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USER’S MANUAL

 

 

 

 

 

 

SERIES 48750 RF REPEATER

 

1

1

.

.

0

0

5

5

 

 

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)

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3

3

 

 

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.

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(

(

9

9

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1

.

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4

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4

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.

.

 

 

 

 

 

 

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5

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f

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;

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2

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FIELD TUNE-UP, ALIGNMENT OR CALIBRATION 

 

 

The 48710 series repeaters are aligned and calibrated at the time of manufacture.  These units are 

designed to retain this calibration for the useful life of the product.  There is no field tune-up or alignment 
necessary. 
 

 

FCC ID AND CANADA CERTIFICATION NUMBERS 

 

   

The listed models have been tested and granted Certification by the FCC in accordance with Title 47, 

Part 90, and have been granted Certification by the DOC in accordance with RS 131, Issue 131. 
    
   The FCC identification number for each particular model appears on a label on the face plate of the 
units.  Applicable FCC Identification and Canadian ISC Numbers are shown. 
 
 

 
 

 

FCC ID Number

 

 

 

 

CANADA

 

  IWD48710 

    XXXXXXX 

   

 

 

PRODUCT OVERVIEW  

 

2Dwg 602300003500/Rev.1   

2

 

Summary of Contents for 48710

Page 1: ...fiers 200 Pondview Drive Meriden CT 06450 877 737 9675 Fax 203 821 3852 www rfsamericas com C Co op py yr ri ig gh ht t 1 19 99 93 3 R Ra ad di io o F Fr re eq qu ue en nc cy y S Sy ys st te em ms s A...

Page 2: ...of any proprietary rights of any persons Use or application of such information or statements is at the user s sole risk without any liability on the part of Radio Frequency Systems Nothing herein sha...

Page 3: ...FC CC C a an nd d D DO OC C C Ce er rt ti if fi ic ca at ti io on n 2 2 Product Overview 3 Theory of Operation 3 Block Diagram 3 Electrical and Mechanical Specifications 4 Outline of Face Plate 4 Int...

Page 4: ...a a p po or rt ts s E Ei it th he er r a a a an nt te en nn na a o or r a a 5 50 0 O Oh hm m l lo oa ad d r ra at te ed d f fo or r a at t l le ea as st t 1 1 w wa at tt t m mu us st t b be e c co on...

Page 5: ...o on ns s a an nd d t tr ra an ns sm mi it tt te er rs s t th ha at t a ac cc co or rd di in ng g t to o t ta ab bl le e 1 1 C Ce el ll lu ul la ar r R Ra ad di io ot te el le ep ph ho on ne e S Se er...

Page 6: ...n ni im mu um m s se ep pe er ra at ti io on n o of f 2 25 5 c cm m 1 10 0 i in nc ch he es s i is s r re eq qu ui ir re ed d t to o s st ta ay y w wi it th hi in n t th he e M MP PE E 1 1 0 05 5 x x...

Page 7: ...ervice area connectors that determine the basic pass band and direct the RF signals to the proper gain path uplink and downlink respectively Both links have automatic gain control AGC in the power amp...

Page 8: ...ov ve er rd dr ri iv ve e o or r o os sc ci il ll la at ti io on n N No o a at tt te en nu ua at ti io on n a an nd d r ro oo om m t te em mp pe er ra at tu ur re e M ME EC CH HA AN NI IC CA AL L E EN...

Page 9: ...r of the signals is reduced the DC offset voltage will reduce level of attenuation In typical operation the AGC is only active when needed to prevent overdrive If the AGC is constantly activating it i...

Page 10: ...wn will only occur if the AGC control limit is exceeeded for about a half second Power is then cut for 2 seconds After this time out power is brought back on line If the overload condition is still pr...

Page 11: ...tem design Generally it is desired to minimize the amount of coax that has to be installed However in buildings with extensive obstructions it may be neccesary to install several service area antennas...

Page 12: ...be working the mostly likely senario is a break in the donor or distribution networks First check both RF paths output via the DC voltages on Pins 12 and 13 or the RX DET V and Tx DET V from the PM70...

Page 13: ...ld d b be e a av vo oi id de ed d C Ch he ec ck k d dr ri iv ve e l le ev ve el ls s a an nd d a an nt te en nn na a i is so ol la at ti io on n R Re ed du uc ce e m ma an nu ua al l g ga ai in n t t...

Page 14: ...material is accepted for replacement or repair without written authority of the Seller Replacement or repair is made only after an examination at the Seller s plant shows defective material or workman...

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