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Wireless Curriculum Development Section
ISSUE
WG001102 MSOFTX3000
hardware structure
1.0
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2Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
Objectives
Understand MSOFTX3000 system
structure
Master MSOFTX3000 board function
Understand concatenation and cables
Upon completion of this course,you will be able to:
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4
Course Contents
Chapter 1 MSOFTX3000 outline
Chapter 2 Board function
Chapter 3 Concatenation and cables
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5
Chapter 1 MSOFTX3000 Outline
1.1 DeviceIn t roduct ion
1.2 System structure
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6Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
External interfaces of MSOFTX3000
Serving as the control component in the UMTS R4 CN, such as
Mobile Switching Center (MSC) Server, Gateway MSC (GMSC)
Server and Tandem Mobile Service Switching Center (TMSC)
Server, and providing Service Switching Point (SSP) function.
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7Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
MSOFTX3000 Cabinet
MSOFTX3000 adopts N68-22 cabinet
It includes integrated configuration
and Expansion configuration cabinet
600 mm (width)* 800 mm (depth)*
2200 mm (height)
four frames per cabinet
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8Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
MSOFTX3000 Cabinet
Expansion subrack (9U)
Air deflector (2U)
Power distribution subrack (2U)
Expansion subrack (9U)
Air deflector (2U)
Expansion subrack (9U)
Air deflector (2U)
Expansion subrack (9U)
Air deflector (2U)
Expansion Configuration CabinetIntegrated Configuration Cabinet
Expansion subrack (9U)
Air deflector (2U)
Power distribution subrack (2U)
Expansion subrack (9U)
Air deflector (2U)
Expansion subrack (9U)
Air deflector (2U)
Expansion subrack (9U)
Air deflector (2U)
Expansion Configuration Cabinet
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9Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
MSOFTX3000 Subrack
The MSC SERVER UNIT subrack is designed in conformity with the
IEC297 standard and has the following features.
The subrack is 19 inches wide and 8U high.
The front boards and back boards are plugged into the backplane of the
subrack. All cables are led out of the subrack from the back.
The subrack accommodates 21 slots. The power boards (UPWR)
occupy four slots.
The subrack enables temperature
detection and fan speed adjustment functions.
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10Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
MSOFTX3000 Subrack
Classification
Basic subrack
The basic subrack is configured in the fixed position in the
integrated configuration cabinet, providing clock interface, IP
interface and ATM interface and implementing service processing.
WCD
B
WCD
B
0
0 1
WIF
M
2
WIF
M
3 4 5 6 7
WSM
U
8 9 10
WIF
M
11
WMG
C
12
WMG
C
13 14 15
1
WB
FI
2
WB
FI
3
WB
AI
4
WB
AI
5
WS
IU
6
WH
SC
7
MH
SC
9
WS
IU
8 10
WC
KI
11 12 13 14 15
Backplane
Front
boards
Back
boards
WB
FI
WB
FI
WAF
M
WAF
M
WCD
B
WCD
B
WC
KI
WSM
U
WI
FM
WAL
U
16
UPW
R
17 18 19 20
UP
WR
16
UP
WR
17 18 19 20
UPW
R
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12Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
Connection of different frames
Frame 0#
Frame 1#
Frame 2#
Frame 9#
LAN Switch in
plane 1
LAN Switch in plane 0
Standby iGWB
FE
GEActive iGWB
BAM
FE
Host Background
To the billing center
WS WS WS
HubTo the network
Management center
FE
To the billing center
Emergency WS
Frame 0#
Frame 1#
Frame 2#
Frame 9#
LAN Switch in
plane 1
LAN Switch in plane 0
Standby iGWB
FE
GEActive iGWB
BAM
FE
Host Background
To the billing center
WS WS WS
HubTo the network
Management center
FE
To the billing center
Emergency WS
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13Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
Chapter 1 MSOFTX3000 Outline
1.1Device Introduction
1.2 System stru cture
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14Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
Logical structure of the system
NMS
WEPIWEPI
WSIU/WSMUWSIU/WSMU
WIFMWIFM
WAFMWAFM
WCKIWCKI
CPCCPC
WCCUWCCU
WBSGWBSGWHSC
WMGCWMGC
BUS
iGWB
iGWB
BAM
IM SLLPM SPMOMM
LANSwitch
WS
WS
IP
ATM
BITS
E1
BC
0#
9#
SSM
WCDB
WVDB
NMS
WEPIWEPI
WSIU/WSMUWSIU/WSMU
WIFMWIFM
WAFMWAFM
WCKIWCKI
CPCCPC
WCCUWCCU
WBSGWBSGWHSC
WMGCWMGC
BUS
iGWB
iGWB
BAM
IM SLLPM SPMOMM
LANSwitch
WS
WS
IP
ATM
BITS
E1
BC
0#
9#
SSM
WCDB
WVDB
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15Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
Course Contents
Chapter 1 MSOFTX3000 outline
Chapter 2 Board function
Chapter 3Concatenation and cables
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16Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
Chap2 Board function
2.1 SSM
2.2 IM
2.3 SLLPM
2.4 SPM
2.5 other
2.6 Signaling path
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18Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
WSMU
The System Management Unit (WSMU) is the
main control board of the MSC SERVER
UNIT subrack Configuring shared resource
bus and managing its status.
Managing all boards in the subrack and
reporting their status to the BAM through the
serial port bus and shared resource bus
Controlling the indicators on the front panel of
the WALU.
Loading and managing system programs and
data.
LINK ACT
RST
HUAWEI
COM
ALM RUN
DOMA DOMB
WSMU
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20Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
WHSC
The Hot-Swap and Control unit (WHSC) is a back boardin the MSC SERVER UNIT subrack
WHSC is fixedly in back slots 7 and 9 of each subrack
Bridging left and right shared resource buses, for the
purpose of assuring that the WSMUs in slots 6 and 8 can
respectively manage the front boards (except the WALU andthe UPWR) of the subrack,
Controlling hot-swap of boards,
Providing two pairs of heartbeat detection interfaces for the
WSMU/WHSC
Providing a 10M/100M compatible Ethernet connection
between the active WSMU and the standby one
Providing six FE ports externally.
The WHSCs work in 1+1 backup mode.
10/100BT1
DOMA D OMB
10
/100BT2
10/100BT3
10/100BT4
10/100BT5
10/100BT6
HUAWEI
WHSC
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21Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
WHSCEthernet double plane structure
WHSC 0
WSIU 0
WSMU0
WSIU1
WSMU1
WHSC 1
External cable
WHSC 0 WHSC 1
WSIU 0 WSIU1
WSM
U0
WSM
U1
intra cableintra cable
LANSwitch 0 LANSwitch 1
intra cable intra cable
External cable
External cable
External cable
intra cableintra cable intra cable intra cable
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22Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
Connection between WHSC and WSIU
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23Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
Chap2 Board function
2.1 SSM
2.2 IM
2.3 SLLPM
2.4 SPM
2.5 other
2.6 Signaling path
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24Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
Interface module
NMS
WEPIWEPI
WSIU/WSMUWSIU/WSMU
WIFMWIFM
WAFMWAFM
WCKIWCKI
CPCCPC
WCCUWCCU
WBSGWBSGWHSC
WMGC
WMGC
BUS
iGWBiGWB
BAM
IM SLLPM SPMOMM
LANSwitch
WS
WS
IP
ATM
BITS
E1
BC
0#
9#
SSM
WCDB
WVDB
NMS
WEPIWEPI
WSIU/WSMUWSIU/WSMU
WIFMWIFM
WAFMWAFM
WCKIWCKI
CPCCPC
WCCUWCCU
WBSGWBSGWHSC
WMGC
WMGC
BUS
iGWBiGWB
BAM
IM SLLPM SPMOMM
LANSwitch
WS
WS
IP
ATM
BITS
E1
BC
0#
9#
SSM
WCDB
WVDB
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25Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
WIFM/WBFI
WIFM The IP Forward Module (WIFM) is used to receive
and transmit IP packets, process Media Access
Control (MAC) layer messages and distribute IP
messages.
WBFI
The Back Insert FE Interface unit (WBFI) is the
back interface board of the WIFM. It is used to
perform FE driving, and provide external physical
interfaces for the WIFM. It is configured
correspondingly to the WIFM one by one.
The WBFIs work in 1+1 backup mode.
LINKACT
HUAWEI
COM
ALM RUN
RST
WIFM
10/100BT
HUAWEI
WBFI
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26Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
WAFM/WBAI
WAFM
along with the WBAI, provides ATM interface to perform ATM
Adaptation Layer 5 (ATM AAL5) Segmentation And Reassembly
(SAR) processing
distribute the packets to the proper WBSG according to the
Permanent Virtual Connection (PVC) configurations.
WBAI
It is used to perform ATM driving and provide ATM STM-1
physical interfaces.
The WBAI work in 1+1 backup mode.
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27Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
WCKI
The WCKI is used to provide stratum-2 and stratum-3 standard
synchronization clocks for system networking purpose and stable
and precise clock signals to the system.
The WCKIs work in 1+1 hot-backup mode.
W
C
K
I
(M)
W
C
K
I
(S)
W
E
P
I
(M)
W
E
P
I
(S)
W
E
P
I
(M)
W
E
P
I
(S)
W
E
P
I
(M)
W
E
P
I
(S)
BITS BITS
8k clock cable 8k clock cable
Basic subrack
Expansion subrack
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28Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
WEPI
WEPI
Providing narrowband signaling physical interfaces for the
WCSU. It is configured correspondingly to the WCSU one by
one.
Processing MTP1 physical layer messages.
Transferring system clock signals and providing clock
synchronization in the subrack.
Working with the WCSU to implement active/standby switchover
through H.110 bus.
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29Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
WSMU
H.110 bus
WSIU
WHSC
BB
WSIU
WHSC
WSMU
BB: Back board
FB: Front board
BB
BB
BB
BB
BB
BB
BB
BB
BB
BB
BB
FB
FB
FB
FB
FB
FB
FB
FB
FB
FB
FB
FB
WSMU
H.110 bus
WSIU
WHSC
BB
WSIU
WHSC
WSMU
BB: Back board
FB: Front board
BB
BB
BB
BB
BB
BB
BB
BB
BB
BB
BB
FB
FB
FB
FB
FB
FB
FB
FB
FB
FB
FB
FB
WEPIH.110 Bus
Realize WCSU active/standby switchover
Transferring system clock signals for other board in the same subrack
WCSU0
WEPI 0
8E1
WEPI1
WCSU1
Intra HW bus
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30Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
Chap2 Board function
2.1 SSM
2.2 IM
2.3 SLLPM
2.4 SPM
2.5 other
2.6 Signaling path
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31Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
Signaling low layer process module
NMS
WEPIWEPI
WSIU/WSMUWSIU/WSMU
WIFMWIFM
WAFMWAFM
WCKIWCKI
CPCCPC
WCCUWCCU
WBSGWBSGWHSC
WMGCWMGC
BUS
iGWBiGWB
BAM
IM SLLPM SPMOMM
LANSwitch
WS
WS
IP
ATM
BITS
E1
BC
0#
9#
SSM
WCDB
WVDB
NMS
WEPIWEPI
WSIU/WSMUWSIU/WSMU
WIFMWIFM
WAFMWAFM
WCKIWCKI
CPCCPC
WCCUWCCU
WBSGWBSGWHSC
WMGCWMGC
BUS
iGWBiGWB
BAM
IM SLLPM SPMOMM
LANSwitch
WS
WS
IP
ATM
BITS
E1
BC
0#
9#
SSM
WCDB
WVDB
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32Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
WBSG
mainly used to process IP packets and ATM packets after the WIFM level 1 distribution
implement coding/decoding for lower layer signaling transmission protocols (UDP, TCP,
SIGTRAN, MTP3, SAAL and MTP3b) and H.248 bearer control protocol
perform level 2 message distribution to corresponding service processing units for
transaction layer/service layer processing.
M3UA
MTP3
SCTP
/TCP
/UDP
SAAL MTP3b H.248
IPDriver
MAC
/IP
ATMDriver
AAL5
SAR
WBSG
WIFM
WAFMWBAI
WBFI
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33Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
Chap2 Board function
2.1 SSM
2.2 IM
2.3 SLLPM
2.4 SPM
2.5 other
2.6 Signaling path
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34Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
Service process module
NMS
WEPIWEPI
WSIU/WSMUWSIU/WSMU
WIFMWIFM
WAFMWAFM
WCKIWCKI
CPCCPC
WCCUWCCU
WBSGWBSGWHSC
WMGCWMGC
BUS
iGWBiGWB
BAM
IM SLLPM SPMOMM
LANSwitch
WS
WS
IP
ATM
BITS
E1
BC
0#
9#
SSM
WCDB
WVDB
NMS
WEPIWEPI
WSIU/WSMUWSIU/WSMU
WIFMWIFM
WAFMWAFM
WCKIWCKI
CPCCPC
WCCUWCCU
WBSGWBSGWHSC
WMGCWMGC
BUS
iGWBiGWB
BAM
IM SLLPM SPMOMM
LANSwitch
WS
WS
IP
ATM
BITS
E1
BC
0#
9#
SSM
WCDB
WVDB
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35Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
WCCU/WCSU
The Calling Control Unit/Calling Control and Signaling process Unit
(WCCU/WCSU) is responsible for call control and protocol processing of
MTP3, MTP3b, M3UA, ISUP, BSSAP, MAP, CAP, RANAP, and IuUP.
SCCP
TCAP
ISUP
RANAP
BSSAP
+
MAP
CAP
MTP3
MTP3b
BICC H.248
M3UA
BSSAP
MTP2
WEPISCTP
SAALIP
M3UA MTP3b
WBSG
WCSU
WCCU
H.248
SCCP
TCAP
ISUP
RANAP
BSSAP
+
MAP
CAP
MTP3
MTP3b
BICC H.248
M3UA
BSSAP
MTP2
WEPISCTP
SAALIP
M3UA MTP3b
WBSG
WCSU
WCCU
H.248
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36Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
WCDB
It provides UMG resource management, outgoing trunk
selection, and WVDB distribution agent management (MSRN
number allocation, WVDB maintenance command forwarding)
functions.
The WCDB contains global data which can be accessed by allWCCUs/WCSUs and WVDBs.
Because the WCDB is an accessed center, its load is relatively
large. In small-capacity configuration mode, its functions can be
implemented by one pair of WCDBs. However,
In a large-capacity configuration mode, different functions must
be distributed to different WCDBs.
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37Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
WVDB
The VLR Database Board (WVDB) is a front board used to
store the subscription data of mobile subscribers.
In a large-capacity application, multiple pairs of WVDBs are
required to store the subscription data.
The subscription information of one subscriber is stored in the
same pair of WVDBs.
The principles for distributing subscriber data on different
WVDBs have been described in the Section about WCDB (also
named WVDB distribution agent function).
Such distribution is transparent for the WCCU/WCSU service
layer.
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38Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
WMGC
WMGC provides gateway registration, internal link statusmaintenance, gateway status and capability auditing, and
gateway exception handling functions.
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39Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
Chap2 Board function
2.1 SSM
2.2 IM
2.3 SLLPM
2.4 SPM
2.5 oth er
2.6 Signaling path
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42Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
Signaling Processing Path over TDM
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43Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
Signaling Processing Path over ATM
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44Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
Signaling Processing Path over IP
MSOFTX3000 Locks the Clock of the Opposite
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45Confidential Information of Huawei.
No Spreading without Permission. Security Level: Internal
MSOFTX3000 Locks the Clock of the Opposite
Equipment
Opposite Equipment Locks the Clock of
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46Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Opposite Equipment Locks the Clock of
MSOFTX3000
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47Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Alarm path
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48Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Charging path
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49Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Questions
How many boards are there in MSOFTX3000?
Whatsthe function of each board?
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50Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Course Contents
Chapter 1 MSOFTX3000 outline
Chapter 2Board function
Chapter 3 Concatenation and cables
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51Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Chap3 Concatenation and cables
3.1 cable distr ibu t ion c onn ect ion of WHSC
3.2 cable distribution connection of server
3.3 cable distribution connection of clock
cable
3.4 cable distribution connection of the
cable in power distribution subrack
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52Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Connection between WHSC and LAN Switch
The ports labeled 10/100BT6 at the uppermost position of
the active and standby WHSC boards are connected to the
active and standby LAN Switches respectively through
straight through network cables
LAN SwitchLAN Switch
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53Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Connection between WHSC and WSIU
Straight through network cable is used as FE signal cable to
connect the WHSC and the WSIU.
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Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Serial port cable between IGWBs
The two iGWBs in the integrated configuration cabinet need to
be connected by serial port cable to form the second heartbeat
signal transfer path for the dual backup mode.
The connection port is the RS232 serial port at the back of
iGWB server
Data Signal Cable bet een iGWB and Hard Disk Arra
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Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Data Signal Cable between iGWB and Hard Disk Array
Two pieces of SCSI data cables between iGWB and hard disk array
are provided by the manufacturer of hard disk array.
One end of the data cable connects with SCSI socket on iGWB, and
the other end connects to the SCSI socket on the upper part of hard
disk array
IGWB
Hard disk array
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C bl b iGWB/BAM d LAN S i h
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Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Cable between iGWB/BAM and LAN Switch
each server uses two straight through network cables to connect
with the active and standby LAN Switches
Ch 3 C bl di t ib ti
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Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Chap3 Cable distribution
3.1 cable distribution connection of WHSC
3.2 cable distribution connection of server
3.3 cable dis t r ibut ion connect ion of c lock
cable
3.4 cable distribution connection of the
cable in power distribution subrack
Cl k bl di t ib ti f MSOFTX3000
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Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Clock cable distribution of MSOFTX3000
WCKI
(M)
WCKI
(S)
WEPI
WEPI
WEPI
(M)
WEPI
(S)
WEPI
(M)
WEPI
(S)
BITS BITS
8k CLOCK CABLE 8k CLOCK CABLE
BASICFRAME
SERVICE FRAME
I t ll ti f t l l k bl
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Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Installation of external clock cable
The external clock cable is used to connect external BITS clock
device
The 75 ohm SMB connector is adopted as the cable connector
I t ll ti f t l l k bl
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Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Installation of external clock cable
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
BITS1
BITS2
LINE1
LINE2
WCKI
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
BITS1
BITS2
LINE1
LINE2
WCKI BITS1 BITS2
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I t ll ti f i t l k bl
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Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Installation of intra clock cable
WCKI board provides other subracks not configured with clock
boards with 16 channels of 8 kHz clock sources through 8 kHz
internal clock cable,
Chap3 Cable distrib tion
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Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Chap3 Cable distribution
3.1 cable distribution connection of WHSC
3.2 cable distribution connection of server
3.3 cable distribution connection of clock
cable
3.4 cable distr ibut ion connect ion of the
cable in power dis t r ibut ion sub rack
Installation of monitoring cable
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Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Installation of monitoring cable
one end of the cable is connected to the serial port socket of
the power distribution monitor board behind the power
distribution subrack, and the other end is connected to the
monitor port COM3 of WSIU board.
Summary
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Confidential Information of Huawei.No Spreading without Permission. Security Level: Internal
Summary
Understand MSOFTX3000 system structure
Master MSOFTX3000 board function
Understand concatenation and cables
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