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USER’S MANUAL

 

 

 

 

 

 

SERIES 48750 RF REPEATER

 

provide the model number and serial number of the unit as well as a description of the symptoms of the 
problem. 
 
   Send components or units freight-paid with the Return Authorization Number on the outside of the 
package to: 

Radio Frequency Systems  

4100 S.W. Research Way 

Corvallis, Oregon  97333 

 
 
 

LIMITED WARRANTY

 

 
 
   The  Seller warrants that, at the time of shipment, the products manufactured by the Seller are free from 
defects in material and workmanship.  The Seller's obligation under this warranty is limited to 
replacement or repair of such products within two years from date of shipment.  No 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  workmanship at the time of manufacture.  
All shipping charges on the returned material must be prepaid by the Buyer. 

 

 

 

 

 

 

 

 The Seller is in no event liable for consequential damages, installation costs or other costs of any nature 

as a result of the use of the products manufactured by the Seller, whether used in accordance with 
instructions or not.  The Seller is not liable for replacement of any product damaged by lightning. 
 

   THIS WARRANTY IS IN LIEU OF ALL OTHERS, EITHER EXPRESSED OR IMPLIED.  

No 

representative is authorized to assume for the Seller any other liability in connection with the Seller's 
products. 
 

 

 

 

10Dwg 602300003500/Rev.1   

10

 

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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