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MobileAccess™ 1000/1200

Infrastructure Preparation

UM-1000, Revision 2.2

13

2.4 Horizontal Layout Installation

Horizontal layout installation conventions:

•

Connect a separate optic fiber to every site location, where a site may include

more than one RHU.

•

The connection may be to a splice box or directly to the RHU (depending on

the site configuration).

The following figure shows a horizontal layout installation with three RHUs
connected to a number of antennas.

RHU

RHU

CELL

SITE

BU

A

B

C

D

E

F

G

I

H

Figure

2-2: Horizontal Layout Installation

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Содержание 1000 System

Страница 1: ...UM 1000 Revision 2 2 I MobileAccess MobileAccess MobileAccess MobileAccess 1000 1200 Installation and Configuration Guide UM 1000 Revision 2 2 December 09 2003 ...

Страница 2: ...equacy quality validity completeness or suitability for any purpose of the information contained in this document MobileAccess reserves the right to make updates improvements and enhancements to this document and the products to which it relates at any time without prior notice to the user MOBILEACCESS MAKES NO WARRANTIES EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION THOSE OF MERCHANTABILITY AND...

Страница 3: ...Specific Product Warranty Instructions All MobileAccess products are warranted against defects in workmanship materials and construction and to no further extent Any claim for repair or replacement of units found to be defective on incoming inspection by a customer must be made within 30 days of receipt of shipment or within 30 days of discovery of a defect within the warranty period This warranty...

Страница 4: ...ITED TO INDIRECT SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH FURNISHING OF GOODS PARTS AND SERVICE HEREUNDER OR THE PERFORMANCE USE OF OR INABILITY TO USE THE GOODS PARTS AND SERVICE REPORTING DEFECTS The units were inspected before shipment and found to be free of mechanical and electrical defects Examine the units for any damage that may have been caused in transit If d...

Страница 5: ...RNING Compliance with RF safety requirements MobileAccess products have no inherent significant RF radiation The RF level on the down link is very low at the remote hub unit downlink ports Therefore there is no dangerous RF radiation when the antenna is not connected The design of the antenna installation needs to be implemented in such a way so as to ensure RF radiation safety levels and non envi...

Страница 6: ...N MobileAccess products have met the approvals of the following certifying organizations ISO 9001 For US FCC 47 CFT part 22 24 90 FDA CDRH For Canada RSS 118 RSS 119 RSS 133 SPECIFICATIONS Maximum ambient operating temperature 50 C Maximum ambient temperature in a rack 50 C ...

Страница 7: ...d configure the MobileAccess 1000 1200 system Revision History The revision history for this document is shown in Table 1 1 Table 1 1 Revision history Version Date Description 1 0 April 2003 Initial version 2 0 October 2003 Updated version to MobileAccess 2 1 November 2003 Review and editing 2 2 December 2003 Adding and updating RHU 1200 ...

Страница 8: ...er 3 Connections 14 3 1 Rack Installation 14 3 2 Module Descriptions and Connections 15 3 2 1 Radio Interface Unit RIU 15 3 2 1 1 RIU Front Panel 15 3 2 1 2 RIU Rear Panel 16 3 2 1 3 RIU Connections 16 3 2 1 4 Connections to Additional BUs 17 3 2 2 Base Units 18 3 2 2 1 BU Front Panel 18 3 2 2 2 BU Rear Panel 19 3 2 2 3 Base Unit to RHU connections 19 3 2 3 Remote Hub Unit RHU 1000 20 3 2 3 1 Wall...

Страница 9: ...ngle Point Test 29 4 1 5 Other Test Equipment 29 4 1 6 Optical Return Loss Measurement Test 30 4 1 7 Measurement Procedure 30 4 1 7 1 Measuring Power Input To Cable Being Tested 30 4 1 7 2 Measuring Coupler Power Loss 30 4 1 7 3 Measuring Return Power 30 4 1 8 Results 31 4 1 9 Summary 31 4 2 Appendix II Link Measurements Form 32 4 3 Frequently Asked Questions 33 ...

Страница 10: ......

Страница 11: ... monitoring and control of the system elements including antennas Features Single cabling and antenna system for all services and frequency bands Support for all current and future voice and data wireless services such as PCS CELLULAR TDMA CDMA GSM future 3G protocols Paging iDEN and 802 11 a b g Wireless LAN Upgradeable to include additional services Eliminates RF interferences occurring where mu...

Страница 12: ...Units The RIU RF output signals are combined and fed via direct coax connection to MobileAccess Base Units Base Units BUs convert the RF signal received from the RIU or passive interface to an optic signal that is then split and routed via optic fiber to Remote Hub Units located in remote locations Each BU can support up to eight RHUs Remote Hub Units RHUs converts the optic signal to an RF signal...

Страница 13: ...m Block Diagram The Base Units and controller along with the power supplies and other elements required for interface are usually installed in the same rack in the communication room while the RHUs are distributed throughout the locations to be covered In the communication room located next to the BTS or BDA the RIU is also installed in the rack ...

Страница 14: ...ccess 1000 RHU The dual band RHU consists of a low band service cellular 800 iDEN Paging or GSM 900 and a high band service PCS 1900 or DCS 1800 Figure 1 2 MobileAccess 1000 Basic BU RHU Configuration B Using the MobileAccess 1200 add on unit to provide an additional service In the second option a MobileAccess 1200 add on unit can be added in order to provide an additional service The add on unit ...

Страница 15: ... Band Base 8 Unit supporting 8 RHUs WB B4U Wide Band Base 4 Unit supporting 4 RHUs Table 1 2 MobileAccess RHU Models with Add on Capabilities MobileAccess 1000 RHUs ready for add on units 1000S CELL 4 Single band Cellular 4 ports 1000S IDEN 4 Single band iDEN 4 ports 1000S PCS 4 Single band PCS 4 ports 1000D IDEN PCS4 Dual band iDEN PCS 4 ports 1000D SMR PCS4 Dual band SMR PAGING PCS 4 ports 1000D...

Страница 16: ...1 4 MobileAccess 1200 RHU Models MobileAccess 1200 RHU 1200 PCS SA 1 Stand Alone high power PCS one port 1200 UMTS SA 1 Stand Alone high power UMTS one port RHU 1200 PCS AO Add on RHU supporting a PCS service 1200 UMTS AO Add on RHU supporting UMTS service Table 1 5 MobileAccess UMTS Ready RHU Models MobileAccess 1200 RHU Litenna UMTS Ready compatible 12L UMTS AO Add on RHU supporting UMTS service...

Страница 17: ...CELL BTS Conditioner for Cellular RIU BTSC IDEN BTS Conditioner for iDEN RIU BTSC PCS BTS Conditioner for PCS RIU BTSC SMR BTS Conditioner for SMR Paging RIU BTSC GSM BTS Conditioner for GSM 900MHz RIU BTSC GSM O BTS Conditioner for GSM 900MHz for Orange RIU BTSC DCS BTS Conditioner for DCS 1800MHz RIU BTSC UMTS BTS Conditioner for UMTS 2100MHz ...

Страница 18: ...ng fiber optic cables Verify the Fiber Optic connections You may use the Optical Test Procedure described in Appendix I Optical Test Procedure Pay special attention while connecting the SC APC connectors you must hear the click when the connection is made 2 1 2 RF Rules Use coax 50ohm male to male N type 6 7dB for 1Ghz 11dB for 2Ghz for connecting to RHU ports Use coax RG223 50ohm male to male N t...

Страница 19: ...PS configuration 2 2 1 Power Consumption of Units Table 2 1 MobileAccess Power Requirements Unit Type Voltage Input Power Consumption RIU 20 to 48VDC 10W Base Unit 20 to 48VDC 14W Remote Hub Unit 1000 20 to 48VDC 25W Add on Unit 1200 20 to 48VDC 50W 410 430 Controller 20 to 48VDC 10W 2 2 2 Power Supply Configurations Two Power Supply configurations are usually in use Individual connections each PS...

Страница 20: ... 48V 40W Local AC DC Converter 40W LPS 48V 100W Local AC DC Converter 100W RPS 200 N 48 Non redundant 200W 110 220V Wall Mount RPS 500 R 48 Redundant 500W 110 220V Chassis Mount RPS 1000 R 48 Redundant 1000W 110 220V Chassis Mount RPS 14 50W 48 Remote power supply 14 modules of 50W 48V RPS 14 100W 48 Remote power supply 14 modules of 100W 48V RPS 6M 220 Remote power supply enclosure 6 Modules 220v...

Страница 21: ... rack is also routed through the building shaft to splice boxes located every three floors where a Splice Box is used to split a tube of six fibers to three pairs of fibers A pair of fibers is routed to the corresponding floor to the floor above and to the floor below Single source power cable a single thick power cable runs from the communication room through the building shaft The power is distr...

Страница 22: ...ti story building using the installation conventions previously described Floor 9 Floor 2 RHU 2 Pigtail Fibers Fiber Optic Cable Floor 7 2 Pigtail Fibers Patch panel B8U SC APC PigTail SC APC Jumpers Splice box RHU RHU RHU 19 Rack Power Supply DC Cable Splice box Floor 30 Floor 8 D C Clamp 2 Pigtail Fibers Figure 2 1 Fiber Optic and Power Cables Routing Example ...

Страница 23: ...ate optic fiber to every site location where a site may include more than one RHU The connection may be to a splice box or directly to the RHU depending on the site configuration The following figure shows a horizontal layout installation with three RHUs connected to a number of antennas RHU RHU CELL SITE BU A B C D E F G I H Figure 2 2 Horizontal Layout Installation ...

Страница 24: ...installed where you may also want to consider future expansions The following image describes shows the recommended locations of the MobileAccess elements in the rack in order to facilitate and simplify the cabling connections Note that the MobileAccess 410 430 controller is at eye level to provide an easy view of the LED indicators and LCD display and easy access to the local and remote monitorin...

Страница 25: ...nd LEDs The wiring connections on the front panel are used to combine the RF signals into a single signal that is applied to all BUs Figure 3 2 RIU Front Panel Table 3 1 RIU Front Panel Indicators LED Description P S UNIT PWR ON input signal is at the required level BTS CONDITIONER RUN Flashing CPU is running and software loaded BTS CONDITIONER DL OVERLOAD Continuous Red RF switch is disconnected ...

Страница 26: ... and output connectors MUST be terminated with 50 ohms otherwise the ADJUSMENT procedure results may be affected 3 2 1 3 RIU Connections 1 Connect each Base Unit to the corresponding pair of RF outputs on the RIU rear panel Note that one uplink and one downlink RIU rear panel connector is used to connect one OPTM four ports from the BU To connect additional BUs refer to Connections to Additional B...

Страница 27: ...tter to the Downlink connector on the RIU front panel and an 8W combiner to the Uplink connector on the RIU front panel and connect additional BUs to the uplink and downlink connections Expansion ports BTSC BTSC BTSC BTSC BTSC BTSC Combiners Splitters Compartment UL and DL connections to four BU8 modules UL and DL connections to up to four additional BU8 modules External 1 8 splitter combiner ...

Страница 28: ...orresponding link LEDs is lit according 3 2 2 1 BU Front Panel The front panel contains all the optical connections The following figures show the two configurations in which the BU is available Figure 3 4 Eight Port MobileAccess 1000 Base Unit Front Panel Figure 3 5 Four Port MobileAccess 1000 Base Unit Front Panel Table 3 2 MobileAccess BU 1000 Front Panel Indicators LED Description Link 1 8 ON ...

Страница 29: ...l cabinet SC APC adaptors for fiber optic cable connections is installed in the rack near the Base Units 2 Connect 3 125 900 pigtail with SC APC connectors between splice tray and patch panel cabinet 3 Connect 3 125 3000 SC APC jumpers between the corresponding Base Unit and patch panel 4 Connect the fiber optic cables from the Base Unit to the RHU s through the patch panel cabinet Figure 3 7 Base...

Страница 30: ...re 3 8 RHU 1000 Figure 3 9 RHU 1000 Rear Panel Table 3 4 MobileAccess 1000 Front Panel Indicators LED Description Link When on constantly the LED indicates that the received optical power from BU functions within the specifications When it blinking it indicates that the optical power from BU is higher than 2dBo RUN When blinking indicates that the CPU in the RHU is in normal operating mode DC Powe...

Страница 31: ... four screws 4 5mm diameter 40mm long Figure 3 10 RHU 1000 Wall Mount 3 2 3 2 Connections 1 Install splice box near RHU refer to Figure 2 1 2 Connect fiber optic cable to splice box and to SC APC pigtails to RHU 3 For the downlink connect the fiber optic cable pigtails from splice box coming from the Base Unit port to the corresponding Remote Hub Unit port 4 Connect the Remote Hub Unit to antennas...

Страница 32: ...ncy band low or high The frequency band depends on the model RHU 1200 is supplied in two configurations add on and standalone RHU 1200 add on model is assembled onto the RHU 1000 model using the supplied bracket RHU 1200 does not require any additional RF or optic infrastructure since all signals are received through the RHU 1000 unit to which RHU 1200 is assembled Figure 3 11 RHU 1200 Front and R...

Страница 33: ...r using the U shaped jumpers and the pair of SMA Uplink connectors to each other Using the second U shaped jumper 2 Position the supplied bracket on the RHU 1000 and secure the bracket to the RHU 1000 using the four supplied 6 32 NC screws 3 Position the RHU 1200 unit on the bracket and secure the RHU 1200 to the bracket using the four supplied 8 32 screws 4 Interconnect the RHU 1000 and RHU 1200 ...

Страница 34: ...Connections MobileAccess 1000 1200 24 UM 1000 Revision 2 2 Figure 3 14 RHU 1200 to RHU 1000 Assembly Figure 3 15 RHU 1200 to RHU 1000 Completed Assembly ...

Страница 35: ...ovides point to point connectivity implemented via either direct RS232 connection or via connection to a DSPN phone line MobileAccess 430 provides client server management capability over TCP IP network with enhanced monitoring and control capabilities in addition to the connectivity options provided by MobileAccess 410 NOTE The MobileAccess 430 front panel is differentiated from the MobileAccess ...

Страница 36: ...er Rear Panel Note The rear panels for the MobileAccess 410 and MobileAccess 430 are the same Figure 3 18 MobileAccess 410 430 Rear Panel DC Input General purpose alarms input BTS alarms output RF2MobileAccess MA BU and RIU inputs Legacy BU inputs Slave controller connections ...

Страница 37: ...easurement test 4 1 2 MobileAccess System Characteristics The MobileAccess system consists of the following characteristics Singlemode fiber Wavelength 1310nm Fiber Optic Cable Measurement Tests Cable can be measured through several procedures This document describes the following tests Optical insertion loss measurement test Optical return loss measurement test These tests are intended to be perf...

Страница 38: ...on loss measurement tests the attenuation of the cable The insertion loss value should be minimal and remain in scale to 0 4dB Km The insertion loss measurement can be performed in two methods Two point test Single point test 4 1 4 1 Method 1 Two Point Test Connection description Light source connected at one end of the cable and an optical power meter at the other end Light source Optical power m...

Страница 39: ...nector Fiber optic jumper Figure 4 2 Single Point Test 1 Use optic jumper to connect the two cables 2 Connect light source directly to the optical power meter 3 Measure the power of light source signal verify power of 0dBm 4 Connect a light source and optical power meter to one end of each cable 5 Measure the power of the signal 6 Calculate the difference between the two signals in dB Insertion lo...

Страница 40: ...edure 4 1 7 1 Measuring Power Input To Cable Being Tested Verify that light source power is at 0dBm Connect a light source to connector 1 Connect optical power meter to connector 3 Measure signal power P3 power should be approximately 4dBm 4 1 7 2 Measuring Coupler Power Loss Move power meter from connector 3 to connector 2 Move light source from connector 1 to connector 3 Measure power loss of co...

Страница 41: ...4 1 Fiber optic Cable Test Results Test Measurement Pass Range Pass Fail Optical insertion loss 0 5 dB Km Optical return loss 50 dB 4 1 9 Summary If the fiber fails in the optical insertion loss or optical return loss tests then the connector needs to be cleaned Connector cleaning is carried out according to a standard cleaning procedure Following cleaning the fiber needs to be tested again If the...

Страница 42: ...ileAccess The following issues should be taken into account Measure the optical power for every link with an optical meter and light source according to the number of links or RHU s Measure the typical signal strength RSSI for every installed antenna Check coax cable connection between RHU and every installed antenna Table 4 2 Link Measurement Table System Link Power Meter mW RSSI dBm Coax Cable O...

Страница 43: ...or from a cost versus performance perspective for use with our products It offers a consistently low back reflection and low loss It is currently the lowest cost connector in its performance class 3 In green field turnkey installations MobileAccess will use only SC APC connectors in the network in order to warrant system performance Are connectors other than SC APC recommended or allowed as long a...

Страница 44: ...formance LAN data links which are more commonly installed in the premises environment do not have stringent back reflection requirements Installers who have worked with the Telephone carriers or CATV installations on the other hand are much more aware of low back reflection requirements What test documentation should I require from my fiber cable installer Should I require OTDR traces 7 Answer Whe...

Страница 45: ...vailable on the market So much so that it is usually referred to as simply APC There is a 12 degree angled APC polish available as well but it is rare This 12 degree angled polish is not compatible to MobileAccess equipment and should not be mated to an 8 degree APC It is however acceptable for use in the fiber backbone What are the various connectors that MobileAccess would recommend 11 Answer 1 ...

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