Fiber-Span FS71C-85-USR User Operation & Maintenance Manual Download Page 25 | Manualshive

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FS71C-85

Series

User

M anual

|

19

Copyright

©

2015

Fiber-Span

Figure 13: Downlink Control GUI Interface

The HRU Downlink Control shown above gives the
user the ability to optimize the Gain setting in the
Downlink path. Note: Uplink & Downlink’s Bandwidth
is factory set per customer’s speciﬁ cations.

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Summary of Contents for FS71C-85-USR

Page 1: ...erM anual I Pyright 2015Fiber Span FS71C 85 USR User Operation Maintenance Manual 800 MHz Digital Narrowband Repeater Unit Fiber Span 3434 Route 22 West Branchburg NJ 08876 908 253 9080 fax 908 273 90...

Page 2: ...quipment software or speci cations described in this document at any time and without notice These changes will be incorporated in new releases of this document This document may contain technical ina...

Page 3: ...d for installation by FCC LICENSEES and QUALIFIED INSTALLERS You MUST have an FCC LICENSE or express consent of an FCC Licensee to operate this device You MUST register Class B signal boosters as de n...

Page 4: ...Release 01 Aug 2014 DT 1 1 GUI Screen shots and descriptions updated 01 Feb 2015 HW 1 1a pg18 DL Setup 25 Feb 2015 HW 1 1k FCC statement clari ed 10 Aug 2015 HW Information in this document is subjec...

Page 5: ...ion 1 Contact 1 2 Product Introduction 2 Theory of Operation 4 Product Applications 5 3 Detailed Description 8 Overview 8 Amplifiers 8 Duplexers 9 Alarms 9 GUI Interface 10 Specifications 11 Outline D...

Page 6: ...ating Table 20 HRU Uplink Control 20 Uplink Gain Setup 21 6 Troubleshooting 22 HRU Alarms 22 Power LED Indicator 23 Amplifier Alarms 23 Fan Blockage 23 Door Lights 23 7 Warranty Information 24 General...

Page 7: ...der and Homeland Security radio systems applications Fiber Span s solutions for Defense and Military organizations are also leading the way by providing reliable and secure communications links for gr...

Page 8: ...RU may be connected directly via coaxial cable or op tionally to RRUs via BSU Base Station Interface Unit and one or more FTUs Fiber Transceiver Unit The following diagram illustrates how the DHRU ts...

Page 9: ...nor Antenna port and a DAS port Most applications for simple coverage enhancement solutions would require a Bi Directional Ampli er BDA The DHRU is Fiber Span s technology equivalent to the BDA with t...

Page 10: ...wer reaches the out put power limit When this happens intermodulation products are generated at the ampli er output The intermodulation products with the most likelihood of generation are 2nd and 3rd...

Page 11: ...ng coverage for multiple services As an ampli er to feed ber optic transceivers and provide RF wireless coverage using coaxial cable fed from the HRU The following diagrams help illustrate a typical c...

Page 12: ...anual 6 Copyright 2015 Fiber Span Figure 5 Typical HRU Multi Service Signal Distribution System Indoor Antennas Broadband RF Splitter Coaxial Cable Directional Antenna Base Station Interface Unit Dono...

Page 13: ...Fiber Span Figure 6 Typical DHRU to Multiple RRU Signal Distribution System Antenna Port DAS Port Downlink Port Uplink Port AC Power FTU HRU Fiber Optic Transceiver Unit To DAS To DAS To DAS To DAS To...

Page 14: ...y the nal gain stage of the RF ampli er The input signal to the power ampli er can be reduced to prevent the ALC circuit from becoming active This is done by adjusting the Attenuator control available...

Page 15: ...z 851 866MHz 18 MHz 806 824MHz 851 869MHz Alarms The alarms inside the DHRU utilizes a dry contact relay that is normally closed when there are no alarms The following alarm conditions will cause the...

Page 16: ...ies and lter bandwidths a well as Alarm Monitoring and Control functions The GUI software runs on a separate PC which is con nected to the DHRU via USB cable attached to the USB port on the front pane...

Page 17: ...max 20 dBm RF Connectors N Female Dimensions WxHxD in 19 00 x 6 95h x 19 30 Standard Rack mount version Weight lbs 45 lbs Standard Rack mount version Mounting Method Rack mount Enclosure 4U Alarms Dry...

Page 18: ...FS71C 85 Series User Manual 12 Copyright 2015 Fiber Span Outline Drawings Figure 9 Outline Drawing Rack mount Configuration Dimensions for the Rack mount con guration are as shown below...

Page 19: ...FS71C 85S e r i e sUserM anual 13 Copyright 2015Fiber Span Figure 10 Outline Drawing Wall mount Configuration TypicalM ounting Points 4...

Page 20: ...be terminated with a 50 load capable of handling 20 Watts The Alarm port uses an 8 pin male Switchcraft connec tor and is shown below The female connector Switch craft part EN3C8FX kit is included wi...

Page 21: ...g to lo cal and building regulations An illustration of the ground lug is shown below for both the wall mount and rack mount versions Grounding Grounding Lug Grounding Lug at Rear of Rack mount Chassi...

Page 22: ...h acceptable VSWR 2 0 1 This will prevent damage to the unit Electrostatic Discharge ESD Use caution when touch ing equipment Make sure your body has been statically discharged by grounding yourself v...

Page 23: ...85S e r i e sUserM anual 17 Copyright 2015Fiber Span Figure 12 DHRU Alarm Control GUI Interface Figure 11 DHRU Signal Paths and Attenuators Figure 11 illustrates the internal DHRU functional block di...

Page 24: ...elch to 90 dBm 2 Ensure that the measured composite RF signal lev el at the RF input port is no greater than 10dBm 3 At the output Antenna Port measure the composite RF 4 Set gain such that output is...

Page 25: ...015Fiber Span Figure 13 Downlink Control GUI Interface The HRU Downlink Control shown above gives the user the ability to optimize the Gain setting in the Downlink path Note Uplink Downlink s Bandwidt...

Page 26: ...f cient to provide the desired coverage The table at right summarizes the power per channel de rating requirements for FM type modulation schemes HRU Derating Table No of RF Channels Power per Channel...

Page 27: ...twork Loss should be about 20 dB sum of losses from any antenna over the coax and through all passive devices c Composite power can be calculated using 10 LOG10 n where n number of channels supported...

Page 28: ...er Manual 22 Copyright 2015 Fiber Span 6 Troubleshooting DHRU Alarms DHRU alarms are anunciated with red LED indicators in the Graphical User Interface See gure 15 below Figure 15 Alarm Status Indicat...

Page 29: ...voltage threshold or drops below the low voltage threshold Troubleshooting Steps a Check the source power cable s connection to the HRU and verify all connections are properly seated b Using a Multi m...

Page 30: ...r physically damaged For example broken warranty seal labels exhibiting tampering physically abused enclosure broken pins on connectors any modi cations made without Fiber Span authorization will void...

Page 31: ...Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at their own expense The maximum downlink...

Page 32: ...FS71C 85 Series User Manual 26 Copyright 2015 Fiber Span Fiber Span 3434 Route 22 West Branchburg NJ 08876 908 253 9080 fax 908 253 9086 www fiber span com...

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