ore010101 cdma20001 bsc hardware 1.0
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7/27/2019 Ore010101 Cdma20001 Bsc Hardware 1.0
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HUAWEI TECHNOLOGIES CO., LTD. All rights reserved Page 2
Upon completion of this course, you will
be able to know:
The structure of Huawei BSC.
Functions of all boards in BSC.
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Chapter 1 Overview
Chapter 2 Subrack
Chapter 3 Subsystem
Chapter 4 Summary
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Chapter 1 Overview
1.1 Network Structure
1.2 BSC6600 Appearance
1.3 System Configuration
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Chapter 1 Overview
1.1 Network Structure
1.2 BSC6600 Appearance
1.3 System Configuration
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BSC6600 Appearance
CRPS
Power distribution box
2U
9U
2U
1U
1U
1U
2U
1U
1U
1U
KVM
CSWS
Cable trough
Fan box
Fan box
Dummy panel
Cable trough 1U
1U
1U
Air deflector
BAM
Cabling frame
CLKM
LAN Switch
2U
Air deflector
9U
B68-21 CCTR
1UCable trough
LAN Switch 1U
1ULAN Switch
1UCable troughLAN Switch 1U
CIPS/CPMS
Power distribution box
2U
9U
9U
2U
1U
1U
2U
1U
1U
CIPS/CPMS
Cable trough
Fan box
Fan box
Dummy panel
Cable trough 1U
1U
1U
Air deflector
Air deflector
9U
B68-21 CBUR
Cable trough
Fan box
CIPS/CPMS
CBUR(CDMA
BUsines
s Rack)
CCTR(CDMA
Controller
Rack)
BAM
CRPS
CSWS
CIPS/CPMS
CIPS/CPMS
CIPS/CPMS
BAM
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Chapter 1 Overview
1.1 Network Structure
1.2 BSC6600 Appearance
1.3 System Configuration
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System Configuration (Large Capacity)
CSWS
CRPS
CIMS
CIPS
CLKM
CPMS
BTS
MSC
NMS
PDSN
Other BSC
E1/T1/FE
E1/T1/FE
E1/T1/FE
FE
GE
Optical Fiber
Optical Fiber
Optical Fiber
FE
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Typical Hardware Configuration
Capacity Subrack/Moduleconfiguration
Board configuration
200,000 voice
subscriber and
400 Mbit/s data
throughput
CLKM 1
CSWS 1 CMPU 2, CNET 2, CLPC 4
CRPS 1 CRMU 2, CMUX 2
CPMS 4CHAC 2, CPCU 2, CMUX 2,
CBPU 5, CPPU 5
CIPS 10 (CDMA2000 1X
service processing entity)
CBIE 1, CFMR 3, CEVC 4, CMUX
2, CLAP 1, CSPU 2, CAIE 1
CIPS 4 (CDMA2000 1x
EV-DO service processing
entity)
CBIE 2, CFMR 10
CMUX 2, CSPU 2
CIMS 1
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Typical Hardware Configuration
CapacitySubrack/Module
configurationBoard configuration
320,000 voice
subscriber and
200 Mbit/s data
throughput
CLKM 1
CSWS 1 CMPU 2, CNET 2, CLPC 4
CRPS 1 CRMU 2, CMUX 2
CPMS 2CHAC 2, CPCU 2, CMUX 2,
CBPU 5, CPPU 5
CIPS 16 (CDMA2000 1X
service processing entity)
CBIE 1, CFMR 3, CEVC 4, CMUX
2, CLAP 1, CSPU 2, CAIE 1
CIMS 1
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System Configuration (Small Capacity)
CRPS
CIMS
CIPS
CLKM
CPMS
BTS
MSC
NMS
PDSN
Other BSC
E1/T1/FE
E1/T1/FE
E1/T1/FE
FE
GE
Optical Fiber
Optical Fiber
FE
PDSNGE
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Typical Hardware Configuration
CapacitySubrack/Module
configurationBoard configuration
140,000 voice
subscriber and
40 Mbit/s data
throughput
CLKM 1
CRPS 1CLIU 4, CRMU 2, CMUX 2, CPCU
2, CHAC 2, CBPU 2, CPPU 2
CIPS 7 (CDMA2000 1X
service processing entity)
CBIE 1, CFMR 3, CEVC 4, CMUX
2, CLAP 1, CSPU 2, CAIE 1
CIMS 1
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Chapter 1 Overview
Chapter 2 Subrack
Chapter 3 Subsystem
Chapter 4 Summary
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Chapter 2 Subrack
2.1 CSWS (Optional)
2.2 CIPS
2.3 CRPS
2.4 CPMS
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CSWS
CSWS: CDMA SWitch Subrack
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CSWS
C
MP
U
C
MP
U
C
LP
C
C
LP
C
C
LP
C
C
LP
C
C
LP
C
C
NE
T
C
NE
T
C
LP
C
C
LP
C
C
LP
C
C
LP
C
C
LP
C
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
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Functional Diagram of CSWS
CNET
CLPC Other subracks
BAM
Other subracksCLPC
CMPU
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CMPU
IDE Hard Disk
RUN ALM ACT
RESET
CMPU: CDMA Main Process Unit
Management proxy for other
subracks
Managing & maintaining the
boards in CSWS
Power supply Indices and board
dimensions:
Input voltage: –36 V to –72 V
Power consumption: 25 W
Dimensions: 366.7 mm x 340
mm [14.44 in. x 13.39 in.]
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CMPU Panel Description
RUN
ALM
ACT
RESET
RUN: Board status indicator
Normal status : Flashing
4Hz: The CMPU is being reset and starting up.
Other periods: the CPU of the CMPU is running.
ALM: Alarm indicator
Normal status : Off
On (or fast flashing): Fault occurs.
ACT: Active/standby status indicator On: The CMPU is in the active state.
Off: The CMPU is in the standby state.
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CMPU Panel Description
RUN
ALM
ACT
RESET
RESET: Press it to resetthe CMPU.
RJ45 socket with indicators: Self-adaptive10/100 Mbps Ethernet interface. The socket isequipped with connection and transceiving indicators.
connection indicator: on----the connected network runsnormally.
transceiving indicator: flashing----data transceiving is inprocess.
Serial port 1,2: Connected with the console or Modem to fulfill remote maintenance.
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CLPC
CLPC: CDMA Line ProCess unit
Provide optical ports to
connect subrack
Power Supply and Board
Dimensions
Input voltage: –36 V to –72 V
Power consumption: 45 W
Dimensions: 366.7 mm x 340
mm [14.44 in. x 13.39 in.]
I/Ointerface unit
I/O interface unit
RUN
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CLPC Panel Description
RUN
04CD
0
1
2
3
RX
TX
04CD
0
1
2
3
RX
TX
RUN: Board status indicator
0.5s on and 0.5s off: The CLPC runs normally.
On or Off: The CLPC is faulty.
The CLPC offers eight 155 Mbit/s ATM optical
interfaces.
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CNET
CNET: CDMA NETwork transfer
and switch unit
ATM Switching
Power Supply Indices and Board
Dimensions
Input voltage: –36 V to –72 V
Power consumption: 160 W
Dimensions: 366.7 mm x 340
mm [14.44 in. x 13.39 in.]
Clockmodule
RUN CLK
ACT CLK IN0 CLK IN1 CLK OUT0 CLK OUT1 CLK IN2 CLK IN3
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ACT: Active/standby status indicator of clock plane
On: In the active state.
Off: In the standby state.
RUN
CLK
ACT
CLK IN0
CLK IN1
CLK OUT0
CLK OUT1
CLK IN2
CLK IN3
CNET
RUN: Board status indicator 0.5s on and 0.5s off: The CNET operates normally.
On or Off: The CNET operates abnormally.
CLK: Clock status indicator 0.125s on and 0.125s off: In the fast pull-in status.
3s on and 1s off: In the locked status.
3s off and 1s on: In the holdover status.
1s on and 1s off: In the free-run status.
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Traffic Flow
C
M
U
X
C
M
U
X
C
N
E
T
C
L
P
C
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C
L
P
C
C
N
E
T
C
MU
X
C
M
P
U
BAM
Bus
Bus
Maintenance Flow
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Chapter 2 Subrack
2.1 CSWS (Optional)
2.2 CIPS
2.3 CRPS
2.4 CPMS
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CIPS
CIPS: CDMA Integrated Processing Subrack
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Functional Diagram of CIPS
Service
frameselection,
frame
allocation
Multiplexing
/De-
multiplexing
Abis
Physical
interface
Signaling
processing
Circuit data
processing
Speech encoding
and decoding
A1/A2
physical
interface
Packet to CRPS /CPMS
MSC
CRPS/CPMS
Abis OML
Abis signaling
Abis traffic
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CMUX
CMUX: CDMA system MUltipleXer
unit
Switching & Multiplexing of
ATM, Interface board for
connecting to CSWS Power Supply and Board
Dimensions
Input voltage: –36 V to –72 V
Power consumption: 38 W
Board dimensions: 366.7 mm x
340 mm [14.44 in. x 13.39 in.]
ETH 1PPS COM1 COM2
¹â¿Û°å
RUN ALM ACT
RESET
TX RX
Optical Module
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CMUX Panel Description
RES
RUN: Operation indicator ON: There is power input and the CMUX is faulty.OFF: There is no power input or the CMUX is faulty.
Flashing at 0.5 Hz: The CMUX is in normal operation.
Flashing at 4 Hz: The CMUX is being loaded.
Flashing at 0.25 Hz: The CMUX is under self-test.
ALM: Alarm indicator. Normal Status: OFFACT: Active/standby status indicator. ON: active / OFF: standby
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CMUX Panel Description
RESET: Resetting the CMUX
In a small-capacity BSC with the CLIU in the CRPS, theTX/RX interface of the CMUX in the CIPS is connected tothe RX/TX in the CLIU in the CIPS.In a large-capacity BSC, the TX/RX is connected to theRX/TX in the CLPC in the CSWS.
ETH: Connected to the network port in LAN Switch sothat the CIMS can maintain the subrack.
RES
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CMUX Panel Description
Optical subboard
J18
J19
J21
Short-circuitedNot short-circuited
(default)
J18
The CMUX is
under debugging.
The CMUX is in normaloperation.
J19CPU A is under
debugging.
CPU A is in normal
operation.
J21CPU B is under
debugging.
CPU B is in normal
operation.
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CBIE
CBIE: CDMA Base station
Interface Equipment
Interface board for Abis or
A3/A7(in CRPS), Support ATM
link Power Supply and Board
Dimensions
Input voltage: –36 V to –72 V
Power consumption: 30 W
Board dimensions: 366.7 mm x
340 mm [14.44 in. x 13.39 in.]J18
RUN
ALM
ACT
CLK1
E1/T1
CLK2
E1/T1
E1/T1
E1/T1
S14S12
S13
S11
S10
S6
S5
S15
S16
S9
S8
S7
S17
J19 J18
J21
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CBIE Panel Description
RU
AL
AC
CL
E1/T1
CL
E1/T1
E1/T1
E1/T1
RUN: Operation indicator ON: There is power input and the CBIE is faulty.OFF: There is no power input or the CBIE is faulty.
Flashing at 0.5 Hz: The CBIE is in normal operation.
Flashing at 4 Hz: The CBIE is being loaded.
Flashing at 0.25 Hz: The CBIE is under self-test.
ALM: Alarm indicator. Normal Status: OFFACT: Active/standby status indicator. ON: active / OFF: standby
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IMA in CBIE
µÍËÙÎïÀíÁ ́·
High -rate ATM flow High -rate ATM flow
IMA Processing
Module
E1
Interface
Module
1#E1
2#E1
n#E1
… ...
E1
Interface
Module
IMA
Processing
Module
IMA
ChipIMA
Chip
IMA: Inverse Multiplexing over ATM
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CBIE Panel Description
Supporting ATM over fractional E1/T1
Providing the User-to-Network Interface (UNI) in
the ATM over fractional E1/T1 mode and
transferring ATM cells in the specified timeslots on
one E1/T1 Providing the inverse multiplexing over ATM (IMA)
processing of 32 E1s/T1s
Providing the Abis interface between the BTS and
the BSC and performing AAL2 switching and AAL5 transparent transmission
Providing 32 E1/T1 electrical interfaces
RU
AL
AC
CL
E1/T1
CL
E1/T1
E1/T1
E1/T1
32 E1/T1
cables
3
1
.
.
.
.
.
.
.
.
.
.
10
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J18
S14S12
S13
S11
S10
S6
S5
S15
S16
S9
S8
S7
S17
J19 J18
J21
CBIE Panel Description
Short-
circuited
Not short-circuited
(default)
J21 The CMUX
is under
debugging.
The CBIE is in
normal operation.
J19 Subsystem
A is under
debugging.
Subsystem A is in
normal operation.
J18 SubsystemB is under
debugging.
Subsystem B is innormal operation.
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CBIE Panel Description
DIP Switch on CBIE
S17, S16, S15, S5, S6,
S10, S11, S13, S14:
Impedance matching
selection of E1/T1 cablesS7, S8, S9, S12: TX PGND
(Protection Ground ) switch
of E1/T1 cables
J18
S14S12
S13
S11
S10
S6
S5
S15
S16
S9
S8
S7
S17
J19 J18
J21
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CFMR
CFMR: CDMA radio frame
processing board
Combining/ Distribution, Signal
Multiplexing/De-multiplexing
Power supply indices and boarddimensions:
Input voltage: –36 V to –72 V
Power consumption: 35 W
Board dimensions: 366.7 mm x
340 mm [14.44 in. x 13.39 in.]
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Functional Diagram of CFMR
Selection/Distribution
BTS1 BTS2
Power control
Service Frame Service Frame
Frame protocol
processing
Frame protocol
processing
Best Frame
Multiplexing/Demultiplexing
LAC SAR
LAC PDU
TRAU frame RLP
CSPU CEVC CPPU
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CFMR Panel Description
RUN: Operation indicator ON: There is power input and the CFMR is faulty.OFF: There is no power input or the CFMR is faulty.
Flashing at 0.5 Hz: The CFMR is in normal operation.
Flashing at 4 Hz: The CFMR is being loaded.
Flashing at 0.25 Hz: The CFMR is under self-test.
ALM: Alarm indicator. Normal Status: OFFACT: Active/standby status indicator. ON: active / OFF: standby
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CFMR Panel Description
J7
J17
Short-
circuited
Not short-circuited
(default)
J7 The CFMR
is under
debugging.
The CFMR is in
normal operation.
J17 The CFMR
is under
debugging.
The CFMR is in
normal operation.
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CEVC
CEVC: CDMA Enhanced Vocoder
with echo Canceller board
Voice Code Convert & Echo
Canceller, Checks and inserts
DTMF signals Power supply indices and board
dimensions:
Input voltage: –36 V to –72 V
Power consumption: 45 W
Board dimensions: 366.7 mm x
340 mm [14.44 in. x 13.39 in.]
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CEVC Panel Description
RUN: Operation indicator ON: There is power input and the CEVC is faulty.OFF: There is no power input or the CEVC is faulty.
Flashing at 0.5 Hz: The CEVC is in normal operation.
Flashing at 4 Hz: The CEVC is being loaded.
Flashing at 0.25 Hz: The CEVC is under self-test.
ALM: Alarm indicator. Normal Status: OFFACT: Active/standby status indicator. ON: active / OFF: standby
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CEVC Panel Description
J7
J17Short-
circuited
Not short-circuited
(default)
J7 The CEVCis under
debugging.
The CEVC is innormal operation.
J17 The CEVC
is under
debugging.
The CEVC is in
normal operation.
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CLAP
CLAP: CDMA Link Access
Protocol board
Process MTP2 Message
Power supply Indices and board
dimensions
Input voltage: –36 V to –72 V
DC
Power consumption: 20 W
Dimensions: 366.7 mm x 340mm [14.44 in. x 13.39 in.]
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CLAP Panel Description
RUN: Operation indicator ON: There is power input and the CLAP is faulty.OFF: There is no power input or the CLAP is faulty.
Flashing at 0.5 Hz: The CLAP is in normal operation.
Flashing at 4 Hz: The CLAP is being loaded.
Flashing at 0.25 Hz: The CLAP is under self-test.
ALM: Alarm indicator. Normal Status: OFFACT: Active/standby status indicator. ON: active / OFF: standby
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CLAP Panel Description
J7
J17
Short-
circuited
Not short-circuited
(default)
J7 The CLAPis under
debugging.
The CLAP is innormal operation.
J17 The CLAP
is under debugging.
The CLAP is in
normal operation.
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CSPU
CSPU: CDMA Signal Process Unit
Process High Level Signaling
Power supply indices and board
dimensions: Input voltage: -36 V to -72 V
Power consumption: 30 W
Board dimensions: 366.7 mm x
340 mm [14.44 in. x 13.39 in.]
J23
J22
RST CPUA
RUN
ALM
ACT
ETH1
ETH2
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CSPU Panel Description
RUN: Operation indicator ON: There is power input and the CSPU is faulty.OFF: There is no power input or the CSPU is faulty.
Flashing at 0.5 Hz: The CSPU is in normal operation.
Flashing at 4 Hz: The CSPU is being loaded.
Flashing at 0.25 Hz: The CSPU is under self-test.
ALM: Alarm indicator. Normal Status: OFFACT: Active/standby status indicator. ON: active / OFF: standby
RUN
ALM
ACT
ETH1
ETH2Unused
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CSPU Panel Description
J23
J22
RST CPUA
Short-
circuited
Not short-circuited
(default)
J22 The CSPU
is under
debugging.
The CSPU is in
normal operation.
J23 The CSPU
is under
debugging.
The CSPU is in
normal operation.
RSTCPUA
Button used for resetting theCPU system
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CAIE
CAIE: CDMA A-Interface
Equipment
Interface board for A1/A2,
Clock extraction
Power Supply and BoardDimensions
Input voltage: –36 V to –72 V
Power consumption: 24 W
Board dimensions: 366.7 mmx 340 mm [14.44 in. x 13.39
in.]S5 S4 S9 S8
S6
S7
S11
S12S15S18
S3 S2 S16 S17 S10 S13
J18
RUN
ALM
ACT
CLK1
E1/T1
CLK2
E1/T1
E1/T1
E1/T1
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CAIE Panel Description
RU AL
AC
CL
E1/T1
CL
E1/T1
E1/T1
E1/T1
RUN: Operation indicator ON: There is power input and the CAIE is faulty.OFF: There is no power input or the CAIE is faulty.
Flashing at 0.5 Hz: The CAIE is in normal operation.
Flashing at 4 Hz: The CAIE is being loaded.
Flashing at 0.25 Hz: The CAIE is under self-test.
ALM: Alarm indicator. Normal Status: OFFACT: Active/standby status indicator. ON: active / OFF: standby
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CAIE Panel Description
Providing E1/T1 interfaces
TDM switching and rate converting
Clock extracting
Providing 32 E1/T1 electrical interfaces
RU AL
AC
CL
E1/T1
CL
E1/T1
E1/T1
E1/T1
32 E1/T1
cables
3
1
.
.
.
.
.
.
.
.
.
.
10CLK1: Output interface 1 for 2 MHz clock reference sourceCLK2: Output interface 2 for 2 MHz clock reference source
CLK1 and CLK2 share the same source
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S5 S4 S9 S8
S6
S7
S11
S12S15S18
S3 S2 S17 S13S16 S10
J21
J22
CAIE Panel Description
Short-
circuited
Not short-circuited
(default)
J21 The CAIEis under
debugging.
The CAIE is innormal operation.
J22 The CAIE
is under
debugging.
The CAIE is in
normal operation.
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CAIE Panel Description
DIP Switch on CAIE
S2, S3, S15, S18, S4, S5,
S6, S7, S11, S12, S16,
S17 : Impedance
matching selection of E1/T1 cables
S8, S9, S10, S1: TX
PGND (Protection
Ground ) switch of E1/T1
cablesS5 S4 S9 S8
S6
S7
S11
S12S15S18
S3 S2 S17 S13S16 S10
J21
J22
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CIWF (Optional)
CIWF: CDMA Inter Working
Function board
Support Circuit Data Service
Power supply indices and board
dimensions:
Input voltage: –36 V to –72 V
Power consumption: 50 W
Dimensions: 366.7 mm x 340
mm [14.44 in. x 13.39 in.]
1 2 3 4
1
2
3
4
1
2
3
4
S4
S3
S5 ON
ON RUN
ALM
RESET
E T H
E 1 - 3
E 1 - 2
E 1 - 1
E 1 - 0
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CIWF Panel Description
RUN
ALM
RESET
E T H
E 1 - 3
E 1 - 2
E 1 - 1
E 1 - 0
RUN: Operation indicator ON: There is power input and the CIWF is faulty.OFF: There is no power input or the CIWF is faulty.
Flashing at 0.5 Hz: The CIWF is in normal operation.
Flashing at 4 Hz: The CIWF is being loaded.
Flashing at 0.25 Hz: The CIWF is under self-test.
ALM: Alarm indicator. Normal Status: OFF
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CIWF Panel Description
RUN
ALM
RESET
E T H
E 1 - 3
E 1 - 2
E 1 - 1
E 1 - 0
Interface ID Usage Connection Relation
ETH Ethernet interface Network interface used for debugging.Reserved.
E1-0 E1 interface No.0 E1 No.0 outlet. Reserved.
E1-1 E1 interface No.1 E1 No.1 outlet. Reserved.
E1-2 E1 interface No.2 E1 No.2 outlet. Reserved.
E1-3 E1 interface No.3 E1 No.3 outlet. Reserved.
RESET: Resetting theCIWF
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Voice Traffic Flow in CIPS
CBIE CFMR CMUX CEVC CAIE
ATM Bus
Expanded TDM Bus
TDM Bus
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Data Traffic Flow in CIPS
CBIE CFMR
ATM Bus
CBTS CRPS
CMUX
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Voice Signaling Flow in CIPS
CBIE CFMR CSPU CMUX CAIE
ATM BUS
Expanded TDM Bus
TDM BUS
CLCB
Out-band
Signaling
In-band Signaling
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Data Signaling Flow in CIPS
CBIE CFMR CSPU
ATM Bus
Out-band signalingTo CRPS
In-band signaling
To CBTS
CMUX
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Chapter 2 Subrack
2.1 CSWS (Optional)
2.2 CIPS
2.3 CRPS
2.4 CPMS
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CRPS
CRPS: CDMA Resource and Packet Subrack
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CRPS
C
B
I
E
C
B
P
U
C
R
M
U
C
R
M
U
C
P
C
U
C
P
C
U
C
H
A
C
C
M
U
X
C
M
U
X
C
H
A
C
C
B
P
U
C
P
P
U
C
P
P
U
C
B
I
E
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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Functional Diagram of CRPS
Resource
management
Provide A3/A7physical interface
Packet data
service processing
Provide periodical
time synchronization
From original CIPS
From original CIPS
To CIPSFrom CLKM
To PDSN
To target CIPS
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CMUX
NOTE:
The CMUX in the CRPS is the same as the CMUX in the CIPS.
Except ...
Manage & maintain the boards in CRPS
Provide RFN for the system
and …
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CMUX Panel Description
RES
In a small-capacity BSC: the TX interface of CMUX in the CRPS is not used.
In a large-capacity BSC: the TX is connectedto the RX in the CLPC in the CSWS.
1PPS: PP16S/8kHz clock signal input interface
COM1: Serial port 1 for serial communication with the CCRMCOM2: Serial port 2 for serial communication with the CCRM
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CBIE
NOTE:
The CBIE in the CRPS is the same as the CBIE in the CIPS.
Except ...
Provide inter-BSC A3/A7 interface
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CRMU
CRMU: CDMA ResourceManagement Unit
Process the A3, A7 and A9interfaces signaling
Maintenance management and
distribution of the A2, A3 and A8interface resources
Power supply indices and boarddimensions:
Input voltage: –36 V to –72 V DC
Power consumption: 30 W
Dimensions: 366.7 mm x 340mm [14.44 in. x 13.39 in.]
J23
J22
RST CPUA
RUN
ALM
ACT
ETH1
ETH2
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CRMU Panel Description
RUN: Operation indicator ON: There is power input and the CRMU is faulty.OFF: There is no power input or the CRMU is faulty.
Flashing at 0.5 Hz: The CRMU is in normal operation.
Flashing at 4 Hz: The CRMU is being loaded.
Flashing at 0.25 Hz: The CRMU is under self-test.
ALM: Alarm indicator. Normal Status: OFFACT: Active/standby status indicator. ON: active / OFF: standby
RUN
ALM ACT
ETH1
ETH2Unused
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Questions
Do you notice the hardware structure of CRMU is the same as
one board’s which we have learned in CIPS just now?
What’s the name of that board?
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CPPU
CPPU: CDMA Packet Process Unit
Store and transfer the data packets
Power supply indices and board dimensions:
Input voltage: –36 V to –72 V
Power consumption: 27 W
Board dimensions: 366.7 mm x 340 mm [14.44 in. x 13.39 in.]
NOTE: The CPPU’s hardware structure is the same as that of CSPU’s
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CPCU
CPCU: CDMA PCF Control Unit
Signaling Processing of A9 and A11
Power supply indices and board dimensions:
Input voltage: –36 V to –72 V
Power consumption: 30 W
Board dimensions: 366.7 mm x 340 mm [14.44 in. x 13.39 in.]
NOTE: The CPPU’s hardware structure is the same as that of CSPU’s
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CBPU
CBPU: CDMA Buffer Process Unit
Downlink data buffering, processing and transferring
Power supply indices and board dimensions:
Input voltage: –36 V to –72 V
Power consumption: 27 W
Board dimensions: 366.7 mm x 340 mm [14.44 in. x 13.39 in.]
NOTE: The CPPU’s hardware structure is the same as that of CSPU’s
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Questions
How many boards are the same as CSPU in hardware structure?
Do you remember their names?
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CHAC
CHAC: CDMA High-speedAccess Controller
Interface board for A10/A11
Power Supply Indices and Board
Dimensions
Input voltage: –36 V to –72 V
Power consumption: 48 W
Board dimensions: 366.7 mm
x 340 mm [14.44 in. x 13.39in.]
RUN
ALM
RESET
O1GIE
TX
RX
SW1
Pinch_plate
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CHAC Panel Description
RUN: Operation indicator ON: There is power input and the CHAC is faulty.OFF: There is no power input or the CHAC is faulty.
Flashing at 0.5 Hz: The CHAC is in normal operation.
Flashing at 4 Hz: The CHAC is being loaded.
Flashing at 0.25 Hz: The CHAC is under self-test.
ALM: Alarm indicator. Normal Status: OFF
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CHAC Panel Description
RESET: Resetting theCHAC
Interface Description Remarks
TX
1,000 M Ethernet optical
transmitting interface
Sending 1,000 M Ethernet
data
RX1,000 M Ethernet opticalreceiving interface
Receiving 1,000 M Ethernetdata
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CHAC Panel Description
Optical subboard
J12
Short-
circuited
Not short-circuited
(default)
J12
The least
significant 4
M of FLASH
has writeproperty. J12
is used only
during CHAC
manufacture
and BootROM
upgrade.
The CHAC is in
normal operation.
The leastsignificant 4M,
namely, 0 –4M, of
FLASH in the
CHAC is in write
protect state.
Used to set FLASH write-protection flag
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Downlink Data Flow in CRPS
CHAC CBPU CPPU CMUX
From PDSN To CIPS
ATM Bus
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Uplink Data Flow in CRPS
CHAC CBPU CPPU CMUX
To PDSN From CIPS
ATM Bus
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Data Signaling flow in CRPS
CHAC CPCU CRMU CMUX
PDSN CIPS
ATM Bus
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Chapter 2 Subrack
2.1 CSWS (Optional)
2.2 CIPS
2.3 CRPS
2.4 CPMS
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CPMS
CPMS: CDMA Packet Module Subrack
C
H
A
C
C
H
A
C
C
B
P
U
C
B
P
U
C
B
P
U
C
B
P
U
C
B
P
U
C
M
U
X
C
M
U
X
C
P
P
U
C
P
P
U
C
P
P
U
C
P
P
U
C
P
P
U
C
P
C
U
C
P
C
U
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Note: If data throughput is less than 40Mb then only CRPS is
enough. For more throughput we need to configure CPMS.
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Chapter 3 Subsystem
3.1 Clock System
3.2 Power System
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Types of Synchronization
Transmission Synchronization
Synchronization between BSC and MSC
Time Synchronization
Synchronize the Radio Frame Number between BSC and BTS
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CLKM
CLKM: CLocK processing Module
CLKM is composed of two parts:
GCKP (GPS/GLONASS & ClocK Processing Board )
GCKB (Backplane of CLKM )
Panel of GCKP (Active/Standby)
RUN ALM ACT COM IN0 IN1 OUT ANT RUN ALM ACT COM IN0 IN1 OUT ANT
CLK_B COM_B ETH_B CLK_A COM_A ETH_A
Panel of GCKB
Panel of GCKP (Active/Standby)
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GCKP
GCKP: GPS/GLONASS and ClocK Processing board
RUN ALM ACT COM IN0 IN1 OUT ANT
RUN: Operation indicator Flashing at 1Hz: The GCKP isnormal.ALM: Alarm indicator. Normal
Status: OFFACT: Active/standby statusindicator. ON: active / OFF:standby
Reserved
IN0
IN1
Input interface for BITS clock or lineclock, such as 2 MHz clock and 2Mbps clock
OUT Output interface for 2 MHz test clock
ANTInterface for GPS/GLONASS satelliteantenna
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GCKB
GCKB: GPS/GLONASS and ClocK subrack Backplane
CLK_B COM_B ETH_B CLK_A COM_A ETH_A
CLK_A/CLK_B Output interface for PP16S/8 kHz Clock signal
COM_A/COM_BOutput interface for satellite timeinformation/CLKM maintenance serial port
ETH_A/ETH_B Network port for loading the standby GCKP
CLKM
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BSC Clock System Structure
CLKC
C N E T
C M P U
CSWS
C L
P C C
B P U
C M U X
C P P U
C P C U
C B I E
C M U X
C B P U
C R M U
C P P U
2MHz circuit clock extracted from A-Interface
CPMS
CRPS
RFN cell
8k & 32M
8k & 32M
MSC A1/A2
Abis
PDSN A10/A11
GCKP GCKB
C S P U
C M U X
C F M R
C B I E
CIPS
RFN pulse
8k & 32M
RFN cell
8k PP16S absolute time information
C E V C
C L A P
C A I E
BTS C H A C
C P C U
C H A C
PDSN A10/A11
A3/A7 BSC
GPS
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Physical ConnectionRUN ALM ACT COM IN0 I N1 T EST A NT
TX
RX
ETH
1PPS
COM1
COM2
RUN
ALM
ACT
RESET
7#CMUX(CRPS/CRMS)
CLK1
CLK2
E1/T1
E1/T1
E1/T1
E1/T1
RUN
ALM
ACT
CAIE
GCKP1
ETH_BCOM_BCLK_B ETH_ACOM_ACLK_A
GCKB
TX
RX
ETH
1PPS
COM1
COM2
RUN
ALM
ACT
RESET
8#CMUX(CRPS/CRMS)
RUN ALM ACT COM IN0 I N1 T ES T AN T
GCKP2
CLK1
CLK2
E1/T1
E1/T1
E1/T1
E1/T1
RUN
ALM
ACT
CAIE
ToGPS/Glonassantenna
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Chapter 3 Subsystem
3.1 Clock System
3.2 Power System
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Structure of Power System
The BSC is based on a multi-level distribution feed system,including:
AC power system
DC power system
DC power distribution cabinet
Feed system of cabinetsCabinetfeed
system
Cabinetfee
d
system
DC
distributioncabinet
-48V
DC
powersystem
BGND/RTN
-48V
BGND/RTN
PGND
-48V
BGND/RTN
-48V
BGND/RTN
PGND
-48V
BGND
-48V
BGND
AC
PGND
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Connection of power feed cables
Functional subrack
DC power
distribution box
Input terminal
block
BGND-48V
-48V
C a b i n e t P G N D b
u s b a
r
Output
terminal block
Functional subrack
BGND-48V
Monitor
cable
BGND/RTN
BGND/RTN-48V
PGND
CabinetPGND
busbar
PGND
Cabinet PGND busbar
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Power Distribution Box
Power Distribution Box is composed of two parts:
XLPB (Lightning Protection Board )
− Suppressing the over-voltage and over-current surge
caused by lightning at the DC power input port to ensure
the system security.XPSU (Power and environment Supervision Unit )
− Checking parameters regarding power supply and
environment, and reporting the detected information to
the CMUX through serial ports.
RUN
ALM
RUN: Flashing at 1 Hz: The XPSU has not logged on to the CMUX.
Flashing at 0.5 Hz: The XPSU runs normally and communicates well with the CMUX.
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Chapter 1 Overview
Chapter 2 Subrack
Chapter 3 Subsystem
Chapter 4 Summary
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Chapter 4 Summary
4.1 Software Loading Flow
4.2 Signaling Flow
4.3 Traffic Flow
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Software Loading Flow
Other boards
in CRPS
CMUX
in CIPS
CMUX
in CRPS
BAM
Download
Software
Download
Software
……
……
Other boards
in CIPS
CSWS
GCKB
in CLKM
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O&M Signal Flow
CRPS
C
R
M
U
C
M
U
X
C
B
P
U
C
P
C
U
C
P
P
U
CIPS
C
S
P
U
C
M
U
X
C
B
I
E
C
F
M
R
C
F
M
R
BAM
CSWS
C
M
P
U
C
L
P
C
C
N
E
T
CPMS
C
B
P
U
C
M
U
X
C
H
A
C
C
P
C
U
C
P
P
U
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Chapter 4 Summary
4.1 Software Loading Flow
4.2 Signaling Flow
4.3 Traffic Flow
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Voice Signaling Flow
CIPS
C
F
M
R
C
B
I
E
C
M
U
X
C
S
P
U
In-band
signaling
C
L
A
P
C
A
I
E
SS7 signaling
CRPS
CM
U
X
CR
M
U
Abis
CBTS
Out-band
signaling
MSC
A1
CSWS
C
L
P
C
C
N
E
T
TDM bearing
AAL5 bearing
AAL2 bearing
AAL2 termination
AAL2 switching
TDM switching
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Chapter 4 Summary
4.1 Software Loading Flow
4.2 Signaling Flow
4.3 Traffic Flow
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Voice Traffic Flow
CIPS
C
FM
R
C
BI
E
C
MU
X
C
EV
C
C
EV
C
C
AI
E
AbisCBTS MSC A2
TDM bearing
AAL2 bearing
AAL2 termination
AAL2 switching
TDM switching
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Packet Data Service Flow
CIPS
C
F
M
R
C
B
I
E
C
M
U
X
CRPS/CPMS
CP
P
U
Abis
CBTS
PDSN
A10CH
A
C
CB
P
U
CSWS
C
N
E
T
C
L
P
C
CM
U
XEthernet bearing
AAL5 bearing
AAL2 bearing
AAL2 termination
AAL2 switching
Q
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Questions
What’s the role of BSC in CDMA system?
How many subracks in BSC?
What is function of each board in BSC?
Could you draw the flowchart of signaling and traffic in BSC?
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Thank You
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