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DHS37-R-DU

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3. According to DL RF input levels, program input attenuator to avoid input overflow, and output

attenuator for each remote to obtain desired output level in each remote.

4. Reciprocally, set UL band gain adjusting output attenuator of master unit. It is recommended that DL

gain and UL gain be equal.

Set number of active channels and frequencies

Set Input attenuator

Set Output attenuator

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Содержание DHS37-R-DU

Страница 1: ...English DHS37 R DU PS800 Digital Fiber Remote Unit User Installation Manual ...

Страница 2: ...DHS37 R DU II Document History Description Revision Date Issued Original version 1 0 July 3rd 2014 General Review 2 0 March 2nd 2016 General Update 3 0 7 June 2017 ...

Страница 3: ...in this manual are subjected to continuous development and improvement Consequently there may be minor discrepancies between the information in the manual and the performance and design of the hardware and software Specifications dimensions and other statements mentioned in this manual are subject to change without notice This manual or parts of it may not be reproduced without the written permiss...

Страница 4: ...m for Mobile communication ETACS Extended Total Access Communication System ETSI European Telecommunications Standard Institute FCS Fiplex Control Software GSM Global System for Mobile communication HW Hardware LED Light Emitting Diode LNA Low Noise Amplifier uplink and downlink MS Mobile Station MS antenna towards the mobile station OMS Operation and Maintenance System OL Overload PA Power Amplif...

Страница 5: ...tive 1999 5 EC Station Ground BTS chassis MOU feeders donor antenna service antenna s and auxiliary equipment splitters tabs etc are required to be bonded to protective grounding using the bonding stud or screw provided with each unit Electrostatic Discharge Static electricity means no risk of personal injury but it can severely damage essential parts of the equipment if not handled carefully Part...

Страница 6: ...uch as binocular or a microscope Never handle non dark fibers RF Exposure As a part of a Telecommunications System MOU1x is not intended to radiate signals and meets EMC directives but within the System may have cables and antennas that are potential sources of radiating Contact the System Design to verify the compliance of the Exposure to Non Ionising Radiation ...

Страница 7: ... necessary for the installer to reduce the UL and or DL output power for certain installations ATTENTION This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation ATTENTION FCC regulation man...

Страница 8: ...ct connection of Base Station after that it is sent though a digital link to the Remote Unit The Remote Unit the data is converted back to RF amplified and radiated to the Service antennas At the Uplink Input port the Remote Unit receives the UL signal The UL input signal comes from the Service antennas after that this signal is digitally converted from RF to optical signal and sent over the fiber...

Страница 9: ...DHS37 R DU 5 2 1 Digital Master Unit Ports The Digital Master Unit is equipped with internal duplexers therefore the enclosure has the To Base RF Port ...

Страница 10: ...DHS37 R DU 6 2 2 Digital Remote Unit Ports The Digital Remote Unit is equipped with internal duplexers therefore the enclosure has the To Mobile RF Port ...

Страница 11: ...DHS37 R DU 7 2 3 FO Connection 2 3 1 FO Connection in Master Unit Note Each fiber connection is performed with simplex fiber and LC APC connector ...

Страница 12: ...DHS37 R DU 8 2 3 2 FO Connection in Remote Unit Note Each fiber connection is performed with simplex fiber and LC APC connector ...

Страница 13: ...DHS37 R DU 9 2 4 Dimensions 2 4 1 Digital Master Expansion and Remote Unit Cabinet Dimensions ...

Страница 14: ...ing It is not recommended to operate the DAS under bad weather conditions such as Intense rainfall snowfall or hail Storm or high wind Extremely low or high temperature High humidity of the air Mounting 1 Mount the bracket The cabinet can be mounted on a wall or pole These mounting cases are shown below in Figure 1 and Figure 2 The bracket is provided with each cabinet Figure 1 Figure 1 shows a br...

Страница 15: ...DHS37 R DU 11 2 After attaching the bracket hang the cabinet as shown in Figure 3 Figure 3 ...

Страница 16: ...DHS37 R DU 12 3 Secure the cabinet to the bracket as shown in Figure 4 To attach the cabinet to the bracket use the provided four M6 x 1 2 allen screws Figure 4 ...

Страница 17: ...R DU 13 Opening and Closing the Cabinet To open the cabinet release the 8 door screws indicated in figure 5 using the provided special allen key A Release cabinet cover Figure 5 Use the special allen key N 6 ...

Страница 18: ...DHS37 R DU 14 B Open the cabinet cover Figure 6 C Close the cabinet cover Figure 7 ...

Страница 19: ...DHS37 R DU 15 D Secure cabinet cover Figure 8 ...

Страница 20: ...he user requires to use this connector if available the NFPA cables Ethernet DC and AC cables can be routed through this connector Figure 9 AC Routing through cable gland or conduit connector If the is not going to use Liquid Tight Conduits then the connector should be replaced by the provided sealing cup as indicated in Figure 10 A Remove the conduit connector ...

Страница 21: ...quipped with a Nema4X enclosure however to ensure the Nema rating the user must have the following considerations 1 Correct use of the Liquid Tight Conduit In case this interface is not used it should be replaced with the sealing cup 2 Sealing cups should be installed in the non used cable glands 3 The RF Ports should be perfectly mated ...

Страница 22: ...unit b Connect fiber cable to internal optical module LC APC connector is used in the unit 3 Once RF ports of the unit are properly loaded connect the Main Power the AC or DC source depending on the model If using the AC model electrical installation must provide differential and thermo magnetic breaker elements according to electric safety international regulations L N TMB DB 4 For NFPA connectio...

Страница 23: ...e unit has been connected to the power source it takes about 30 seconds to run a booting routine After that time unit is ready to be connected via USB cable to the Digital Master to a computer running Fiplex Control Software FCS in order to be properly configured Figure 13 USB Port location ...

Страница 24: ... the master through fiber optic checking link status 2 Enable channel filtering if needed and setup desired channel frequencies If Fiplex Digital Fiber DAS is used as channel selective user has to know what frequencies are used in base station Each channel can be enabled independently Channels not used can be showed hidden using the Show channels checkboxes If remote units are on and connected thr...

Страница 25: ...and output attenuator for each remote to obtain desired output level in each remote 4 Reciprocally set UL band gain adjusting output attenuator of master unit It is recommended that DL gain and UL gain be equal Set number of active channels and frequencies Set Input attenuator Set Output attenuator ...

Страница 26: ...reshold is minimum level received in any active channel minus 10dB 6 Setup desired filter bandwidth depending on presence of adjacent channels In principle recommended bandwidth filter is 90KHz due to its low delay but if adjacent signal is detected narrow filters can be used Fine gain can be set to equalize input signals Set Output attenuator Check UL and DL gain for each remote DL squelch settin...

Страница 27: ...DHS37 R DU 23 Filters and fine gain settings ...

Страница 28: ...ow blinking fast blinking on Table 1 describes alarm and warning conditions for each led state in the master device and Table 2 is for remote devices Table 1 Indicator Panel LED indication description Unit is not powered or fail in power supply Normal state Unit is powered on Normal state HW fail digital signal processor is not detected Temperature very high internal unit temperature Optical fiber...

Страница 29: ...verflow or excessive temperature alarm PA Underflow PA output level is lower than 25dBm Normal state Where Led OFF Led slow blinking with period of 2 seconds aprox WARNING Led fast blinking with period of 0 5 seconds aprox ALARM Led ON 4 4 Laboratory Measurements For specific parameters verification and laboratory tests please contact factory Detailed procedures recommended tests set up and a know...

Страница 30: ...fully installed and connected to Digital Master see section 7 status screen will appear In this screen RF configurations parameters channel frequencies bandwidth filter gains attenuation and RF and optical links monitoring RF input output levels AGC status optical link status are shown At left side of webpage configuration menus are shown Content Status whole RF configuration and monitoring parame...

Страница 31: ...r writing new values on text fields Also router 3G IP address can be viewed in this screen if 3G router option is installed Downlink Spectrum in order to know input signal level of desired channels unwanted channel levels Digital Master provides an spectrum analyzer that shows input signal in frequency domain Date Time for units with Ethernet supervision page to modify real time clock When the rep...

Страница 32: ...ag IP password and date and time menus After any configuration change web page will show and icon that allows user to know if configuration has been successfully applied o Reload Settings clicking this link repeater configuration data is refreshed Version shows hardware firmware and software versions of repeater and serial number 6 2 RF parameters description Digital Master Status menu shows whole...

Страница 33: ...an be fine adjusted Power indicator Level of each channel measured according to its bandwidth filter is shown in dBm units Led indicator shows if levels exceeds squelch threshold green or not yellow Squelch enable control Enabled disabled Enabling this control repeater does not transmit in each channel if RF input power do not exceed the threshold level configured according to next row Squelch thr...

Страница 34: ...put level in UL band AGC Grey normal state Red alarm state This indicator shows gain reduction that master unit is applying at RF output to prevent PA UL overload Output Attenuator RF OUT to Base Station UL 0dB to 30dB Output attenuator to adjust UL gain System UL gain can be computed as G_UL dB 80 AttOUTmaster dB o Master Board status general parameters of master unit are contained in this frame ...

Страница 35: ...ter unit Parameter Range Description Frequency UL band Uplink frequency channels These frequencies are derived automatically from downlink frequencies taking into account frequency separation between DL and UL bands Channel enable Enabled disabled Each of 12 channels can be enabled disabled Bw Filter 90KHz 45KHz 30KHz 20KHz 15KHz Bandwidth of channels filter can be independently adjusted if filter...

Страница 36: ...le describes information of this frame Parameter Range Description Output power level This indicator shows the PA output power PA Overflow Grey normal state Red alarm state Indicates that PA is overloaded Condition is output power higher than 43dBm Downlink gain from master to remote Shows downlink gain for each remote Can be calculated as G_DL dB 80 AttInMaster dB AttOutRemote dB AGC Shows gainr ...

Страница 37: ...cy Sync Green Normal state Red Alarm state This indicator shows frequency synchronization status between master and remote unit Status Green Normal state Yellow Warning state Red Alarm state This indicator summarizes the status of optical module based in voltage current temperature and optical transmitted power Rx Detect Green Normal state Yellow Warning state Red Alarm state This indicator summar...

Страница 38: ... to only remote side of optical link is monitored 7 Local Software Installation and troubleshooting 7 1 Installation The following section will describe the steps to be followed in order to install and use the Fiplex Control software with your Fiplex repeater 1 Before connect USB cable between computer and repeater run the FiplexControlSoftware msi File Next screen will appear ...

Страница 39: ...es x86 FiplexControlSoftware Note that this can change according to your system configuration 32bits or 64bits language and Windows Version 3 The installer will start to copy the necessary files 4 After installation has completed a shortcut in user desktop will appear ...

Страница 40: ...on Windows version screen asking for drivers of new device can appear Drivers can be found in application folder C Program Files x86 FiplexControlSoftware drivers 6 Turn on the Repeater BE SURE THAT TO MOBILE AND TO BASE PORTS ARE PROPERLY LOADED EITHER WITH 50 OHMS DUMMY LOADS OR RADIATING SYSTEM 7 Execute the Fiplex Control Software Next window will appear ...

Страница 41: ...M ports Available COM ports not related to Fiplex devices will be shown with its number and Unknown device label COM ports related to Fiplex devices will show a device description Embedded Web browser graphical area where configuration and monitoring parameters will be shown File menu contains menus to save repeater configuration to a file and load configuration from file to repeater NOTE if Fiple...

Страница 42: ... is enabled NOTE Fiplex repeater could not appear in list if COM port number is higher than COM16 depending on Windows version COM port number can be forced to arbitrary number below COM16 through Device Administrator In order to change COM number click Properties pop up menu Click Advanced Options ...

Страница 43: ...DHS37 R DU 39 Change COM port number 9 Click Connect Fiplex Control Software window will be automatically maximized and it will show the configuration screen described in previous sections ...

Страница 44: ...e will go back to initial window Moreover if some communication problem occurs while device is monitored the software will go back to initial state as well 11 Remote unit can be controlled through USB port In this case Fiplex Control Software will show that connected device is a remote unit After click on Connect button program will show only remote configuration and monitoring parameters with sam...

Страница 45: ...DHS37 R DU 41 ...

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