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1 Overview of the Hardware

M900/M1800 BTS3X Series Base Transceiver Station

Hardware Description Manual

1-4

Huawei Technologies Proprietary

Issue 01 (2006-11-18)

1.2.2 Outdoor Base Station

shows the hardware structure of the BTS3006A/BTS3012A.

Table 1-2

Hardware structure of the BTS3006A/BTS3012A

Equipment Components

Antenna
system

A BTS antenna system and a GPS antenna system
The BTS antenna system is mandatory and the GPS antenna system is
optional.

Auxiliary
equipment

Transmission equipment, power lightning-protection filter box, AC/DC
units, the transmission supply unit (TSU), storage battery, temperature
control unit , environment monitoring unit, sensors, and air-condition or
heat exchanger.
According to specific configuration of a site, the auxiliary equipment is
optional.

Cabinet Cabinet

Boards
inside the
cabinet

For example, the timing/transmission and management unit (TMU), the
transceiver unit (TRX), and the combiner and divider unit (CDU)

Cables

Fibers, trunk transmission cables, signal cables, power cables, monitoring
cables, alarm cables, and sensor cables

This manual describes the cabinet and boards inside the cabinet. For antenna system, refer to the

M900/M1800 BTS3X Series Base Transceiver Station Installation Manual - Antenna Feeder Installation

.

For cables, refer to the "Installing Cables" in the

M900/M1800 BTS3X Series Base Transceiver Station

Installation Manual - Cabinet Installation

.

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Summary of Contents for BTS3 Series

Page 1: ...or Base Station 1 4 2 Cabinet 2 1 2 1 Cabinet Configuration 2 2 2 1 1 BTS30 2 2 2 1 2 BTS312 2 3 2 1 3 BTS3006A 2 4 2 1 4 BTS3012A 2 6 2 2 Functional Subsystem 2 7 2 2 1 Overview 2 7 2 2 2 Common Subsystem 2 9 2 2 3 Signal Processing Subsystem 2 11 2 2 4 Antenna Feeder Subsystem 2 12 2 3 Technical Specifications 2 13 2 3 1 Dimension 2 13 2 3 2 Weight 2 13 2 3 3 Power Supply 2 13 2 3 4 Power Consum...

Page 2: ...nciple 3 23 3 6 3 Front Panel 3 24 3 6 4 Rear Panel 3 26 3 7 ESCU 3 28 3 7 1 Functions 3 28 3 7 2 Panel 3 29 3 8 FMU 3 30 3 8 1 Functions 3 30 3 8 2 DIP Switch 3 30 3 9 MDU 3 31 3 9 1 Structure and Principle 3 31 3 9 2 Panel 3 32 3 10 O2TCB 3 34 3 10 1 Functions 3 34 3 10 2 DIP Switch 3 34 3 11 PBU 3 37 3 11 1 Functions 3 37 3 11 2 Structure and Principle 3 37 3 11 3 Panel 3 39 3 12 PMU 3 41 3 12 ...

Page 3: ...e and Principle 3 55 3 18 3 Panel 3 56 3 19 ASU 3 58 3 19 1 Functions 3 58 3 19 2 Panel 3 58 3 19 3 Jumper and DIP Switch 3 61 3 20 PAT 3 64 3 20 1 Functions 3 64 3 20 2 Panel 3 64 3 20 3 Jumper and DIP Switch 3 66 3 21 TMU 3 68 3 21 1 Functions 3 68 3 21 2 Structure and Principle 3 68 3 21 3 Panel 3 70 3 21 4 DIP Switch 3 73 3 21 5 Difference between REV B and REV C 3 76 3 22 TRB 3 76 3 22 1 DIP ...

Page 4: ... the common subsystem in the BTS30 312 2 10 Figure 2 7 Common subsystem of the BTS3012A BTS3006A 2 10 Figure 2 8 Position of the signal processing subsystem 2 11 Figure 2 9 Position of the antenna feeder subsystem in the BTS system 2 12 Figure 3 1 ABB working principle 3 3 Figure 3 2 ABB Panel 3 4 Figure 3 3 ABB layout 3 5 Figure 3 4 CDU structure 3 7 Figure 3 5 CDU front panel 3 8 Figure 3 6 CDU ...

Page 5: ...l 3 40 Figure 3 28 PMU panel 3 42 Figure 3 29 PSU panel 3 44 Figure 3 30 PWB layout of the BTS30 3 45 Figure 3 31 PWB layout of the BTS312 and the BTS3012A 3 45 Figure 3 32 PWB layout of the BTS3006A 3 46 Figure 3 33 SCU functional structure 3 47 Figure 3 34 SCU panel 3 48 Figure 3 35 TCU panel 3 49 Figure 3 36 TCU layout 3 50 Figure 3 37 TDU layout 3 52 Figure 3 38 TES functional structure 3 56 F...

Page 6: ...006 11 18 Huawei Technologies Proprietary vii Figure 3 49 TMU DIP switches 3 74 Figure 3 50 TRB layout of the BTS30 and the BTS3006A 3 77 Figure 3 51 TRB layout of the BTS312 and the BTS3012A 3 79 Figure 3 52 TRB layout REV 0 3 80 Figure 3 53 TRX logical structure 3 81 Figure 3 54 TRX panel 3 84 ...

Page 7: ...3 Functions of ABB DIP switch S2 3 5 Table 3 4 CDU indicators 3 8 Table 3 5 CDU ports 3 9 Table 3 6 Mapping between the knob setting and current strength of the TMA type B 3 11 Table 3 7 Mapping between the knob setting and current strength of the TMA type C 3 12 Table 3 8 Mapping between the switch setting and the current strength of the TMA type D 3 13 Table 3 9 CMB DIP switch description 3 15 T...

Page 8: ...ble 3 31 ASU indicators 3 59 Table 3 32 RUN ASU indicator information 3 60 Table 3 33 ASU ports 3 60 Table 3 34 ASU DIP switches and jumpers 3 61 Table 3 35 Tributary related DIP switches and jumpers 3 63 Table 3 36 PAT indicators 3 65 Table 3 37 PAT ports 3 66 Table 3 38 PAT DIP switches and jumpers 3 67 Table 3 39 TMU indicators 3 71 Table 3 40 TMU ports 3 72 Table 3 41 Mapping of S9 setting and...

Page 9: ...01 2006 11 18 Huawei Technologies Proprietary 1 1 1 Overview of the Hardware About This Chapter The following table lists the contents of this chapter Title Description 1 1 Hardware Structure Describes the hardware structure of the BTS3X series 1 2 Hardware Description Describes the hardware of the BTS3X series ...

Page 10: ... 1 shows the hardware structure of the BTS30 BTS312 Figure 1 1 Hardware structure of the BTS30 BTS312 Indoor cabinet BTS30 BTS312 Bias Tee DDF Boolean value Power Jumper Antenna Feeder Jumper Antenna system Power cable E1 trunk cable Fiber Signal cable TMA Feeder window Optical transmission equipment 1 1 2 Outdoor Base Station The BTS3006A BTS3012A consists of cabinets boards inside the cabinet ca...

Page 11: ... BTS3006A BTS3012A 1 2 Hardware Description 1 2 1 Indoor Base Station Table 1 1 shows the hardware structure of the BTS30 BTS312 Table 1 1 Hardware structure of the BTS30 BTS312 Equipment Components Equipment of the antenna system Antenna feeder jumper feeder window and Tower Mounted Amplifier TMA The TMA is optional Cabinet Cabinet Boards inside the cabinet For example the timing transmission and...

Page 12: ...attery temperature control unit environment monitoring unit sensors and air condition or heat exchanger According to specific configuration of a site the auxiliary equipment is optional Cabinet Cabinet Boards inside the cabinet For example the timing transmission and management unit TMU the transceiver unit TRX and the combiner and divider unit CDU Cables Fibers trunk transmission cables signal ca...

Page 13: ...e lists the contents of this chapter Title Description 2 1 Cabinet Configuration Describes the cabinet configuration of the BTS3X 2 2 Functional Subsystem Describes the common subsystem signal processing subsystem and antenna feeder subsystem 2 3 Technical Specifications Describes the technical specifications of the BTS3X cabinet such as dimension weight power supply and power consumption ...

Page 14: ... the BTS312 the BTS3006A and the BTS3012A The BTS3X uses modular RF structure It can be configured flexibly in practice 2 1 1 BTS30 Figure 2 1shows the typical configuration of the BTS30 The full configuration of the BTS30 is as follows Three CDUs Six TRXs Four power supply units PSUs One power monitor unit PMU Two timing transmission and management units TMUs One transmission extension power supp...

Page 15: ...1 Typical configuration of the BTS30 T M U T M U T E S T E U P S U P S U P S U P S U P M U C D U C D U C D U T R X T R X T R X T R X T R X T R X 开关 Fan Switch Box Air Inlet 2 1 2 BTS312 Figure 2 2 shows the typical configuration of the BTS312 The full configuration of the BTS312 is as follows Six CDUs 12 TRXs Six PSUs One PMU Two TMUs One TES Two TEUs ...

Page 16: ... Trough Fan Fan Fan T R X T R X T R X T R X C D U C D U T R X T R X T R X T R X T R X T R X C D U C D U U T R X T R X T R X T R X T R X T R X C D U C D U Air Inlet P S U P S U P M U P S U P S U P S U P S U T M U T M U T E S T E U T E U 2 1 3 BTS3006A Figure 2 3 shows the typical configuration of the BTS3006A The configuration of the BTS312 can be as follows Three CDUs Six TRXs Five PSUs One PMU On...

Page 17: ...A T S U E M U A C D U 0 C D U 1 C D U 2 T R X T R X T R X T R X T R X T R X PMU PSU 0 PSU 1 2 3 4 T C U T M U A B B Air inlet E M U S P D PE Transmission device subrack Switch box Cable inlet Cable inlet Fan distribution subrack AC power Fuse AC lightning protection subrack E1 lightning protection subrack PSU PSU PSU AC power distribution subrack maintenance transf er board The BTS3006A can also b...

Page 18: ...012A Figure 2 5 shows the typical configuration of the BTS3006A The full configuration of the BTS3012A is as follows Six CDUs 12 TRXs Six PSUs One PMU One TCU One TMU One ABB Two TEUs Some auxiliary equipment including the transmission equipment the power lightning protection filter box that is at the back of the cabinet the AC DC power distribution box the EMUA the TSU and the built in storage ba...

Page 19: ...n subrack AC power distribution subrack DC power distribution subrack Battery Cabin T C U T M U A B B FAN FAN Cable Inlet Cable Inlet Switch Box P M U P S U P S U P S U P S U P S U Transmission device subrack The BTS3012A can also be configured with a large capacity extended storage battery cabinet The cabinet can hold 12 or 24 batteries with nominal voltage of 2 V Figure 2 4 shows the appearance ...

Page 20: ...th the TMU PSU Provides the system with DC power supply PMU Manages the power supply and collects alarms FMU Manages and controls the fan in the fan box to ensure good heat dissipation of the BTS EMU Monitors the environment inside the cabinet and collects alarm information EMUA Monitors the environment outside the cabinet and collects alarm information Common Subsystem SPD Protect the power suppl...

Page 21: ...CU is a signal port of the ESCU supports the maximum input power of 100 W but the SCU support the maximum input power of 60 W Antenna Receives and sends signals Feeder Transmit signals from the antenna to the cabinet It can decrease the transmission attenuation Lightning arrester for the antenna and feeder Prevents the lighting current inducted by the conductor inside the feeder cable from damagin...

Page 22: ...Subsystem Antenna Feeder Subsystem FHBUS BSC External Alarm TMA CBUS TBUS DBUS The system structure of the BTS3012A and the BTS3006A is similar to that of the BTS30 312 They differ only in the structure of common subsystem Figure 2 7 shows the logical structure of common subsystem when an ABB is configured The BTS3012A and the BTS3006A can be configured with the ABB but cannot be configured with t...

Page 23: ...g and managing power Providing multiple built in transmission ports 2 2 3 Signal Processing Subsystem Position in the System Figure 2 8 shows the position of the signal processing subsystem Figure 2 8 Position of the signal processing subsystem Fiber Optional TDU TMU TRX PSU TEU TES PMU FMU TMA TRX PBU TRX CDU CDU ECDU TMA TMA TMA TMA E1 Common Subsystem Signal Processing Subsystem Antenna Feeder ...

Page 24: ...gure 2 9 Position of the antenna feeder subsystem in the BTS system Fiber Optional TDU TMU TRX PSU TEU TES PMU FMU TMA TRX PBU TRX CDU CDU ECDU TMA TMA TMA TMA E1 Common Subsystem Signal Processing Subsystem Antenna Feeder Subsystem FHBUS BSC External Alarm TMA CBUS TBUS DBUS Figure 2 9 shows the system structure of the BTS30 312 when the TEU and the TES are configured The BTS3012A and the BTS3006...

Page 25: ...ght Table 2 3 shows the weight of the BTS3X series Table 2 3 Weight of the BTS3X series BTS Type Weight BTS30 indoor Base Station 180 kg single cabinet in full configuration BTS312 indoor Base Station 330 kg single cabinet in full configuration BTS3006A outdoor Base Station 390 kg single cabinet in full configuration 285 kg assembly cabinet BTS3012A outdoor Base Station 650 kg single cabinet in fu...

Page 26: ... lines 2 3 4 Power Consumption Table 2 5 shows the power consumption of the BTS3X series Table 2 5 Power consumption of the BTS3X series BTS Type Power Consumption BTS30 Single cabinet in full configuration Typical power consumption 1200 W Maximum power consumption 1800 W BTS312 Single cabinet in full configuration Typical power consumption 2100 W Maximum power consumption 3500 W BTS3006A Single c...

Page 27: ...uawei Technologies Proprietary 3 1 3 Board About This Chapter The following table lists the contents of this chapter Title Description 3 1 Overview Lists all boards of the BTS3X 3 2 ABB to 3 23 TRX Describes detailed information about boards including their functions panels indicators ports and DIP switches ...

Page 28: ...le 3 1 BTS3X boards Board Name Full Name ABB Abis Bypass Board ASU Access network SDH transmission Unit CDU Combining and Distribution Unit CMB Common resource Backplane ECDU Enhanced Combining and Distribution Unit EDU Enhanced Duplexer Unit EMU Environment Monitor Unit EMUA Environment Monitor Unit A version number ESCU Enhanced Simple Combining Unit FMU Fan Monitor Unit MDU Multi Combining and ...

Page 29: ...charge of the BTS transmission trunk When power failure occurs at a certain level middle level of the BTS in the chain topology the ABB bypasses the Abis transmission line off this site and directly connects it to the downstream BTS In this way even if power failure occurs at a middle level site in the chain topology services of the downstream site are not affected For details see Figure 3 1 Figur...

Page 30: ...3 2 lists the indicators on the ABB panel and their meanings Table 3 2 Indicators on the ABB panel ID Color Meaning Indication PWR Green Power supply indicator ON ABB is powered on OFF ABB is powered off RUN Green Running status indicator ON for one second and OFF for one second ABB runs normally OFF ABB runs abnormally ALM Red Warning indicator OFF no alarm ON An alarm is generated ...

Page 31: ...witch Figure 3 3 shows the ABB layout Figure 3 3 ABB layout 1 2 3 4 ON S2 Table 3 3 lists the function of the DIP switch on the ABB Table 3 3 Functions of ABB DIP switch S2 Bit 1 Bit 2 Bit 3 Bit 4 Indication OFF OFF X X Not end site transmission terminal loopback not supported Default setting ON ON X X End site transmission terminal loopback supported ...

Page 32: ...eceiving signals Providing the TMA feeding The CDU uses the bridge combiner broadband combiner with 3 dB power loss to enable multiple transmitting signals and receiving signals to share the same antenna unit In practice the mode of transmitting 2 in 1 or receiving dual channel 1 into 4 or single channel 1 into 8 can be adopted In addition CDU also has a diversity receiving tributary The CDU suppo...

Page 33: ...DU reports a critical alarm and the indicator on the front panel is in ON status Then the transmitting signals are closed one minute later Low noise amplifier faulty alarm The fault signals are from the power supply current of low noise amplifier The alarm is generated when the current exceeds a certain range or no current is detected TMA alarm When the TMA works the CDU judges the working status ...

Page 34: ..._TEST TX RX_ANT RXD_ANT MS TX_TEST RXD_OUT HL_IN RX8 RX7 RX6 RX5 RXD_TEST HL_OUT RX4 RX3 RX2 POWER VSWR1 VSWR2 TTA LNA TX1 TX2 CDU_BUS DC IN 26V TX_COM TX_DUP CDU RX1 RXM_TEST The indicators and port labels on various CDU front panels have the same meanings Table 3 4 lists detailed information about indicators on CDU front panel Table 3 4 CDU indicators ID Color Meaning Indication POWER Green Powe...

Page 35: ... RXD ANT N Female RF signal diversity receiving antenna port RXD OUT SMA Female Diversity receiving output RX1 4 SMA The first RX divider output port 1 4 RXM TEST SMA Female Main receiving test port RX5 8 SMA Female The second RX divider output port 5 8 RXD TEST SMA Female Diversity receiving signal test port HL OUT SMA Female Main receiving high level output When connected to HL IN it can realize...

Page 36: ...nels are the following CDU type A CDU type B CDU type C CDU type D CDU Type E CDU type A Figure 3 6 shows the CDU type A rear panel Figure 3 6 CDU type A rear panel TTA M OFF FUSE TTA D ON TMA M TMA power feeding switch of main receiving channel 100 mA TMA D TMA power feeding switch of diversity receiving channel 100 mA FUSE fuse 2 A CDU type B Figure 3 7 shows the CDU type B rear panel ...

Page 37: ...eeding selection knob of diversity receiving channel FUSE fuse 2 A Two knobs shown in Figure 3 7 are used to control the current strength of the TMA power supply Table 3 6 shows the mapping between the knob setting and the TMA current Table 3 6 Mapping between the knob setting and current strength of the TMA type B Setting Main Diversity Unit 0 OFF OFF 1 100 65 mA 2 107 100 mA 3 205 205 mA Huawei ...

Page 38: ...MA power feeding selection knob of main receiving channel TMA D TMA power feeding selection knob of diversity receiving channel FUSE Fuse 2A Two knobs shown in Figure 3 8 are used to control the current strength of the TMA power supply Table 3 7 shows the mapping between the knob setting and the TMA current Table 3 7 Mapping between the knob setting and current strength of the TMA type C Setting T...

Page 39: ...ar panel OFF FUSE TTA D TTA D 1 2 3 TTA M TTA M 1 2 3 1 2 3 OFF OFF TTA D TTA D FUSE TMA M TMA power feeding switch of main receiving channel TMA D TMA power feeding switch of diversity receiving channel FUSE Fuse 2A Two 3 option switches shown in Figure 3 9 are used to control the current strength of the TMA power supply Table 3 8 shows the mapping between the switch setting and the TMA current T...

Page 40: ...A and 200 mA respectively CDU Type E Figure 3 10 shows the CDU type E rear panel Figure 3 10 CDU type E rear panel FUSE TTA M OFF ON TTA D ON OFF TMA M TMA power feeding switch of main receiving channel 100 mA TMA D TMA power feeding switch of diversity receiving channel 100 mA FUSE fuse 2 A 3 4 CMB The hardware version of the CMB described in this section is REV 0 Figure 3 11 shows the CMB layout...

Page 41: ...less necessary The CMB is the backplane of common resource frame Its DIP switch is behind the TMU It can be seen after the TMU is removed Table 3 9 lists functions of DIP switches on the CMB Table 3 9 CMB DIP switch description DIP Switch DIP Bit Function Setting Method S1 4 Define cabinet number 0 7 OFF 1 ON 0 The binary bits are used to indicate the cabinet number Bit 1 is MSB high bit Bit 4 is ...

Page 42: ...4 CBUS3 pull up down resistor ON indicates that the pull up down resistor exists On the primary cabinets they are set ON and on other cabinets they are set OFF S5 4 Indicates product feature number BTS30 0000 BTS312 0001 BTS30A 0010 OFF 1 ON 0 The binary bits are used to indicate the cabinet number Bit 1 is MSB high bit Bit 4 is LSB low bit For the BTS312 the DIP switch setting is as follows Bit 1...

Page 43: ...nt panels Figure 3 13 ECDU front panel TX RX_ANT RXD_ANT MS TX_TEST RXD_TEST POWER VSWR1 VSWR2 TTA LNA TX1 TX2 CDU_BUS DC IN 26V TX_DUP TX_COM ECDU RXD_OUT HL_IN RX8 RX7 RX6 RX5 HL_OUT RX4 RX3 RX2 RX1 RXM_TEST TX RX_ANT RXD_ANT MS TX_TEST RXD _TEST POWER VSWR1 VSWR2 TTA LNA TX1 TX2 CDU_BUS DC IN 26V TX_DUP TX_COM ECDU RXD_OUT HL_IN RX8 RX7 RX6 RX5 HL_OUT RX4 RX3 RX2 RX1 RXM _TEST TX RX_ANT RXD_ANT...

Page 44: ... Tower amplifier warning indicator OFF No alarm ON TMA alarm LNA Red LNA warning indicator OFF No alarm ON LNA alarm Table 3 11 lists detailed information about ports on ECDU front panel Table 3 11 ECDU ports ID Connector Type Function TX RX ANT N Female RF signal transmitting receiving antenna port MS TX TEST SMA Female Transmitting receiving test port TX1 N Female The first transmitting signal i...

Page 45: ... connected to HL IN it can realize 1 to 8 output HL IN SMA Female High level input RX5 8 input TX COM N Female Combiner output TX DUP N Female Duplexer TX input CDU BUS DB15 Control bus port DC IN DC power input 26 V DC input allowed voltage fluctuation range 20 3 5 4 Rear Panel Multiple types of ECDU rear panels are the following ECDU type A ECDU type B ECDU Type C ECDU type A Figure 3 14 shows t...

Page 46: ...nologies Proprietary Issue 01 2006 11 18 Figure 3 14 ECDU type A rear panel TTA M OFF FUSE TTA D ON TMA M TMA power feeding switch of main receiving channel 100 mA TMA D TMA power feeding switch of diversity receiving channel 100 mA FUSE fuse 2A ECDU type B Figure 3 15 shows the ECDU type B rear panel ...

Page 47: ...eceiving channel FUSE fuse 2A The specification of the fuse on the ECDU Type B rear panel is 1 5 A Two knobs shown in Figure 3 15 are used to control the current strength of the TMA power supply Table 3 12 shows the mapping between the knob setting and the TMA current Table 3 12 Mapping between the knob setting and current strength of the TMA type B Setting MAIN DIVERSITY Unit 0 OFF OFF 1 100 65 m...

Page 48: ...2 3 4 5 6 7 8 9 A B C D E F TMA M Main receiving TMA knob TMA D Diversity receiving TMA knob FUSE Fuse 2A Two knobs shown in Figure 3 16 are used to control the current strength of the TMA power supply Table 3 13 shows the mapping between the knob setting and the TMA current Table 3 13 Mapping between the knob setting and current strength of the TMA type C Setting TMA M TMA D Unit 0 OFF OFF 1 100 ...

Page 49: ... Dividing of receiving signals for TRXs It also provides the TMA feeding Each TRX uses independent antenna The transmitting combiner is unnecessary The receiving mode is 1 into 2 The EDU supports the following frequency bands GSM900 GSM1800 GSM1900 The maximum input power of its single port is 100 W 3 6 2 Structure and Principle The EDU has multiple panel types but the structure and the principle ...

Page 50: ...rm Fault signals are from the power supply current of low noise amplifier The alarm is generated when the current exceeds a certain range or no current is detected TMA alarm When the TMA works the CDU judges the working status of the TMA according to its working current The alarm is generated when the current exceeds a certain range or no current is detected Control function The EDU performs power...

Page 51: ... 3 14 lists detailed information about indicators on EDU front panel Table 3 14 EDU indicators ID Color Meaning Indication POWER Green Power supply indicator ON EDU is powered on OFF EDU is powered off VSWRA Red Transmitting channel A VSWR alarm indicator OFF No alarm ON or flashing Transmitting channel B VSWR alarm VSWRB Red Transmitting channel B VSWR alarm indicator OFF No alarm ON or flashing ...

Page 52: ...eceiving test port B TXA N The first transmitting signal input maximum power 100W TXB N The second transmitting signal input maximum power 100W RXA1 SMA First divider output port of receiving channel A RXA2 SMA Second divider output port of receiving channel A RXB1 SMA First divider output port of receiving channel B RXB2 SMA Second divider output port of receiving channel B EDU BUS DB15 Control b...

Page 53: ...es Proprietary 3 27 EDU type A Figure 3 19 shows EDU type A rear panel Figure 3 19 EDU type A rear panel TTA A OFF FUSE TTA B ON TMA A TMA power feeding switch of receiving sub channel A 100 mA TMA B TMA power feeding switch of receiving sub channel B 100 mA FUSE Fuse 2 A EDU type B Figure 3 20 shows EDU type B rear panel ...

Page 54: ...tion of transmitted signals as well Differences between the ESCU and the SCU are the following Bands supported The band supported by the ESCU ranges from 921 MHz to 960 MHz 900 MHz ESCU and 1805 MHz to 1880 MHz 1800MHz ESCU The maximum input power supported at a single port The single port of the ESCU supports the maximum input power of 100 W The 900 MHz ESCU can be used with the 900 MHz CDU the E...

Page 55: ...16 lists detailed information about ports on ESCU panel Table 3 16 ESCU ports ID Connector Type Function TX1 N Female The first RF input signal maximum input power 100 W TX2 N Female The second RF input signal maximum input power 100 W TX3 N Female The third RF input signal maximum input power 100 W TX4 N Female The fourth RF input signal maximum input power 100 W TX COM N Female Output of the abo...

Page 56: ...n failure are stalled circuited and short circuited The symptom of these two cases is that the fan stops running The FMU monitors the speed of the fan to decide the working status of the fan If the fan is faulty the alarm signals are sent to the PMU 3 8 2 DIP Switch Figure 3 22 shows the FMU layout Figure 3 22 FMU layout ON S1 4 3 2 1 FAN1 FAN2 FAN3 FAN4 J1 J8 J9 J10 J11 J6 J5 The FMU is applicabl...

Page 57: ... Table 3 17 lists functions of the DIP switch on the FMU Table 3 17 FMU DIP Switch DIP Switch DIP Bit Function Setting Method S1 4 Indication of the configuration of fan If the fan frame where the FMU is located is configured with a big fan the four bits of S1 are set as OFF If the fan frame where the FMU is located is configured with a small fan check which socket of FAN1 FAN4 is connected to a f...

Page 58: ... Proprietary Issue 01 2006 11 18 Figure 3 23 MDU functional structure Isolator Isolator Three decibel bridge Isolator Isolator Three decibel bridge Three decibel bridge Divider TX1 TX2 COM1 TX3 TX4 COM2 IN1 IN2 COM3 RX5 RX6 RX7 RX8 RX1 RX2 RX3 RX4 RXIN1 RXIN2 Divider 3 9 2 Panel Figure 3 24 show the MDU panel ...

Page 59: ...3 18 lists detailed information about ports on MDU panel Table 3 18 MDU ports ID Connector Type Function TX1 N Female The first transmitting signal input port maximum power 100 W TX2 N Female The second transmitting signal input port maximum power 100 W COM1 N Female Combiner output 1 IN1 N Female Combiner input 1 TX3 N Female The third transmitting signal input port maximum power 100 W TX4 N Fema...

Page 60: ...ackups of main and extension clocks are not supported Only 1PCS TMU is supported Functions of the O2TCB are as follows The TMU the ABB and the TCU are inserted into the O2TCB Their power and other signals are introduced from the O2TCB Supplying DIP switches for the software to identify types of cabinets Transferring the clock data and control signals of the TMU to the TRX the CDU the PMU the ABB a...

Page 61: ...gure 3 25 O2TCB layout S4 1 2 3 4 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 S2 S5 S3 ON ON ON ON ON S6 ON 1 2 3 4 S1 ON 1 2 3 4 S8 S7 8 7 6 5 4 3 2 1 ON DIP switch settings of the O2TCB are finished before delivery Therefore do not change the settings unless necessary Table 3 19 lists functions of DIP switches on the O2TCB ...

Page 62: ...guration selection All ON The ABB is configured All OFF The ABB is not configured S3 8 ABB configuration selection All ON The ABB is configured All OFF The ABB is not configured S4 8 ABB configuration selection All ON The ABB is configured All OFF The ABB is not configured S5 8 ABB configuration selection All ON The ABB is configured All OFF The ABB is not configured S6 4 Storage battery type sele...

Page 63: ...OFF 1 ON 0 The binary bits are used to indicate the cabinet number Bit 1 is MSB high bit Bit 4 is LSB low bit The primary cabinet number is 0000 All the four bits are set to ON The secondary cabinet number 1 is 0011 the DIP switch setting is Bit 1 OFF Bit 2 OFF Bit 3 ON Bit 4 ON The secondary cabinet Number 2 is 0110 the DIP switch setting is Bit 1 ON Bit 2 OFF Bit 3 OFF Bit 4 ON 3 11 PBU 3 11 1 F...

Page 64: ...ng of power signals are implemented by the network PA Synthesizing Module Under the control of alarm collection and management module the PA synthesizing module amplifies the TRX output signals It also provides PA control and alarm information positive input power and positive output power demodulation signals alarm signals over temperature standing wave alarm to alarm collection and management mo...

Page 65: ...sitive input power signals and positive output power detecting signals Receiving alarm signals including over temperature and standing wave alarms Detecting the PA function and controls the phase and range of the PA synthesized network Reporting alarms of low positive output power PA output standing wave and PA over temperature Power Supply Module This module provides the power supply signals for ...

Page 66: ...about indicators on the PBU panel Table 3 20 PBU indicators ID Color Meaning Indication PWR Green Power supply indicator ON PBU is powered on OFF PBU is powered off RUN Green Running status indicator ON for one second and OFF for one second PBU operates normally ON for two seconds and OFF for two seconds receiving TMU message or writing information to FLASH WARN Red Warning indicator ON PBU genera...

Page 67: ...s configured it is necessary to set the capacity of PMU battery to 0 that is the battery management function is not used The PMU monitors the following signals in real time Control variable signals Even float charging management and current limiting control of battery Control the switching of the protection load for batteries Boolean value signal AC mains signals and over under voltage signals 12 ...

Page 68: ...ble analog signal Cabinet internal temperature with a sensor ÿC Cabinet internal humidity with a sensor RH 3 12 2 Panel Figure 3 28 shows the PMU panel Figure 3 28 PMU panel PMU RUN ALM Table 3 22 lists detailed information about indicators on PMU panel Table 3 22 PMU indicators ID Color Meaning Indication ALM Red Warning indicator OFF PMU operates normally ON Monitoring module detects system faul...

Page 69: ...le The BTS3X supports multiple power input modes and the PSU is divided into AC DC unit and DC DC unit accordingly Different power supply modes can be configured for the BTS3X according to different power supply modules In 220 V AC power mode the AC DC unit is configured In 48 V DC power mode the DC DC unit is configured In 24 V DC power mode no PSU is required One PSU provides power supply for tw...

Page 70: ...SU ALM VIN V 0 DC DC Table 3 23 lists detailed information about indicators on PSU panel Table 3 23 PSU indicators ID Color Meaning Indication VIN Green Power input indicator ON Power input normal OFF Power input abnormal ALM Red Warning indicator ON PSU alarm OFF PSU operation normal VO Green Power output indicator ON Power output normal OFF Power output abnormal ...

Page 71: ...es Proprietary 3 45 3 14 PWB Figure 3 30 shows the PWB layout of the BTS30 Figure 3 30 PWB layout of the BTS30 ON 1 2 3 4 SWK For the BTS312 and the BTS3012A the PWB layout is the same as shown in Figure 3 31 Figure 3 31 PWB layout of the BTS312 and the BTS3012A ON SWK 1 2 3 4 Figure 3 32 shows the PWB layout of the BTS30 ...

Page 72: ...ess necessary The PWB is the backplane of common resource subrack Its DIP switch is behind the PSU It can be seen after the PSU is removed Table 3 24 lists the function of the DIP switch on PWB Table 3 24 PWB DIP switch DIP Switch DIP Bit Function Setting Method SWK 4 Indicates cabinet number 0 7 OFF 0 ON 1 The binary bits are used to indicate the cabinet number Bit 4 is MSB high bit Bit 1 is LSB ...

Page 73: ...he joint operation of the SCU and the CDU can realize the combining transmitting of multicarriers Then the number of CDU and the cost are reduced The SCU supports the following frequency bands GSM900 GSM1800 GSM1900 The maximum input power of its single port is 60 W 3 15 2 Structure and Principle Figure 3 33 shows the functional structure of the SCU Figure 3 33 SCU functional structure SCU Transmi...

Page 74: ...ailed Function TX1 N Female The first RF input signals maximum power 60 W TX2 N Female The second RF input signals maximum power 60 W TX3 N Female The third RF input signals maximum power 60 W TX4 N Female The fourth RF input signals maximum power 60 W TX COM N Female Output of the above four channels of RF signals after combination 3 16 TCU The hardware version of the TCU described in this sectio...

Page 75: ...l Figure 3 35 shows the TCU panel Figure 3 35 TCU panel TCU PWR ALM Table 3 26 lists detailed information about the indicators on the TCU panel Table 3 26 TCU indicators ID Color Meaning Detailed Indication PWR Green Power supply status indicator ON TCU is powered on OFF TCU is powered off ALM Red Warning indicator ON An alarm is generated OFF No alarm ...

Page 76: ...tting Bit 1 Bit 1 of DIP switch represents the matching setting of the combining control signals CBUS1 If bit 1 is set to ON it indicates matching setting If bit 1 is set to OFF it indicates unmatched setting If no cabinets are combined bit 1 must be set to OFF If two cabinets are combined bit 1 on both cabinets must be set to ON If three cabinets are combined bit 1 of the two DIP switches of the ...

Page 77: ... this cabinet can be enabled in the TCU If bit 4 is set to ON it indicates that the TMU clock is disabled in the TCU If bit 4 is set to OFF it indicates that the TMU clock can be enabled in the TCU If no cabinets are combined bit 4 must be set to ON All the bits of S7 on the TCB are set to ON This indicates that the TMU clock is directly sent to the TRX in this cabinet instead of entering the TCU ...

Page 78: ...U SREF 3 25 MHz OBCLK 2 16 MHz FCLK 216 7 Hz and FN and transfer them to each TRX in the cabinet and each unit in other cabinets The TDU also transfers other signals such as alarm signals In the BTS3006A and the BTS3012A the clock of extension cabinet is driven by the TCU For detailed information refer to the M900 M1800 BTS3012A Base Transceiver Station Technical Manual Auxiliary System 3 17 2 Pan...

Page 79: ...CKB2 if the BTS serves as a secondary cabinet the clock signals are led in from CKB1 and CKB2 DCF1 DB37 DCF2 DB37 Data signal port of combining cabinet The functions of DCF1 and DCF2 are the same DCF1 and DCF2 match both data combining 3 The connectors are used in the following cases a The BTS is installed on both ends of the clock bus b The BTS is single cabinet configuration In combining cabinet...

Page 80: ...port The functions of TRA1 and TRA2 are the same and so are the functions of TRB1 and TRB2 In optical transmission mode these ports can all be used to lead in the E1 signals converted at TEU The conversion slot corresponding to TEU0 is TRA1 and TRA2 and that corresponding to TEU1 is TRB1 and TRB2 TRA1 TRA2 TRB1 and TRB2 can be used to lead E1 signals to other cabinets When ABB or ABA is configured...

Page 81: ...d bit 2 of the DIP switch both as OFF and the indicator near the DIP switch is constant green Set bit 1 and bit 2 of the DIP switch both as ON the indicator near the DIP switch shall be constant off 3 18 TES 3 18 1 Functions The TES provides various working powers and communication transferences for the TEU The power supply provided includes 5 V DC 5 V DC and 75 V AC ringing current to ensure the ...

Page 82: ...it The DC DC conversion circuit converts the 24 V DC to 2 channels of 5 V DC power and 1 channel of 5 V DC power The DC AC conversion circuit converts the 24 V DC power to 1 channel of 75 V AC ringing signal Communication Module The communication module realizes the communication between the TES and the TMU and the communication between the TES and the TEU It also obtains the PCB version number of...

Page 83: ...0 lists detailed information about indicators on the TES panel Table 3 30 TES indicators ID Color Meaning Indication PWR Green Power supply indicator ON TES is powered on OFF TES is powered off RUN Green Running status indicator ON for one second and OFF for one second The TES operates normally OFF The TES operates abnormally ALM Red Warning indicator ON An alarm is generated OFF No alarm ...

Page 84: ...on devices It does not support the configuration of the ASU The ASU has the following functions Providing photoelectric conversion function Can be configured as a terminal mulitplexer TM add drop multiplexer ADM or regenerator REG according to topology demands Can be configured as a ring network chain network and point to point P2P network topology With OptiX 155 622H and OptiX 155 622B it can als...

Page 85: ...dicators on the ASU panel Table 3 31 ASU indicators ID Color Meaning Indication Normal Status RUN Green Yellow Red Running status indicator War ning indicator Green ASU runs normally Yellow Minor alarm Red Major alarm On For details see Table 3 32 ETN Green Ethernet indicator On There is network cable connected to NM computer Flashing NM transmits data via Ethernet port OFF There is no network cab...

Page 86: ... BIOS runs host software loaded Green 1 Long period Host software running Note 1 Red green alternating flash interval 1s optical fiber disconnected on eastward direction Note 2 Red yellow alternating flash interval 1s optical fiber disconnected on westward direction or both directions Table 3 33 lists detailed information about ports on the ASU panel Table 3 33 ASU ports ID Meaning Detailed Functi...

Page 87: ... SW4 SW3 ON 0 OFF 1 ON 8 7 6 5 4 3 2 1 4 3 2 1 H302ASU 1 2 3 4 ON SW111 1 2 3 4 ON SW101 1 2 3 4 ON SW112 1 2 3 4 ON SW102 1 2 3 4 ON SW115 1 2 3 4 ON SW105 1 2 3 4 ON SW116 1 2 3 4 ON SW106 SW117 SW107 1 2 3 4 ON 1 2 3 4 ON 1 2 3 4 ON SW118 1 2 3 4 ON SW108 1 2 3 4 ON SW113 1 2 3 4 ON SW103 1 2 3 4 ON SW114 1 2 3 4 ON SW104 J30 48V 24V J17 PROM CPU J3 J28 ON OFF 3 2 1 3 2 1 3 2 1 1 2 3 Table 3 34...

Page 88: ...l be lost after the board is powered off When short circuiting 1 2 the configuration information will be not lost after the board is powered off default setting Short circuiting 1 2 is recommended Short circuiting 1 2 J3 J3 is the jumper related to the loading for programmable logic components Please short circuit 1 2 Short circuiting 1 2 J17 J17 is the jumper related to the loading for programmab...

Page 89: ...FF SW111 4 ON SW101 3 OFF SW101 4 OFF SW111 3 OFF SW111 4 OFF 3 SW102 1 ON SW102 2 ON SW112 1 OFF SW112 2 ON SW102 1 OFF SW102 2 OFF SW112 1 OFF SW112 2 OFF 4 SW102 3 ON SW102 4 ON SW112 3 OFF SW112 4 ON SW102 3 OFF SW102 4 OFF SW112 3 OFF SW112 4 OFF 5 SW103 1 ON SW103 2 ON SW113 1 OFF SW113 2 ON SW103 1 OFF SW103 2 OFF SW113 1 OFF SW113 2 OFF 6 SW103 3 ON SW103 4 ON SW113 3 OFF SW113 4 ON SW103 ...

Page 90: ...dition to E1 transmission the BTS30 312 also provides the built in transmission system that supports external optical transmission ports such as the 155 MHz SDH optical port and PON optical port The PON transmission mode is realized with the PAT The PAT is a type of Huawei access network product The BTS3006A and the BTS3012A are configured with external optical transmission equipment They do not s...

Page 91: ...mation about indicators on the PAT panel Table 3 36 PAT indicators ID Color Name Meaning Flashing non periodically the board is performing self test ON for 250 ms and OFF for 250 ms downlink communication interrupted ON for 500 ms and OFF for 500 ms downlink communication normal uplink interrupted RUN Red CPU running status indicator ON for one second and OFF for one second uplink and downlink com...

Page 92: ...t of synchronized RUN OFF uplink E1 signals loss F0n Green No n tributary status indicator n 1 2 3 4 OFF RUN ON downlink justification synchronized RUN OFF uplink E1 signals normal Table 3 37 lists detailed information about ports on PAT panel Table 3 37 PAT ports ID Name Function OUT Westward optical port Uplink outgoing optical port IN Eastward optical port Downlink outgoing optical port RST Res...

Page 93: ...nction Default Setting S2 Board ID Bit 1 4 valid Bit 1 is the lowest Bit 4 is the highest binary ON 0 OFF 1 If all the four bits are 0 S2 indicates 16 Bit 5 8 invalid All OFF S3 ON Grounded Bit 1 The fourth E1 receiving port grounded Bit 2 The third E1 receiving port grounded Bit 3 The second E1 receiving port grounded Bit 4 The first E1 receiving port grounded Bit 5 The fourth E1 transmitting por...

Page 94: ...he TMU described in this section is REV C and for the previous version the introduction will be based on the description of REV C in this section 3 21 1 Functions The TMU is the entity in charge of the BTS timing transmission and management It has the following functions Supporting multi channel multiplexing which furthers the utilization of the limited transmission resources Supporting flexible t...

Page 95: ...lize the flexible configuration of timeslots Extracting clock signals from the upper level and support the input of external clock Outputs accurate clock through phase locking and frequency dividing Synchronizing data transmission of the internal bus Generating free run clock in case of no upper level clock available due to the failure of E1s or the BSC Synchronizing the data transmission of inter...

Page 96: ...ording to the system configuration the MCK can work in free run mode or software phase locking mode Through the frequency dividing of the reference clock it can output the reference clock SREF with the stability higher than 5 10 8 ppm and provides the frame clock FCLK 1 8 bit clock OBCLK and frame number FN etc The clock is the calendar and pulse of TDMA system Therefore its reliability is very cr...

Page 97: ...Table 3 39 lists detailed information about indicators on the TMU panel Table 3 39 TMU indicators ID Color Meaning Indication PWR Green Power supply indicator ON TMU is powered on OFF TMU is powered off RUN Green Running status indicator Flashing TMU runs normally ON or OFF TMU runs abnormally LI1 Green E1 indicator ON The first E1 generates local alarm Flashing The first E1 generates remote alarm...

Page 98: ...second TMU is the standby board ON OFF or flashing non periodically TMU is faulty PLL Green Phase discrimination indicator ON Clock is running in free run mode ON for 125 ms and OFF for 125 ms clock is running in trapping mode ON for 500 ms and OFF for 500 ms Clock is running in locking mode OFF The phase discrimination of clock is abnormal The local alarm is the receiving tributary alarm of trans...

Page 99: ...6 11 18 Huawei Technologies Proprietary 3 73 ID Meaning Port Type Function MMI Man machine port DB9 Port for the BTS local maintenance 3 21 4 DIP Switch Figure 3 48 shows the TMU layout Figure 3 48 TMU layout 1 2 3 4 S10 ON 1 2 3 4 S11 ON 1 2 3 4 S2 ON 1 2 3 4 S1 ON 1 2 3 4 S9 ON S6 1 2 3 4 S12 ON ...

Page 100: ...istance is 120 ohm Bit 1 and 2 control the resistance of the second E1 Bit 3 and 4 controls the resistance of the first E1 All ON S9 4 Bit 1 controls the first four E1 resistance settings ON The first to the forth E1 port resistance are 75 ohm OFF The first to the forth E1 port resistance are 120 ohm Bit 2 3 and 4 are used to indicate the timeslot number of the local OML in the case that BTS suppo...

Page 101: ...ion line not grounded All ON Table 3 41 shows the mapping between local OML timeslot and S9 setting when the BSS system adopts chain cascading topology In chain cascading topology the timeslots of the OMLs can only be selected from the five values in Table 3 41 Table 3 41 Mapping of S9 setting and OML timeslot Bit 2 Bit 3 Bit 4 OML Timeslot ON ON ON 31 ON ON OFF 30 ON OFF ON 29 ON OFF OFF 28 OFF O...

Page 102: ...supports remote software loading function TMU has boot software 3 21 5 Difference between REV B and REV C The TMU REV B and the TMU REV C have the same panels indicators and ports Differences in the board layout are listed as follows No S12 Bit 2 3 and 4 of S9 are for the deserved use and their setting can be ignored 3 22 TRB The hardware version of the TRB described in this section is REV A and f...

Page 103: ...ave already been finished before delivery Therefore do not change the settings unless necessary TRB as the transceiving unit backplane is in the TRX frame For the BTS30 or the BTS3006A the DIP switch on the TRB can only be seen after removing the TRX in the slot of TRX5 and for the BTS312 or the BTS3012A the TRXs in the first and the third slot of each frame should be removed Table 3 44 lists func...

Page 104: ...FF 1 ON 0 The binary bits are used to cabinet number ID6 is MSB high bit ID3 is LSB low bit If cabinet number is 5 0101 the DIP switch settings are as follows ID6 ON ID5 OFF ID4 ON ID3 OFF S2 4 Indicates cabinet number 0 7 OFF 1 ON 0 The binary bits are used to indicate the cabinet number F_ID3 is MSB high bit F_ID0 is LSB low bit If cabinet number is 5 0101 the DIP switch settings are as follows ...

Page 105: ... switches of the BTS312 and the BTS3012A DIP Switch DIP Bit Function Setting Method S1 S3 4 Indicates cabinet number 0 7 OFF 1 ON 0 The binary bits are used to indicate the cabinet number F_ID3 ID6 is MSB high bit F_ID0 ID3 is LSB low bit If cabinet number is 5 0101 the DIP switch settings are as follows F_ID3 ID6 ON F_ID2 ID5 OFF F_ID1 ID4 ON F_ID0 ID3 OFF S2 S4 4 Indicates frame number 0 3 OFF 1...

Page 106: ...e location of TRB various according to the type of the BTS BTS312 Frame 0 BTS3012A Frame 2 3 22 2 Differences between REV 0 and REV A Differences are as follows The function of S2 on REV 0 is the combination of S1 and S2 on REV A The function of S1 on REV 0 is the combination of S3 and S4 on REV A The function of S3 on REV 0 is the combination of S5 and S6 on REV A Figure 3 52 shows the REV 0 boar...

Page 107: ... TRX also receives various management and configuration information from TMU and reports its own status and alarm information to TMU The TRX supports multiple frequency bands including the GSM900 GSM1800 GSM1900 GSM850 EGSM and RGSM 3 23 2 Structure and Principle Figure 3 53 shows the functional structure of TRX including the baseband signals processing unit TBPU and the RF signal processing unit ...

Page 108: ... from SCP and implements the coding and decoding according to the relative protocol The downlink data are sent to RF signal processing unit RPU through the CUI The CUI is the port module between the DSP and the RPU It is used to realize the frequent hopping FH function of TRX The FH by the CUI can be decided in the system configuration Functions of the CUI are as follows If the system operates und...

Page 109: ... levels are Level 0 to 9 and the decrease step is 2 dBm The levels of dynamic power control are Level 0 to 15 and the decrease step is 2 dBm To lower the noise level in radio environment and improve network capacity and QoS it is necessary to lower the transmitting power of BTS as much as possible without harming the QoS so that each TCH is at the lowest dynamic power level and the transmitting po...

Page 110: ...of the TMU To ensure high reliability the clock bus operates in active and standby modes These clocks include frame clock 1 8 bit clock and FN The clock processing part of TRX first selects the active or standby clock and then generates the timeslot number and bit clock that are necessary for the TRX through frequency dividing counter 3 23 3 Panel Figure 3 54 shows the TRX panel Figure 3 54 TRX pa...

Page 111: ...atus indicator ON for one second and OFF for one second DSP runs normally ON for two seconds and OFF for two seconds EQDSP faulty ON for 250 ms and OFF for 250 ms DSP does not receive configuration information ON for 125 ms and OFF for 125 ms DSP clock alarm or equipment test software is running ON or OFF CHDSP faulty FAIL Red Warning indicator ON An alarm is generated OFF No alarm Table 3 47 list...

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