LG ELECTRONICS PICOCELLBTS CDMA Base Station Transceiver Subsystem User Manual
LG Electronics, Inc. CDMA Base Station Transceiver Subsystem Users Manual
Users Manual
Pimggll BIS dem'ma' n PICOCELL BTS System Description Copynghl © 2000 LGIC All Rights Reserved aned m Korea LGIC Proprietary 1 (27) Notice No part of this document may be reproduced or dislribuled In any means, without the express prior written permtssion of LG Information & Communications, Ltd LG Information & Communications, Ltd. Makes no representations or warranties, express or implied, with respect lo the contents hereof, The information in this document may be changed at any time without notice LGIC is a trademark of LG Information & Communications, Ltd. All other trademarks mentioned herein are the property of their respective owners LGIC Proprietary 2 Summary This document describes personal communications system using CDMA digital mobile communications technology, STAHEX~800 Export Pico—Cell BTS SYSTEM Table of Contents 1. General 1t1 Abstract 1.2 Standards and Specifications 2. Architecture 2.1 H/W Configuration 242 SAN Configuration 3. Functions 31 Main function of BTS 3.2 H/W configuration and function 3.3 S/W configuration Diagram 4. Abbreviations LGIC Proprietary 3 1, General 1 .1 Abstract PlCO-CELL BTS(hereinafter called P-BTS), located between MS and 880 in personal communications system using CDMA digital mobile communications technology STAREX-SOO, controls and maintains calls as to MS. That is, it leads MS to recognize BTS. downloads necessary data, allocates tratlic channel as to call request and makes call path open, in view ol the capacity of BTS. it was designed with 1FA, and BTS can be accommodated up to 48ea as to one BSC, PlCO-CELL accommodates all the following functions. Call control and call resource management Loading inaction Configuration and operational iniormation management iunction Trouble treatment function Statistics, overload measurement and control lunction Radio signal processing, radio link test and TPTL Packet routing and transmission Inventory lunction Remote Control Function LGIC Proprietary 4 24 Architecture 2.1 HMI Configuration PICO-CELL BTS is composed of 5 blocks, i,e., POL, rectifier. environment detection unit, Body»Muunt Module. AC BOX.. Configuration/mounting diagram and structure of PICO-CELL BTS are as follows: Main Body b b noon (Penn ) m... orEu my.” m on w EX'emaI FAN psoP-E Ac“ Pco “mun..." mt as». so» Cl mm 3 Q x cm, 5 l ;‘ ° * ‘, sun . 3 m. - breaker /5wuch PICO-CELL BTS Configuration and Mountinu Diagram 2.1,1 PCD( Plco—Cell Shelf for DCN ) PCD block IS mounted on P-BTS, and executes downloading, call control, maintenance function of BTS including modem function and channel distribution function of CDMA Channel and up/down convert function of RF Signal. Besndes, HNV configuration diagram and lower module are as follows: PCD Mounxmg Dlagram LGIC Proprietary 7 “t f1_______fi,______m Mllifidmnhim Packet BUS Serial BUS II I H IFA BUDA DP El/Tl BSC <— TAXI PCD Architecture Diagram (1) SCPA : As BTS's Master Processor, it executes downloading, call control, maintenance lunction of HTS. (2) MCPA : As signal processing area as to CDMA channel, it is in charge ol Overhead Channel and Traffic channel. (a) RCPA: It executes RF device control function, Base-band Digital Combining at forward link. (4) BUDA-DP : ND Conversion, trequency conversion and output detection oi Tx/th signal (5) BTMA/MGPS : Relerence clock provision, TOD and IPC Iink lunction. (6) P005 : Back board 01 PCD 2142 Rectiiier(PSOP»P1) As a device that supplies DC power to each device in the system, internal H/W is composed ol a supervisory processor lor communications With environment detection unit and the operation and control ol rectifier. AC/DC converter that changes AC power into DC power and DC/DC converter. (1) AC/DC Convener: - It receives input single-phase 220V AC power and outputs DC -48V. - Upon blackout and AC/DC Fail, it receives DC-48V from Battery and converts it into DC/DC. (2) DC/DC Convener : It outputs AC/DC Convener and outputs +5V, 1-12V, +27V with -45v DC power. Upon AC/DC Fail or blackout. it receives »48V lrorn Battery and outputs +5V/112V/27V. (3) Supervisory processor : It was designed to report each state of rectifier to upper one (report via envrronment detection unit). 2.1.3. Environment detection unit Environment detection unit (ACU-E) prevents mallunction according to surrounding circumstances and prevents an accident belorehand. It receives input at +27VDC power trom rectifier, and detects the temperature ol main body, rectilier, door state and the temperature 01 battery box, and environmental state of door, ll there occurred environment not suitable for the operation of the system, it provides alarm generation, power culoll, etc. (I) ACU~E : It senses temperature and supervises Ihe body ol rectilier and battery, (2) lnner/Extemal FAN : ll sensed temperature exceeds the fixed value for high temperature generation. environment detection unit runs FAN. (3) HEATER : Upon Coldstan, it makes the temperature inside of the body emit heat until it reaches suitable temperature or makes the inside ot the body kept at a lixed temperature. LGIC Proprietary 8 2,1,3. Body-Mount Module It amplifies, combines and disconnects BTS Tx/th signal and executes FtF output control function through the detection and report of Tx signal level. In addition, for the diversity of le signal, it uses 2 antennas. performing Tx/le duplexing function and, as supplementary lunctions, the function of measuring VSWR on the antenna side. HNV is composed of main Tx, th path and supplementary functions, that is, HPAU-DC that executes amplification to send output from BUDA-DF’ and DFEU to separate Tx/Rx signal and get rid 0! signal in addition to required signal. (1) HPAU-DC : Amplification lunction necessary for the output of Nominal RF Power of Tx signal. (2) DFEU : It performs amplification of two Rx path signal, removes TX Spurious and provides sampling port of Tx signal. 2.1.4. AC Distribution Box It is a device that receives commercial power single-phase 220V/380V, supplies it for stable AC power and breaks abnormal powerr HNV of the device is made of main breaker that executes the function oi distributing power to system rectifier and supplementary devices and the function ol opening and closing AC power and auxiliary breaker that supplies power to each supplementary device with power through input common terminal and power supplied from main breaker. LG/C Proprietary 9 2,2 SNV Configuration SNV ol BTS is composed of ECMS, RCCS, ECF (ECMSJ Signaumg Comm STAREX—i 800 883 < BTS and 880 SM Configuration > 2.2.1 ECMS(Enhanced BTS Call Control 8. Management) Subsystem ECMS Subsystem perlorms mobile call setup and release and the management oi resources relating to call, In addition, tor operation and maintenance, it executes downloading function, status manageemnt lunction, configuration and operation information update function, trouble treatment function, remote control function, inventory Iunction, overload control and statistics lunction. 2.2.2 RCCS( Fit 8. Channel Control) Subsystem RCCS Subsystem controls MCPA, BUDA-DP, etc. and executes dlgltal signal processing and call processing as to J-STD»OOB CDMA channel. In addition. it executes channel element downloading iunction, device status management function, statistics function, etc. It controls and manages all FtF devtces such as BUDA-DP Frequency Synthesizer Control. HPAU-DC Enable/Disable, etc, and executes HF power control lunction such as lhe measurement of AGC/RSSI Level, Tx Gain Control ol entire sector, etc. LGIC Proprietary 10 E' HEELS! . . 3. Functions 3.1 Main lunctions ol BTS The main function of BTS subsystem is as follows: 1) Call control Interworking with MS and 880, it sets up and releases Mobile-to-Land, Land-to-Mobile, Mobile-to»MobiIe calls that entered into BTS and supports Softer, Soft, Hard handofi lunction. In addition. it executes Markov call processing lunction tor setting up test call, 2) Call resource management It selects channel element resources necessary tor call setup by sharing the load. and collects them upon call release, Besides. depending on handotl occurrence lrequency ol each BTS, it reserves resources exclusive lor handofi and supports stable handoll. a) Downloading BTS downloads OS and Application Code that it needs by processor lrom upper processor. Upon downloading of OS and Application Code. ii the version is identical. it does not receive loading again and, instead, it is run with them transferred lrom llash memory which is nonvolatile memory. This is to get rid of unnecessary loading time and drastically reduce the initialization time 01 BTS. SCPA, after downloading Application Code, builds and operates database regarding own status, configuration and operation lrom PLD Data directly translerred lrom BSM and transfers configuration inlormation necessary for initialization to FlCPAt 4) Configuration. status lunction For the operation and maintenance ol BTS. it executes status management of processor, status management oi device. management of configuration information and operation inlormation. etc. SCPA, interworking with RCPA and 850. BSM, perlorms operation and maintenance ol entire BTS. 5) Trouble, alarm ma management it manages hardware troubles. i.e.. power trouble, processor function trouble, and cable open trouble or soltware troubles that do not require hardware device for detection, RCPA in BTS detects trouble or alarm of device managed by it, repons it to SCPA, and SCPA reports it to upper processor along with necessary measures. Trouble by hardware is detected through BAMA block in SCPA for management. 5) Test As tor channel element (in particular, Trallic Channel), by periodically testing available resources on—Iine, it increases reliability oi resources. Depending on the result at the test, it iudges whether to continuously use it as call resources, A test at the request ol operator is also enabled. CE related tests include one that tests CE's WW and one that uses BTS Markov Call, 7) Overload control According to the load ol the processor, it IS divided into Normal, Minor, Major. Critical, and depending on corresponding grade. it takes necessary measures such as originating call barring, terminating cal barring. 8) Statistics and measurement It gathers and reports various statistics (cal statistics, process statistics, paging statistics, CE(Channel Element) statistics, BTS performance statistics, CAl(common Air lntedace) statistics, etc) Statistics is basically gathered hourly. reported to BSM. and as occasion demands, it can be measured by inputting the time and cycle that operator wants. 9) Remote Control lt isolates or resets rectifier power, processor or device When on BSM, operator gave isolation (or Reset) command, SCPA, by receiving it, picks out the subject (BAMA or RCPA) that actually pertorms isolation (or Reset), and transfers message to corresponding isolation (or Reset) subject tor isolation (or Reset), LG/C Proprielary 1 1 10) Inventory lunction _ _ _ _ Its purpose is to manage the history oi each board. lt manages the history of specific board and specific BTS (CN application, repair history, or special notes). 32 WW configuration anfl function 3.2.1 HNlI configuration diagram Export Pico—Cell BTS m Environment Body Mount Ac Box Devlce Module 7 SCPA ACU-E HPAU-DC Ill/External A no“ FA" DFEU non HEATER 7 BUDA-DP acne MGPS/ arm 3.2.2 Function by HM! Unit 3.2.21 SCPA ( System Control Processor Board Assembly) A. Architecture and function at ECP 1) Function 0! ECP(Enhanced Control Processor) As Master Processor of 980, It manages each board ol BTS, takes charge ol call control of MS and reports it to upper processor. 2) Configuration 0! ECP ECP uses MCBBOBO ol Motorola as processor and IS configured by using 32MByte main memory, 128K Booter EPROM, SRAM and 4M Flash. It uses 33Mhz operation clock. And, mtertace between peripheral and interrupt management and communication port pertorms the same function as usrng 2 MFPs by usrng I MFL ASIC. ECP has one slave node of Packet Bus, LGIC Proprietary 12Configuration of ECP B. Architecture and Function of NMP 1) Function oi NMP( Network Master Processor) NMP has the lunction of managing the network between upper 830 and BTS. It manages and controls Tmnk Line, And, it directly pertorms alarm gathering lunction and remote reset function that monitors the state of HTS. 2) Configuration of NMP NMP uses MCGBSGO 0! Motorola and is configured with 4Mbyte main memory. It uses 25Mhz operation clock and has 512Kbyte Booter Flash and Application Flash. NMP has one slave node of Packet Bus, and upon initial Power On, it reads Network Address from EPROM at Back Board and sets Packet Bust Besides, it manages the state at the node of Packet Bus and manages the state 0! Trunk. (fig 3) Constitution of NMP C. Packet BUS 1) Function 01 Packet Bus Packet BUS has Full Duplex Tx Mode, and depending on the flow of data. it IS called FtX Bus, TX Bus, and IS 8 bit parallel data bus. RX Bus has check, Move and 5 Nodes and TX Bus has Check. Move Check and B Nodes. Each node is composed oi TAXI, R542. and FIFO. And, it has U-Turn Node between RX Bus and TX Bus. 2) Configuration Configuration elements : Bus Master, Bus Slave, Data Width : SBit Frame Check Method : TAG Method LGIC Proprietary 13 Trunk 2 HDLC Link RCPA 2 TAXI BTMA 1 HDLC Link 030 Slave 1 Data FIFO 360 Slave 1 Data FIFO U-Turn 2 Data FIFO Daisy Chain 1 HDLC Link Frame Stan Frame B0dy(Va1id) o-no Frame End(Even Lengih) Frame Stan(0dd Length) LG/C Proprietary 14 D. Trunk VF 1) Function It connects 830 with BTS and has the function at maintaining Trunk Liner Depending on operator's request. it can selectively use E1/T1 Moder it not only has the interface lunction with higher 880, but also it has Daisy Function that interfaces lower BTS with higher 830. It can interface 3 Trunk Lines, uses higher processor and 2 Nodes and one is used lor Daisy. 2) Conliguralion Tx speed : 1.544Mbps(T1)/2.048Mbps(E1) x 50ppm Impedance: 100 Q(T1) I 120 Q(E1) a: 10 % Type ol Pseudo Sync Frame - Normal Sync Frame : - Block Sync Frame : Pseudo Sync Frame Tx Cycle ‘ 20msec No of Trunk: Zea Daisy Chain : 1ea LGIC Proprietary 15 |« mum J? “1th '!\ Rms REFILR I‘CllDLT' K\ ng I’CIIOUTQ PCMINA P611“ |\ M x ml m Mu) x m. - T\ TIP I xnhrrmurc of mm l/F Ev Maintenance Bus (M»BUS) 1) Funcnon of M . Loop Back Path exists to check own function ot SCPA to check the state oi up to RS-422 Driver Edger LGIC Proprietary 17 3.2.22 BTMAIMGPS (BTS Timing Reference Block) BTMANGPS is equipped to P-BTS. and is composed oi MGPS made 01 BTMA and GPS engine, Power supply, OCXO, and Controller that provide synchronization and clock as to BTS by using TOD and synchronization signal provided from MGPS receiver. (1) BTMA (BTS Timing Management circuit board Assembly) BTMA receives 10MHZ(TI'L), 1PPS(‘I‘I‘L) and TOD(T|me of Day) from MGPS and TOD broadcasts it by using IPC link. Signals between MGPS and BTMA are all connected through backplane. and BTMA uses on-board power supply. Block diagram and main lunction oi BTMA are as lollows: Am.» mum u "mm mu mm IE ml Flnh Mum-y mm mm mm. um“. nous-Anni) m ovwmmr I run r. m. I w. l Mmuv at...” at“! my lwn‘ a“ m“. (svt,cw(vm,sscr .—i BTMA Block Diagram Main Function O Clock Generation - SVS,CLOCK/EVEN,SEC - p-ECL Interface ' GPS interlace - TOD/ConlroI/Alarm / 1PPS / 10MHZ - TTL Inledace 0 MBUS interface - Power On/Ofl - HS485 lntedace 0 IPC LGIC Proprietary 18 - Interface using NIM2 ASlC - FtS422 Serial Interlace Interface interlace between BTMA and MGPS is as follows: O Clock Interlace : Providing 1PPS, 10Mhz (trorn MGPS) O TOD, Control Tl’L Interface : Provided to BTMA through back plane. 0 Alarm Interface : lt receives GPS related HNV Alann(Open / Power tail I Function tail) lrom MGPS And provides it to BAMA block. (2) MGPS(Mioro BTS's Global Positioning System) MGPS provides 10MhZ(T|'L), lPPSflTL) and TOD(Time of Day - TTL) to BTMA. All signals between MGPS and BTMA are connected through backplane, and uses its own on-board power supply. Block diagram and main function of MGPS are as follows: MGPS provides the following function by using time information received lrom GPS satellite. 0 10Mhz. 1PPS, TOD Generation 0 Control pon, Alarm Interface 0 Redundancy Control 0 Fault supervision MGPS has External lnteriace inputted and outputted by using backplane and internal interlaoe by using connection between MGPS and BTMA. 0 External lnterlace - 10Mhz(sine wave-50 ohm~SMB) 3 port - 1PPS(TTL,50 ohm-SMB) 1 port - TOD(Ft82320-9 pin D-sub) 1 port 4 ControI(R82320-9 pin D-sub) 1 port - ANT(TNC Female) 2 port » PWR --- 2 port 0 Internal Interface - 10Mhz(TTL-50 ohm) 2 port - 1PPS(TTL,50 ohm) 2 port - TOD(‘I'l’L,50 ohm) 1 port - ControICI'l'L,50 ohm) 1 port Eu _.4 worn;,. ”awe: _.,~‘ V ‘ J u ———l~ J- .” i l fi“: PGPS Block Dinar-m LGIC Proprietary 19 3.2.2.3 RCPAtRadio 8. Channel Processing board Assembly) RCPA plays a role In Base-band Digital Combining of forward link, Parity Check and Generation ol reverse link' Timing and reference frequency distribution of Digital Shelf and RF Device Control. FtCPA has Core Control ModulelCCM) that interfaces with CPU(i960) and is composed of ESCC in charge of Monitor interface through RS-232, Memory Controller in control of Memory, HDLC in charge at board duplication, and Peripheral Controller in charge of interface of Peripheral Devnce in the Board. 6 CSM(CeII Site Modem) ASICs or ECM ASIC Control that correspond to each CDMA Code Channel are related. Block diagram and main function of FtCPA are as follows: a a W OMANNE‘ s Smut Modu- WOC‘SSW A Mmflm Volt A moat-417 A ”5mm, : mm m lmcleNG DMA? g cmnol ri 12:15 > my am > , we ga‘f k? w” WM _ if? mm —’ msmo sue-um mum- um.» vvvv cpu Bus y yo eus RCPA Block Diagram 0 Core Control Module (COM) - Interrupt Control » DMA Control ~ Timer - Control pon O ESCC - RS-232 Monitor Interface I Memory Controller - Dram, Cache HAM, Tag RAM Control - Cache Mode Control between Cache RAM and DRAM - Flash Memory Control 0 HDLC - NlM2- Board Duplex LG/C Proprietary 20 0 Peripheral Controller - CSM(CeII Site Modem) ASIC or ECM ASIC — Modem Chip - CDM - CDMA Date interlace Control - SDM — Sell states Detecting Module (Open/Fail) - Packet Interface with PIM - MCPA » STM — System Timing - HPA — SIO HPA Interface ~ SlM — BUDA, PACA function lnterlace 3.22.4. MCPAlMuIti—Channel Processing board Assembly) MCPA is in charge ol overhead channel (Pilot, Sync, Paging. Access channel) and a maximum 01 20 Traffic Channels of CDMA code channels, and MCPA has Core Control Module(CCM) that interfaces with CPU(i960), composed ol ESCC in charge of Monitor interface through IRS-232, Memory Controller in control of Memory. and Peripheral Controller in charge ol the interlace ot Peripheral Device in the board. 20 CSM(CeII Site Modem) ASICs or ECM ASIC Control that correspond to each CDMA Code Channel are related. Block diagram and main function of MCPA are as lollows: ans 5 m mm cmm meson {Sawdzfi‘n ‘W “W” amm- _ UNCLUDWG m1 + Cannot CPU aus no BUS Blcana/w War/ace MCPA Block Diagram Main configuration of MCPA is as tollows: 0 Core Control Module (CCM) - interrupt Control ~ DMA Control - Timer - Control port LGIC Proprietary 21 0 E500 RS~232 Monitor lntertaoe 0 Memory Controller - Dram , Cache RAM, Tag RAM Control - Cache Mode Control between Cache RAM and DRAM » Flash Memory Control 0 Peripheral Controller - CSM(CeII Site Modern) ASIC or ECM AStC » DTM - Timing 8. CDMA Date interface Control - PIM - Packet Interface with RCPA 3.2.25. BUDA»DP (Base station sector conversion & Up/Down converter Assembly) BUDA is largely divided into common part, Tx Path. and For Path. Block diagram and main lunction of BUDA are as lollows: “ BPath FtX R A .u @ wmmw % new IFAlI mm A) W4 8) m 1 g l mac-mm ” J A new MW," — M in), TX wfw u m fl M" WA 7: "‘ mum IKIFBLOCK ~4:)_? Ll “JLN m... iiiii vi v “m“ n Tllfl'm‘lm (it) BUDA—DP Block Diagram l l Mam lunction ol Tx/th Frequency UP Conversion Function that makes baseband signal into IF/ RF signal , RF signal output adjustment lunction by Sam Contra, — Tx AGC(Automattc Gain Control) lunction: Function of regularly maintaining the gain ol sending end so that the output ol sending end is regular th AGC(Automatic Gain Control) lunction FtSSI(Fteceived Signal Strength Indication) Monttorlunction - IQ Demodulator lunction LG/C Proprietary 22 » Tx output measurement function A. Transceiver Iunclion (Baseband Up Down Conversion Function) BUDA-DF' can be divided into Tx/th block Ior explanation. Tx part, by using HOT Link from RCPA, is subject to AID conversion at BUDDiBuda Digital Daughter board) and is, with analog signal, modulated into IF signal Irom IO modulator. This signal is given frequency up oonverswn at RF block and transmitted to HPA. Receiving end amplifies, with low noise, signal inputted Irom DFEU(Pico-oell Front End Unit) at RF block, and alter lrequency conversion into medium lrequency. it makes D/A Conversion ol signals that were inputted to to Demodulator block, transmitted to BUDD and convened into baseband Ior transmission oi signals to RCPA and MCF'A. In addition, status report of BUDA and PLL synthesizer frequency setting are processed by RCPA and digital interlace block. BA Power Monitor a Control Function Power measurement function, with BUDA-DF’ of 1FA/Omni built-in, converts final output signal oi Tx path into received signal strength indication (RSSI) voltage to provide the function oi monitoring the change in final Tx output level. The main Iunction is as Iollows: 0 Tx output reading 0 Temperature reading PLL Synthesizer pan generates local signal to receive Control Signal ol Decoding Circuit make Frequency Down Conversion ot RF signal into IF signal. Monitor module reports the current temperature of the board to RCPA. It receives linal Tx output signal Irom Front End, converts it into IF signal, separates signals only wanted and reports FtSSI voltage of wanted signal to RCPA. ‘ ix Pm i . ~ i tritium " 77.“ » w)! w . - Wm e EEPROM 9 PWR Monilering BLOCK 3.2.2.6 HPAU-DC(High Power Amplifier unit — Expon DCN Picocell BTS) HF'AU-DC is equipped to PlCO-CELL. and one HPAU-DC is needed per 1FA. Interface with RCPA uses RS~485 Protocol by Multi-Drop method. Other HNV alarm signal uses TTL level. HPAU-DC receives, from RCPA, Enable/Disable, Status Request. Version Request command for execution. and upon status request command, it reports the state 01 HPAU-DC. By using remote control signal sent Irom RCPA. it can restart HPAU-DC. HPAU-DC receives restan command Irom FlCPA tor restart. 3.2.2.7 DFEU (Plco»Cell Front-End Ior DCN Block ) DFEU is composed oi Duplexer or Rx BPF(Band Pass Fllter). Tx BPF(BAND Pass Fllteri. Tx Channel Filter, LNAlLow Noise Amplifier). Directional Coupler and Splitter. Main lunction and block diagram ol DFEU are as Iollows: L GIG Propn‘elaly 23 ”is,” E' 116115! .. Rx BPFiBand Pass Filter) oi Duplexer filters th signal oi necessary band only. Low Noise Amplifier (LNA) amplifies Rx signal to appropriate signal and then supplies th signal to Rx terminal of BUDA by FA. I It transfers the state oi LNA to SCPA, D F E U ht m ._ ix Sample [7 i — PWR Monitor L a i l i ANT A TXF f l AYYQSlOr A (ix/RM) RXA ouri zw A LNA HXF »A ixA OU12 SP - - RXA RXF .B - Arresiar ‘N' a Sample - iRXB) Rxa oun zw ' RXE OUTZ SP L NA axe Sample < DFEU Block Diagram> 3.2.2.8. AC Distribution Box AC input power was so composed as to selectively adopt single»phase 2»wire 220V and aphase 4-wire 380V supplied Imm commercial power. Rated capacity of P-BTS is AC 220V, 18A, GOHZ, 4000W, and it maximizes electronic wave shielding effect cluel to AC power through EMI Noise Filter at the input part at the distribution box. (1) Configuration The distribution box is composed of iea of main breaker in charge of breaking the input of commercial power and Sea oi auxiliary breakers tor the supply oi power to other auxiliary devices such as 3ea ol Surge Protector with protective iunction as to surge input. a rectifier lor the supply 0! P-BTS power, etc. And, ground terminal and power common terminal are additionally comprised oi. (2) Specifications ‘Breaker :Type—) MCBCGON Impact . "9m Ampere (A) Voltageiv) withstandin 5:22? gu'qbf' °‘ 9 voltage p y 9° 3 Mam Distnbution breaker box 63 A 220/380 V 5 KV S KA 1 Auxiliary . . breaker Rectliier 40 A 220 V 6 KV 6 KA 1 LGIC Proprietary 24 Navigation ’ light 20 A 220 V 6 KV 6 KA 1 Supplementa ry device 10 A 220 V 6 KV G KA 1 Surge Protector : Type —) FLT 60-400 Impact , . . Insulation . . Item Voltage used yétlhiindlng resistance Breaking capacrty Lightning 440V 29 KV I Current Arrester SO/SOHz (+25%l—45%) > WM“ 100KA (3) Operation principals and operation The distribution box supplies commercial power single-phase 220V inputted through Noise Filter and 3 lines are inputted, ie, 2 power lines and 1 ground line. One 0! the power line is connected to the main breaker and the other is connected to input common terminal and Ground Line is connected to Ground Terminal. Main breaker performs the function of making and breaking commercial power and the lunction of distributing power to system rectifier and incidental device and power through main breaker is parallel connected to protector tor preventing surge and auxiliary breaker that is connected to rectifier, fluorescent light, outlet, etc. to supply AC power Auxiliary breaker periorms the iunction of making and breaking power inputted to rectifier, etc. and with power supplied from main breaker and power through input common terminal, it supplies power to each incidental device, LGIC Propn'elary 25 3.3 S/W Configuration Diagram STAREX-800 SIW Unit EMCS ] I RCCS EMC RMM — ECC — RDM — ERM W EHC MCM — ETC RDC —TM“ Tum— W RP! EOM RPM EDN —W —T PCC “TN—— —TCE— EFA KNL EMS ETM LGIC Pmprierary 26 4. Abbreviations PCDC : PicoCelI lor DCN Cabinet PCDB : PicoCelI lor DCN Backboard SCPA : System Control Processor board Assembly BAMA : BTS Alarm collection a Maintenance board Assembly LlCD : Line Interface Control Daughter board BTMA : BTS Timing Management Unit. MGPS : Micro BTS's Global Positioning System MCPA : Mum-Channel Processing board Assembly RCPA : Radio 5 Channel Processing board Assembly BUDA-DP : Base station sector conversion & Up/Down converter Assembly — DCN PicoCeIl PACA : Power Adjust and Control Assembly. HPAU»DC : HPA Unit — Expon DCN Picocell BTS ACU-E 1 Access Control Unit — Expon DON Picocell BTS DFEU : Pica-Cell BTS Front End Unit PSOP-E : Power Supply lor DCN Pica-cell BTS LGIC Proprietary 27
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