OVERVIEW 1 1 1 FEATURES 2 2 CONFIGURATION 4 2 0 OVERVIEW 4 2 1 OUTPUT POWER LEVEL 4 3 INSTALLATION 7 3 0 OVERVIEW 7 3 1 ESTIMATING THE GAIN MARGIN 7 3 2 INTER...

Page 6: ......

Page 7: ...MHX 910A Operating Manual History v History Revision Date Action FW Rev Note 0 10 2004 11 01 Created For FCC Approval...

Page 8: ......

Page 9: ...Operating Manual Tables and Figures vii Tables and Figures Tables Table 1 Path Loss 8 Table 2 Cable Loss 10 Figures Figure 1 Gain Calculation 7 Figure 2 System Deploying 8 Figure 3 Suggested Internal...

Page 10: ......

Page 11: ...rformance of this product makes it ideal for many applications Typical uses for this module include SCADA Remote Telemetry Surveillance Traffic Control Industrial Controls Remote Monitoring Fleet Mana...

Page 12: ...aximum allowable transmit power 1W Low power consumption in Sleep Mode Real Time Clock wakeup 32 bit CRC selectable forward error correction with retransmission Separate diagnostics port transparent r...

Page 13: ...MHX 910A Operating Manual Chapter 1 Introduction 3...

Page 14: ...ecessary RF pollution The allowable settings are 0 1 mW 1 10 mW 2 100 mW 3 1000 mW Ideally you should test the communications performance between units starting from a low power level and working upwa...

Page 15: ...any user or member of the public IMPORTANT FCC Regulations allow up to 36 dBi effective radiated power ERP Therefore the sum of the transmitted power in dBm the cabling loss and the antenna gain cann...

Page 16: ......

Page 17: ...ter receiver pair The number can be calculated based on knowledge of the equipment being deployed The following four factors make up a system gain calculation 1 Transmitter power user selectable 0 20...

Page 18: ...equate for reliable communication Path loss is a very complicated calculation which mainly depends on the terrain profile and the height of the antennas off the ground The following table provides pat...

Page 19: ...s MCX connector to a reverse TNC bulkhead connector on the chassis of the equipment as shown in Figure 3 This cable can be purchased from Microhard Systems Figure 3 Suggested Internal Cabling Cable lo...

Page 20: ...MHX 910A equipment is powered down during installation At all time a distance of 23 cm must be maintained between the antenna and any person when the device is in operation Surge Arrestors The most ef...

Page 21: ...the antenna connector surge arrestor The cable must be supported at the top with a hose clamp or wrap lock and at 5 ft intervals down the length of the tower Over tightening the fasteners will dent th...

Page 22: ...ground for vertical polarization In applications where there are multiple units that you must communicate with or units which are in motion you may select an Omni directional antenna with appropriate...

Page 23: ...to the maximum power setting of 30dBm Example 2 What is the maximum power the MHX 910A can be set to comply with FCC and IC given the following equipment given a Yagi Antenna Gain 12dBd and cable and...

Page 24: ...14 MHX 920 Operating Manual Chapter 3 Installation...

Page 25: ...00MHz Yagi Directional Antenna Bluewave RPTNC Pigtail MHS031501 9dBd 900MHz Yagi Directional Antenna Antenex RPTNC Pigtail MHS031441 10dBd 900 MHz Yagi Directional Antenna Bluewave RPTNC Pigtail MHS03...

Page 26: ...16 MHX 910A Operating Manual Appendix A Approved Antennas...

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