Subscriber Unit BSLC
Use in SM8, SM16, SM4C and SU960
Each unit supports 960 analog subscribers or
480 digital subscribers
Concentration ratio is 4:1,dynamic time slots distribution
B
S
L
C
B
S
L
C
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P
O
W
A
S
L
C
P
O
W
A
T
D
S
L
S
P
I
S
P
I
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
P
O
W
A
S
L
C
P
O
W
A
M
T
T
S
P
S
P
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
Digital Trunk Layer BDT
Use in SM8, SM16 and SM4C
For DTI, ASIG, ODT, SNB board, slots compatible
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P
O
W
B
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
A
S
I
G
A
S
I
G
P
O
W
B
B
D
T
16E1 Digital Trunk Layer BMDT
Use in SM8 and SM16
For MDT, ASIG, ODT, SNB board, slots compatible
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P
O
W
B
M
D
T
M
D
T
M
D
T
M
D
T
M
D
T
M
D
T
M
D
T
M
D
T
M
D
T
M
D
T
M
D
T
M
D
T
M
D
T
M
D
T
A
S
I
G
A
S
I
G
P
O
W
B
B
M
D
T
Control Layer BCTL
Use in SM8, SM16, SM32 and SM64
For DTI, MP, SMEM, COMM, MON, PEPD board
B
C
T
L
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P
O
W
B
S
M
E
M
MP
C
O
M
M
P
E
P
D
P
O
W
B
M
O
N
MP
C
O
M
M
C
O
M
M
C
O
M
M
C
O
M
M
C
O
M
M
Switching Network Layer BNET
Use in SM8, SM32, SM64
For CKI, SYCK, DSN, DSNI, FBI, SDT board
DSNI, FBI, SDT slots compatible
B
N
E
T
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P
O
W
B
C
K
I
S
Y
C
K
S
Y
C
K
D
S
N
D
S
N
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
F
B
I
F
B
I
P
O
W
B
Switching Network Layer BNEN
Use in SM16
For CKI, SYCK, DDSN, DSNI, FBI, SDT board
DSNI, FBI, SDT slots compatible
B
N
E
N
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P
O
W
B
F
B
I
F
B
I
F
B
I
F
B
I
F
B
I
F
B
I
F
B
I
F
B
I
S
Y
C
K
S
Y
C
K
D
S
N
I
D
D
S
N
D
D
S
N
C
K
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
P
O
W
B
D
S
N
I
Central Network Layer BCN
Use in SM32 and SM64
For CFBI, CDSN/CPSN, CKCD, CDSN and CP
SN, slots compatible
B
C
N
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P
O
W
S
C
F
B
I
C
F
B
I
C
F
B
I
P
O
W
S
C
F
B
I
C
F
B
I
C
F
B
I
C
F
B
I
C
F
B
I
C
F
B
I
C
D
S
N
C
D
S
N
C
K
C
D
C
K
C
D
C
F
B
I
C
F
B
I
C
F
B
I
C
F
B
I
C
F
B
I
C
F
B
I
C
F
B
I
Remote Module Access Layer BRMI
Use in SM32, SM64
For DTI, ODT, SNB, FBI, CKDR board
DTI, ODT, SNB slots compatible
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P
O
W
B
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
F
B
I
F
B
I
D
T
I
C
K
D
R
C
K
D
R
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
P
O
W
B
B
R
M
I
Control Network Layer BCTN
Use in SM4C
For MP, SMEM, COMM, PEPD, MON, TNET, ASIG, DT
I, ODT and SNB
ASIG, DTI, ODT, SNB slots compatible
B
C
T
N
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P
O
W
B
S
M
E
M
M
P
C
O
M
M
C
O
M
M
T
N
E
T
P
E
P
D
M
O
N
C
O
M
M
T
N
E
T
A
S
I
G
A
S
I
G
A
S
I
G
D
T
I
D
T
I
D
T
I
D
T
I
P
O
W
B
D
T
I
M
P
C
O
M
M
C
O
M
M
C
O
M
M
Built-in SDH Frame BPON
Use in SM8, SM16, SM4C, SM32, SM64
B
P
O
N
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P
O
W
A
C
C
1
S
/C
C
1
F
S
1
O
A
E
N
T
4
/E
D
T
4
C
C
1
S
/C
C
1
F
E
N
T
4
/E
D
T
4
S
1
O
A
E
N
T
4
/E
D
T
4
E
N
T
4
/E
D
T
4
S
F
B
I
S
F
B
I
P
O
W
A
E
N
T
4
/E
D
T
4
E
N
T
4
/E
D
T
4
E
N
T
4
/E
D
T
4
S
C
L
K
E
N
T
4
/E
D
T
4
F
M
C
P
S
C
L
K
Built-in SDH Frame BRON
Use in SU960
B
R
O
N
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P
O
W
A
C
C
1
S
/C
C
1
F
S
C
L
K
S
C
L
K
F
M
C
P
S
1
O
A
S
1
O
A
P
O
W
A
R
E
P
D
R
E
P
D
C
C
1
S
/C
C
1
F
E
N
T
4
/E
D
T
4
E
N
T
4
/E
D
T
4
Single-module flowchart
Single module
Analyzing the requirement
Local / Tandem switch
Tandem switch
≤3000DT
SM8
≤8000T
Multi-module
SM16
Local switch
≤2400L
SM4C
≤10000L
Multi-module
SM8
Y
Y
N
N
Y
Y
N
N
SM8 Configuration
8K Network Switch Board
Maximum 6 racks, includes 1 control rack, 1 to 5 subscriber rac
k, flexible configuration based on requirement
59 HW and 12 COMM boards
Capacity:
Stand-alone:
subscribers & trunks: 12,480L+2,760DT
trunks: 6,240DT
Multiple Module:
subscribers & trunks:9,600L+1,200DT
trunks: 2,880DT,3,840DT
subscribers: 15,360L
SM8 Basic Data:
SM8 Switching Network Layer
On BNET back board, support at most 5 pair of DSNI bo
ards,
HW distribution as following:
Slot 13#, 14#: 0~3HW,MPPP/MPMP communication
Slot 15#, 16#: 52~62HW,total 11
Slot 17#, 18#: 36~51HW,total 16
Slot 19#, 20#: 20~35HW,total 16
Slot 21#, 22#: 4~19HW, total 16
B
N
E
T
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P
O
W
B
C
K
I
S
Y
C
K
S
Y
C
K
D
S
N
D
S
N
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
F
B
I
F
B
I
P
O
W
B
Subscriber Layer Configure
Subscriber Board (Ordinary analogue, Revers
e Polarity, 16KC, Far Distance, Digital)
Analog Trunk Board
Subscriber Layer Back Board (BSLC)
Subscriber Processor Board (SP)
Subscriber Processor Interface Board (SPI)
Multiple Function Testing Board (MTT)
Digital Subscriber Testing Board (TDSL)
Trunk Layer BDT -1
Digital Trunk Board(DTI)
Analog Signaling Board(ASIG)
(1)TONE:normally configure 120 circuits (divided 2*60 circuits in 2 board
s); if subscriber number less than 1000L, 60 circuit is enough;
(2)DTMF: by experience, subscribers: DTMF=32:1;
(3)Conference Phone: normally config 1 group 60 circuits, occupies ½
board of ASIG;
(4)MFC: by experience, CAS trunk number: MFC=8:1. If no CAS no nee
d configure;
(5)CID: according to CID subscriber number: CID=100:1. If no CID
requirement no need config
ASIG total amount:(1)+(2)+(3)+(4)+(5)
Note: Do consider RSU subscribers and V5 subscribers, i.e. wh
en using the formula above, the subscriber amount should inclu
de 3 parts: local, RSU and V5 subscribers.
Trunk Layer BDT -2
Optical Digital Trunk Board (ODT): 1~4 8M HW optio
nal for point to point optical networking
Backboard of Digital Trunk (BDT)
ODT and DTI’s slots compatible
(1 layer at most 16 boards supported)
ODT Classified into 3 types, local(2km), middle(30km) and long
distance(50km) according to transmission distance.
Switching Network Layer BNET -1
BNET: fixed 1 pcs
8K Net DSN: fixed 2 pcs
Synchronizing Clock Board (SYCK): fixed 2 pcs
Clock Interface Board (CKI): if BITS needed, 1 pcs for 1 switchi
ng office
Digital Switch Network Interface Board (DSNI)
A, fixed 2 pcs (MP level Driver)
B, totally 3 pairs of SP level DSNI board for DTI, ASIG, SLU.
Calculate number of DSNI based on requirement of HW
1 Subscriber Unit: 2HW, 1 pcs DT/ASIG: 1HW
DSNI number=A+B
Switching Network Layer BNET -2
e.g. 1080L(port) + 300DT(port) + 3 ASIG(board)
,how many HW and DSNI boards?
Fiber Interface Board (FBI) in 2 situation:
1. Used for PSM,normally config 2 pcs FBI board (for pure tru
nk module, if capacity more than 2880DT,2 pairs of FBI boar
ds needed)
2. Used for CM,FBI board number = Σ FBI number of connected P
SM;
FBI boards and DSNI boards are slots compatible, Classified 3 t
ypes, local(2km), middle(30km) and long distance(50km) accord
ing to transmission distance.
Control Layer BCTL -1
Backboard of Optical Control Layer (BCTL): fixed 1 pcs
Main Processor (MP): fixed 2 pcs
Share Memory Board (SMEM): fixed 1 pcs
Monitoring Board (MON): fixed 1 pcs
Periphery environment parameter detection Environment Mo
nitoring Board (PEPD): 1 pcs for 1 room
Control Layer BCTL -2
= 8 +(DTI+ASIG)*1+(subscriber unit number)*2 (includes subs
criber unit of RSU,but without DTI on RSU)
Amount of COMM boards=(1)+(2)+(3)+(4) +(5)
Communication Board(COMM):
(1)use for NO.7 signaling board, one board process 16 links;
(2)use for V5 signaling board, one board can process 16 links of
V5.1 or 8 links of V5.2;
(3)use for U card communication board, one board support 32 U
cards;
(4)multiple module need 2 pcs for MPMP,Single module not need;
(5)calculation when COMM used for MPPP
32 2 pcs COMM board
32< 64 4pcs COMM board
>64 6 pcs COMM board
Power Part
•A Power (POWA) = BSLC*2
•B Power (POWB) = (BCTL + BNET + BDT)*
2
•P Power (POWP) = Number of Racks
Rack Part
Frame = BSLC + BDT + BNET + BCTL,
Accessory Backboard used for unoccupied
shelf(each rack 6 frames)
Rack = based on number of frame, each ra
ck 6 frames
Trunk Board (MDT): 1 board supports 480 ports,cal
culate DTI quantity based on requested trunk capacity
4 HW needed for each MDT board
1 pair of MPPP time-slot needed for each MDT
16E1 Trunk Layer BMDT Part
SM4C
4 K Network Switching Board
26 HW
Maximum Capacity of Single Rack: 2400L + 600 DT
Maximum Capacity of Double Racks: 5280L + 600 DT
SM4C Basic Data:
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P
O
W
B
S
M
E
M
M
P
C
O
M
M
C
O
M
M
T
N
E
T
P
E
P
D
M
O
N
C
O
M
M
T
N
E
T
A
S
I
G
A
S
I
G
A
S
I
G
D
T
I
D
T
I
D
T
I
D
T
I
P
O
W
B
D
T
I
M
P
P
O
W
A
S
L
C
P
O
W
A
M
T
T
S
P
S
P
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
P
O
W
A
S
L
C
P
O
W
A
S
P
I
S
P
I
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
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C
O
M
M
C
O
M
M
C
O
M
M
P
O
W
A
S
L
C
P
O
W
A
M
T
T
S
P
S
P
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
P
O
W
A
S
L
C
P
O
W
A
M
T
T
S
P
S
P
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
P
O
W
A
S
L
C
P
O
W
A
S
P
I
S
P
I
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
B
C
T
N
B
S
L
C
B
S
L
C
B
S
L
C
B
S
L
C
B
S
L
C
Switching Module SM4C Rack Structure
16K Switching Network Board
123 HW
Large-capacity Gateway or Transit Office
Capacity:
Single module, trunks: 14,400DT or 7 STM-1
Multiple Module, trunks: 7,680DT or 4 STM-1
Subscriber: maximum 15,360 ports
SM16
SM16 Basic Data:
B
N
E
N
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P
O
W
B
F
B
I
F
B
I
F
B
I
F
B
I
F
B
I
F
B
I
F
B
I
F
B
I
S
Y
C
K
S
Y
C
K
D
S
N
I
D
D
S
N
D
D
S
N
C
K
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
D
S
N
I
P
O
W
B
D
S
N
I
Slot Position HW Number
DSNI(MP) HW0~3
DSNI0 HW4~19
DSNI1 HW20~35
DSNI2 HW36~51
DSNI3 HW52~67
FBI0 HW68~83
FBI1 HW84~99
FBI2 HW100~115
FBI3 HW116~121
DDSN HW123~127
HW
Distribution
SM16 Network Layer Configuratio
n
(1) fixed 2 pcs (COMM level driving,load balance)
other SP level DSNI boards carry MDT/DT, ASIG, SP.
(2) Quantity of DSNI is decided according to
requirement. One pair of DSNI provides 16 HW.
Additionally, DDSN provides 5 HW.
DSNI amount = (1) + (2)
SM16 DSNI Board Configuration
4K Network Switch Board, 26 HW
Adopt 19 inch integrated rack, included power,
battery, distribution frame( all for optional), etc.
Subscriber concentration can reach ratio 1:1
Maximum Capacity: 720L+720DT
Use in long distance situation, high traffic and quality
etc.
Normally use for single module only, but can carry
RSU
SM4I
SM4I Basic Data:
P
O
W
A
A
S
I
G
/
D
T
A
S
I
G
/
D
T
A
S
I
G
/
D
T
A
S
I
G
/
D
T
A
S
I
G
/
D
T
A
S
I
G
/
D
T
A
S
I
G
/
D
T
A
S
I
G
/
D
T
A
S
I
G
/
D
T
A
S
I
G
/
D
T
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P
O
W
B
S
M
E
M
M
P
M
O
N
T
N
E
T
A
S
I
G
/
D
T
A
S
I
G
/
D
T
T
N
E
T
M
P
C
O
M
M
C
O
M
M
C
O
M
M
P
O
W
A
A
T
/
S
L
C
A
T
/
S
L
C
A
T
/
S
L
C
A
T
/
S
L
C
A
T
/
S
L
C
A
T
/
S
L
C
A
T
/
S
L
C
A
T
/
S
L
C
A
T
/
S
L
C
A
T
/
S
L
C
M
T
T
S
P
S
P
A
S
I
G
/
D
T
A
S
I
G
/
D
T
P
O
W
A
A
T
/
S
L
C
A
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/
S
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A
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/
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S
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S
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C
M
T
T
S
P
S
P
A
S
I
G
/
D
T
A
S
I
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/
D
T
MM
DD
FF
//
DD
DD
FF
15A Single Module Power 2U15A Single Module Power 2U
100Ah Accumulator 7U100Ah Accumulator 7U
S
M
4
I
15A Single Module Power 2U15A Single Module Power 2U
Referring the module configuration
which carries this RSU, calculating
MPPP communication time-slots (total 2
pairs for 1 RSU (SU960N, SU960,
SU480, RSUC and RSUD).
Remote Subscriber Unit Config Note
s
S
P
S
P
S
L
C
S
L
C
S
L
C
S
L
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S
L
C
S
L
C
S
L
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S
L
C
S
L
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S
L
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S
L
C
S
L
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S
L
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S
L
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S
L
C
S
L
C
S
L
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S
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S
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P
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A
S
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P
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A
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I
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P
I
S
L
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S
L
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S
L
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S
L
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S
L
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S
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S
L
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S
L
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S
L
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S
L
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S
L
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S
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S
L
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S
L
C
S
L
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S
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S
L
C
S
L
C
S
L
C
123456789101112131415161718192021222324252627
123456789101112131415161718192021222324252627
SU960 Configuration
123456789101112131415161718192021222324252627
123456789101112131415161718192021222324252627
P
O
W
A
S
L
C
P
O
W
A
M
T
T
P
M
S
P
P
M
S
P
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
L
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S
L
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S
L
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S
L
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S
L
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S
L
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S
L
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S
L
C
S
L
C
S
L
C
S
L
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S
L
C
P
O
W
A
S
L
C
P
O
W
A
S
P
I
S
P
I
S
L
C
S
L
C
S
L
C
S
L
C
S
L
C
S
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S
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S
L
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S
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S
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S
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S
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S
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C
123456789101112131415161718192021222324252627
PMSP Board: Integrate the function of SP, DTI, REPD in
one.
Feature of SU960N: high concentration ratio (1:8), cost-
effective
SU960N Configuration
Remote Subscribers Module
SU480I (SU480E)
FAN
Subscriber Layer#1
Subscriber Layer #2
Transmission Layer
(Reserved)
Single Module Power#1
Single Module Power#2
Power Distribution Box
Accumulator
Monitoring Layer
M
u
l
t
i
-
f
u
n
c
t
i
o
n
M
D
F
P
O
W
E
R
A
S
L
C
2
S
L
C
3
S
L
C
4
S
L
C
5
S
L
C
6
S
L
C
7
S
L
C
8
S
L
C
9
S
L
C
10
M
T
T
S
P
1
S
P
2
S
L
C
1
D
T
I
1
D
T
I
2
P
O
W
E
R
A
S
L
C
2
S
L
C
3
S
L
C
4
S
L
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5
S
L
C
6
S
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7
S
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8
S
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9
S
L
C
10
M
T
T
S
P
I
1
S
P
I
2
S
L
C
1
D
T
I
1
D
T
I
2
O
D
T
1234567891
0
1
1
1
2
1
3
1
4
1
5
1
6
P
O
W
A
A
S
L
C
A
S
L
C
A
S
L
C
A
S
L
C
A
S
L
C
A
S
L
C
A
S
L
C
A
S
L
C
A
S
L
C
A
S
L
C
S
P
I
S
P
I
P
O
W
A
A
S
L
C
A
S
L
C
A
S
L
C
A
S
L
C
A
S
L
C
A
S
L
C
A
S
L
C
A
S
L
C
A
S
L
C
A
S
L
C
M
T
T
P
M
S
P
P
M
S
P
15A power supply
15A power supply
RSUC configurationRSUC configuration
ASLC
ASLC
SPI
ASLC
ASLC
MTT
POW
RSUD remote subscriber moduleRSUD remote subscriber module
ASLC
SSM
PMSP
DSLC
ESLC
MTT
POW
SNB
Capacity
single box 96 subscriber
double box 192 subscriber
Characteristic
environment monitor,primary
power monitor ,112
testing ,STM-1 interface
Power supply
-48V DC and 220V AC
Size Size
high * width *depth * width *depth
=410*216*420MM=410*216*420MM
33
;;
Multi module configuration flowchart
Initial capacity <20,000, RSM <= 10
Initial Capacity < 50,000 ,RSM <= 30
Initial Capacity > 50,000, C3
large capacity gateway/tandem,C2, C1
CM config
Analyzing the requirement
SM8 enough ?
SM8
SM16
SM64
SM32
Contact system administrator
SM16 enough ?
SM32 enough ?
SM64 enough ?
Y
Y
Y
Y
N
N
N
N
Four config methods: SM8, SM16, SM32, SM64
Using SM8 or SM16 for CM can support outer trunks.
Using SM32 or SM64 for CM can only carry switch
modules.
Capacity:
1,000,000 L
or 250,000 DTCM
SM
SM
OMM
LAN
SM
IAM
SM
SM
SM
Selection of Central Module (CM)
SM32/64 Configuration
32K Switching Network Board, 62 lines of 32M HW
64K Switching Network Board, 128 lines of 32M HW
Use for huge capacity multiple module networking
32K/64k Switching Network Board slot compatible
CM can not route out or load subscriber directly
SM32/64 Basic Data:
123456789101112131415161718192021222324252627
P
O
W
B
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
F
B
I
F
B
I
D
T
I
C
K
D
R
C
K
D
R
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
D
T
I
P
O
W
B
B
R
M
I
DT: 120 ports/ 4E1 per board
BRMI: CEILING(trunk board/16)
FBI: BRMI number*2
CKDR:Fixed 2
Remote Module Access Layer BRMI
32K Network Board (CDSN): fixed 2 pcs (64K CPSN)
Central Network Layer Backboard (BCN): fixed 1 pcs
Clock Communication Driving Board (CKCD): fixed 2 pcs
Power Board (POWS): fixed 2 pcs
Central Optical Interface Board (CFBI):
CFBI = CEILING((PSM FBI pairs number+BRMI amount)/4)*2
B
C
N
123456789101112131415161718192021222324
P
O
W
S
C
F
B
I
C
F
B
I
C
F
B
I
P
O
W
S
C
F
B
I
C
F
B
I
C
F
B
I
C
F
B
I
C
F
B
I
C
F
B
I
C
D
S
N
C
D
S
N
C
K
C
D
C
K
C
D
C
F
B
I
C
F
B
I
C
F
B
I
C
F
B
I
C
F
B
I
C
F
B
I
C
F
B
I
Central Network Layer BCN
B
C
T
L
123456789101112131415161718192021222324252627
123456789101112131415161718192021222324252627
P
O
W
B
S
M
E
M
MP
C
O
M
M
P
E
P
D
P
O
W
B
M
O
N
MP
C
O
M
M
C
O
M
M
C
O
M
M
C
O
M
M
C
O
M
M
P
O
W
B
S
M
E
M
MP
C
O
M
M
C
O
M
M
C
O
M
M
C
O
M
M
C
O
M
M
C
O
M
M
C
O
M
M
C
O
M
M
P
O
W
B
C
O
M
M
MP
C
O
M
M
C
O
M
M
C
O
M
M
C
O
M
M
C
O
M
M
BCTL: fixed 2 pcs, MSM 1pcs and SNM 1 pcs
MP: fixed 4 pcs,MSM 1 pair and SNM 1pair
SMEM: fixed 2 pcs
MON: equal to Rack number
PEPD:fixed 1 pcs
COMM: fixed 4 pcs for MSM and SNM semi-permanent connection
MPPP communication: CEILING (DTI1 +8)/32
MPMP communication:
CEILING(4*module number connected to CM/32)*2
Control Layer BCTL
B
C
T
L
MSM
B
N
E
T
123456789101112131415161718192021222324252627
P
O
W
B
C
K
I
S
Y
C
K
S
Y
C
K
P
O
W
B
Backboard of Network Layer (BNET): fixed 1 pcs
Clock Board (SYCK):fixed 2 pcs
Clock Interface Part
SM8
PSM1 RSM1……PSM3 RSM37……
16*8M
16*8M N*2M
N*2M
2 restrictions for networking: total 59 HW and 12 pcs COMM
Recommendation when subscribers capacity less than 20,000 lines
and remote modules less than 10
Erl
CM Networking Based on SM8
SM16
PSM1 RSM1……PSM7 RSM32……
16*8M
16*8M N*2M
N*2M
Two restrictions for networking:
total 123 HW and 12 pcs COMM
Recommendation when subscribers capacity less than
50,000 lines and remote modules less than 30
Networking Based on SM16 CM
SM16
SM8_1 SM4CSM8_2 SU960
16*8M 16*8M
9600L + 1200DT 2000DT 1000L + 300DT 900L
User Load 0.1 Erl,Trunk Load 0.8 Erl
Except SM8_2 using 200DT for R2 signaling,the
others using No.7 signaling
Config Conditions:
Multiple Module Networking Exercise
SM32
PSM RSM……PSM RSM……
16*8M
16*8M N*2M
N*2M
Two restrictions for networking: total 248 lines 8M HW
1) How many PSM and RSM can be supported by
SM32?
2) SM32 Networking Capacity?
Networking Based on SM32 CM
SM64
PSM RSM……PSM RSM……
16*8M
16*8M N*2M
N*2M
Two restrictions for networking: total 504 lines 8M HW
Networking Based on SM64 CM
1) How many PSM and RSM can be supported by
SM64?
2) SM64 Networking Capacity?