Intelibs, Inc. Medium power Remote Unit Product manual MRU Operational Manual for GPS-iDAS Application Version: 1.
Contents 1 Introduction .......................................................................................................................................... 4 2 Product Description .............................................................................................................................. 7 3 4 2.1 External interface ports and Status Indicators ............................................................................. 8 2.2 Modules .....................................
FCC WARNING This equipment generates or uses radio frequency energy. Changes or modifications to this equipment may cause harmful interference unless the modifications are expressly approved in the instruction manual. The user could lose the authority to operate this equipment if an unauthorized change or modification is made. This is NOT a CONSUMER device. It is designed for installation by FCC LICENSEES and QUALIFIED INSTALLER.
1 Introduction Medium power Remote Unit (MRU) is a part of the Hybrid Distributed Antenna Systems (HDAS) to provide remote RF coverage solution from the Radio Hub Unit (RHU) fed by the RF source via OTA or Wireline connection. MRU is built on a small form factor with a single antenna port for dual band frequencies with the following features: 1. 2. 3. 4. 5. 6. 7.
As illustrated in Figure 1-1, Hybrid DAS network is comprised of RHU, FHU, MRU and SRU. Each RHU can support up to 16 SRU’s that can cover up to 500Ksf2 indoor space or 16MRU’s that can be cover up to 800Ksf2. (a) RHU-MRU configuration with GPS over fiber Intelibs, Inc.
(b) RHU-FHU-MRU/SRU configuration with GPS over fiber Figure 1-1 Various network diagram using RHU/FHU/MRU/SRU Intelibs, Inc.
2 Product Description As shown in Figure 2-1, MRU is a compact platform with the natural heat convection. As unified form factor, MRU services multiple technologies on a single platform with 4 band operating frequencies. It can be mounted on the wall. Variety of the service antenna can be used from small form factor antenna to indoor multi-band ceiling Omni antenna (or panel antenna). Figure 2-1 MRU system Intelibs, Inc.
2.1 External interface ports and Status Indicators MRU has main interface connections at topside of the enclosure, which includes optic, antennas and dc power input. The status LEDs and USB port for maintenance are located on left side. Figure 2-2 shows the top and bottom side of MRU.
2.2 Modules MRU is comprised of several internal modules such as 4 Band Multiplexer, DC/DC Converter, MRU Unit and 2 HPAs which is include FSK modem and main controller. Figure 2-4 shows inside of MRU system. Figure 2-4 Inside of MRU Table 2-3 Modules Module Picture Description DC/DC Converter This module converts +48VDC of PoE cable into +29VDC and provide this DC power to each active module in MRU.
High Band High Power Amplifier RF/Optic Module Quad Band Multiplexer This module amplifies high band signal such as 1900/2100MHz in order to get high energy and transmit high energy signal to Multiplexer filter. Composite power can be transmitted by this amplifier is 2W(33dBm/total). This module converts optic signal from RHU into DL RF signal and transfer to HPA. In case of Uplink, this module converts RF UL signal into optic signal to transfer to RHU.
Figure 2-5 Exterior in 3-dimension 2.4 Technical Specifications 2.4.1 General specifications Table 2-4 General Specifications Specification Dimensions Weight ANT and RF connector Optic port GUI port Values 14.37(H) x 11.00(W) x 4.84(D) inch 14 Kg (31 lb) 4.3-10 Female LC/UPC type USB A-type Input Supply Voltage +48VDC Operating Temperature Humidity -10 ~ +45 °C 5 ~ 80% Relatively 2.4.2 Remarks without holder bracket PoE adapter or AC/DC converter Frequency allocation 2.4.2.
2.4.2.3 1900MHz band 2.4.2.4 AWS band Up Link Intelibs, Inc.
Down Link Intelibs, Inc.
2.4.3 RF specifications 2.4.3.
2.4.4 Power Specifications Table 2-6 Power specifications Item Rated Input Voltage Permissible range Power consumption Specification 1. 2. +40 ~ +55 VDC typ. Tolerance ±5% 150W typ. 170W max. Intelibs, Inc.
3 Installation 3.1 Installation Tools Table 3-1 Installation tools Torque Wrench 4.3-10 Torque Wrench ESD Gloves Antenna cable w/ 4.3-10(M) LC/UPC-LC/UPC Optic Fiber, 10m Ground wire line Optic connector cleaner Wire Stripper & Cutter Rubber Mallet Digital Multi-meter Screw Driver 3.2 Item Check List Check that all the following items have been included with the box delivered. If anything is missing, please contact Intelibs.
3.3 Unit Mounting MRU should be installed vertically such as wall mounting because of heat dissipation. If MRU want to be installed on the rack horizontally, proper cooling devices like fan are required. The following diagrams illustrate the methods for mounting MRU in a typical wall. The brackets for wall mount are provided with MRU system. Figure 3-1 Wall mounting 3.4 Antenna MRU uses various antennas depends on its application and environment.
3.5 Power cable MRU uses +48V DC power by PoE passive injector. For DC power source, AC/DC converter or PoE (Power over Ethernet) adaptor can be used. Connect DC connector power cable to the “DC” port. Figure 3-3 Power cable connection 3.6 Optic cable MRU provides one optic port for upward direction, “Optic” port, and optic connector type is LC/UPC . Figure 3-4 Optic cable connection Intelibs, Inc.
Figure 3-5 and 3-6 shows various optic connection of RHU-FHU-MRU equipment. Figure 3-5 Optic cabling when cascading DAS systems with one FHU Figure 3-6 Optic cabling when cascading DAS systems with two-stage FHU Intelibs, Inc.
4 Configuration and Maintenance SRU can be configured in three ways via remote internet connection or local serial port connection. Local management interface through the internet or serial connection Web interface through the internet SNMP interface through the internet Master Unit is a remote management system that provides SNMP and Web interface, and maintains all functions of optical DAS system including configurations, monitoring, and real time alarm reporting.
Configuration guide below shows how to configure and manage MRU system. Figure 2-15 is an example DAS network for the configuration. Figure 4-2 RHU/FHU/MRU network 4.1 GUI connection The on-site local connection between LMT and RHU system can be established via USB interface. [Laptop connection to MHU] Intelibs, Inc.
[Laptop connection to MRU] Figure 4-3 USB connection If the USB connection has been established, LMT is ready to start. Click the short cut icon on your laptop and follows the steps below. Step 1 • Run the IDAS GUI. Step 2 • Select the connection parameters as follows: - Choose [File connect] from GUI window - Repeater Types: IDAS - Connected Device: choose one of RHU-Master, SRU, MRU or FHU - Connections o Serial Port: The port number established via USB Intelibs, Inc.
Step 3 • • Select the “RHU-Master” on the above window If “Repeater Browser” window appears, click “ALL” Step 4 • For setting ‘Remote Equipment’, double-click Remote name and set the configuration as below window. In this window Intelibs, Inc.
- Uplinked Dev : Uplink Device - ID : Uplinked Device ID - Install : Add the modules from uplink device - Uninstall : Remove the modules from uplink device - Erase the all installed configuration : Remove all modules. Step 5 • Check the installed device as below browser Step 6 • Click “MRU” from above browser Intelibs, Inc.
If connection is established successfully, then all parameters of MRU can be set by LMT terminal, and all status information can be reported to LMT. MRU’s status and parameters controllable by LMT are described in Table 4-1, 4-2, and 4-3.
HPA On/Off √ √ OUT PWR √ OUT UPR √ √ OUT LWR √ √ ALC √ √ ASD √ √ Turn On/Off downlink HPA (High Power Amplifier). Display downlink output power to ANT port Set upper limit of downlink output power, and displays its value and alarm status Set lower limit of downlink output power, and displays its value and alarm status Set ALC (Automatic Level Control) function’s activation level, and enable/disable ALC. Set ASD (Automatic Shut Down) function’s activation level, and enable/disable ASD.
Following is one example of LMT operation which sets the upper limit of MRU chassis’ temperature. Step 1 • Click the box which is on the right side of “TMPUPR”. A number in the box represents current upper limit of chassis’ temperature and change the value. And then enter the key. Step 2 • Enter desired TMPUPR value by clicking arrow button or entering number. Then press “Set” button. • Then the bottom of the window shows result of command.
5 Human RF Exposure and Antenna placement guide Actual distance is determined upon gain of antenna used. Please maintain a minimum safe distance of at least 110 cm while operating near the service antennas with maximum permissive antenna gain up to 15 dBi and 10 dBi when 862 – 869 MHz frequency band is serviced. Intelibs, Inc.
30 Two Year Limited Warranty Intelibs, Inc. (“Intelibs”) offers a standard two year warranty from defects in material and installation.
31 Index 3-Way Combiner .............................................. 10 AC Power specifications ............................. 14, 15 AGC .................................................................. 26 Bluetooth ................................................... 20, 21 DAS management network .............................. 20 DAS Type .......................................................... 25 FC-APC .............................................................. 18 FHU............................
32 Contact :supports@intelibs.com Address :Intelibs, Inc. 1500 Stony Brook road, Stony Brook, NY 11794 Web :http://www.intelibs.com Intelibs, Inc.
