RFS 48810A User Manual Download | Manualshive

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48810A & 48810B

User's Manual

200 Pondview Drive, Meriden, CT 06450

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(877) 737-9675

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Fax (203) 821-3852

www.rfsworld.com

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Summary of Contents for 48810A

Page 1: ...48810A 48810B User sManual 200 Pondview Drive Meriden CT 06450 877 737 9675 Fax 203 821 3852 www rfsworld com ...

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 shall be construed as license of or recommendation for use which infringes upon any proprietary rights of any person Product material and specifications are subject to change without notice All sales of...

Page 3: ...rical Specifications 4 Mechanical Specifications 4 Environmental Specifications 4 Intermodulation Power and AGC 4 AGC Automatic Shutdown 5 Manual Gain Adjustment 5 AC DC Power 6 Grounding and Surge Protection 6 Antenna Isolation 6 Installation 7 Diagnostics Troubleshooting 8 Test Points 9 Component Location 11 Maintenance Repair and Warranty 12 Periodic Maintenance 12 Ordering and Returning Compon...

Page 4: ...d without the expressed permission of the licensee The 48810 PCS Band Repeater can be used to cover indoor or outdoor areas It is designed and optimized for low cost high reliability and ease of use This manual provides information on the proper operation and care of the repeater however Radio Frequency Systems can provide the total package of components and hardware for any type of repeater insta...

Page 5: ... less than 1000W ERP for building mounted antennas and less than 1000W and greater than 10 meters above ground for non building mounted antennas As such with maximum power from the uplink path 15 dBm 32 mW and a maximum antenna gain of 28 dB the donor antenna installation will not exceed 20 Watts 43 dBm and is categorically excluded However according to Section 1 1307 b 1 the appropriate exposure ...

Page 6: ...ile RF signals are received by the same service area radiating elements and amplified in the uplink RF path to be radiated back to the base via the donor antenna B Bo ot th h l li in nk ks s h ha av ve e A AG GC C a au ut to om ma at ti ic c g ga ai in n c co on nt tr ro ol l t to o p pr re ev ve en nt t o ov ve er rd dr ri iv ve e M Ma an nu ua al l g ga ai in n a ad dj ju us st tm me en nt t i i...

Page 7: ...g Similar to NEMA 3R Intermodulation Power and AGC Per CFR Title 47 Part 24 there shall be no spurious emissions greater than 43 10 Log 10 Power Out Watts dB below the carrier Power Out dB level This is always equivalent to 13 dBm The primary contributor to spurious emissions is multiple signal intermodulation As multiple signals are amplified they generate intermodulation products IM The level of...

Page 8: ...er per signal which can be expected from the 48810 for a given number of active signals operating at equal input levels For a donor site that has 3 signals the full power per signal would be 10 dBm assuming the incoming signal is sufficient so that that level will be achieved Number of signals dBm 1 15 0 2 12 0 3 10 0 6 7 0 12 4 0 TABLE 1 TYPICAL OUTPUT POWER PER SIGNAL In all cases the actual sig...

Page 9: ... port The distribution network need not be grounded in building installations However the distribution network in tunnels subways or outdoor installations should also include a cable ground and inline surge arrestor at or near the Service port Antenna Isolation Isolation between the donor base antenna and service area antenna should be 20 dB greater than the gain of the repeater amplifier If the i...

Page 10: ...els Ideal levels on the downlink are in the range of 75 dBm These levels will provide a maximum output power while not causing significant overdrive Also check for extremely strong out of band signals These may overdrive the filtering and cause gain reduction Connect the donor antenna to the 48810 via a 50 ohm coaxial cable Size and type of cable are a matter of choice Typically 1 2 Flexwell foam ...

Page 11: ...tions of the service area It should also include one subscriber in fairly close proximity to the service antenna This test will check to ensure that a nearby user does not overdrive the uplink and reduce coverage for the other users See the troubleshooting guide if there is an overdrive condition in either the uplink or downlink Diagnostics Troubleshooting LED s located in 487XX faceplate Problem ...

Page 12: ...he PM800 can be directly plugged into the 15 pin test port located on the front plate of the repeater Should the performance monitor become damaged contact RFS customer service at 1 800 321 4700 to order a replacement In the following description the term pin number refers to the connector pins in 15 pin Dsub Test Port on the 48810 Pin numbering starts upper right and proceeds from right to left t...

Page 13: ...itor 9 Disable input logic high disable Pins 10 13 Max sink 8mA Max source 15mA 10 UL AGC Voltage analog no AGC approximately 5 3 VDC Full AGC approximately 1 7 VDC 11 DL AGC Voltage analog no AGC approximately 26 5 VDC Full AGC approximately 7 65 VDC 12 UL Det Voltage analog approximately 0 to 3VDC approximately 0 3VDC per dB 13 DL Det Voltage analog approximately 0 to 3VDC approximately 0 3VDC p...

Page 14: ...using Pin 9 It is also used to power the PM800 10 performance monitor when attached Component Location 48810 Field repair for the 48810 is recommended only for the following parts 48810A 48810B Downlink Uplink Downlink Uplink LNA Converter Power Amplifier 101300064002 101300064001 101300064002 101300064001 Control Board Power Supply 11 ...

Page 15: ... 4100 SW Research Way Corvallis OR 97333 Limited Warrant 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 the date of shipment No material is accepted for replacement or repair without writte...

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