2 BSC Subsystem
-
Upload
anoop-k-jayan -
Category
Documents
-
view
218 -
download
0
Transcript of 2 BSC Subsystem
-
8/19/2019 2 BSC Subsystem
1/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
ZXC10-BSC Sub-System
2004.10.3
-
8/19/2019 2 BSC Subsystem
2/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
Lesson Objectives:
General Study
H!S:Hi"#-s$eed nterconnection !outin" Subsystem
S%BS:Selector %ocoder Ban& Subsystem
'C(S:'ac&et Control (unction Subsystem
C'S:Call 'rocessin" Subsystem
C)S*S:C#annel )ata Service *nit Subsystem
+S:+imin" Subsystem
Subsystems o, BSC
-
8/19/2019 2 BSC Subsystem
3/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
General Study• BSC working environment requirement
Working temperature: 0°C ~+55°C
Working humidity: 15%~93%
The density of dust in the equipment room ith diameters of o!er 5"mshou#d $e 3&10' granu#es(m3)
• Power requirement* BSC )C $oer
* 1,o#tage amp#itude: The nomina# !o#tage !a#ue of the -.C poer supp#ied $y the poer equipment in the equipment room is /',) The permitted!ariation range is /5,~/'0,)
* 2The noise #e!e# inde 4ontained in the C poer !o#tage shou#d satisfythe requirement in the o!era## te4hni4a# spe4ifi4ations $y the former 67T)
3C poer shou#d pro!ide o!er/!o#tage
• BSC working environment requirementWorking temperature: 0°C ~+55°C
Working humidity: 15%~93%
The density of dust in the equipment room ith diameters of o!er 5"m
shou#d $e 3&10' granu#es(m3)
• Power requirement* BSC )C $oer*
1,o#tage amp#itude: The nomina# !o#tage !a#ue of the -.C poer supp#ied $y the poer equipment in the equipment room is /',) The permitted!ariation range is /5,~/'0,)
* 2The noise #e!e# inde 4ontained in the C poer !o#tage shou#d satisfythe requirement in the o!era## te4hni4a# spe4ifi4ations $y the former 67T)
3C poer shou#d pro!ide o!er/!o#tage
-
8/19/2019 2 BSC Subsystem
4/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
BSC .ec#anical Structure
--Center !ac&
HIRS
HIRS
CDSUS
CDSUS
CPS
CPS
TS
TS
-
8/19/2019 2 BSC Subsystem
5/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
BSC .ec#anical Structure
--%ocoder !ac&
SVBS
or
PCFS
-
8/19/2019 2 BSC Subsystem
6/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
.ec#anical (eatures* BSC com$rises t#e central rac& and t#e vocoder rac&/
* +#e central rac& and t#e vocoder rac& ado$ts t#e uni,iedrac&s and standard $lu"-in boes #ic# $rovide
di,,erent ,unctions due to t#e use o, di,,erent $lu"-inunis/
* 2ternal dimensions o, t#e rac& 3main body4 3H565)4:7000 mm5810 mm5900 mm
* Outline dimensions o, rac& 3a,ter installation o, to$ s#el,
and side board4 3H6)4: 7700mm8;0mm900mm* (rom to$ to bottom eac# rac& includes one distribution
$lu"-in bo ,unctional $lu"-in boes one ,an $lu"-inbo and dust-$roo, s#el,/ +#ere are t#ree ty$es o,,unctional $lu"-in boes/
* BSC com$rises t#e central rac& and t#e vocoder rac&/
* +#e central rac& and t#e vocoder rac& ado$ts t#e uni,iedrac&s and standard $lu"-in boes #ic# $rovide
di,,erent ,unctions due to t#e use o, di,,erent $lu"-inunis/
* 2ternal dimensions o, t#e rac& 3main body4 3H565)4:7000 mm5810 mm5900 mm
* Outline dimensions o, rac& 3a,ter installation o, to$ s#el,
and side board4 3H6)4: 7700mm8;0mm900mm* (rom to$ to bottom eac# rac& includes one distribution$lu"-in bo ,unctional $lu"-in boes one ,an $lu"-inbo and dust-$roo, s#el,/ +#ere are t#ree ty$es o,,unctional $lu"-in boes/
-
8/19/2019 2 BSC Subsystem
7/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
HIRS Subsystem is switchin cente! and "ac#et datae$chane "latfo!m of %SC.
&unctions of HIRS :
7a4ket data sit4hing
Timing distri$ution , monitor '(S
.oftare don#oading
8peration and maintenan4e management on the ho#e -..
HIRS Subsystem is switchin cente! and "ac#et datae$chane "latfo!m of %SC.
&unctions of HIRS :
7a4ket data sit4hing
Timing distri$ution , monitor '(S
.oftare don#oading
8peration and maintenan4e management on the ho#e -..
H!S
-
8/19/2019 2 BSC Subsystem
8/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
H!S S#el, Structure7.6-
6
6
6
6
6
6
6
6
6
C6
C6
6
6
6
6
6
6
6
6
6
6
6
7.6-
?C.: ?etor& Control .odule
?.: ?etor& nter,ace .odule
'S.B
'oer Su$$ly .odule
-
8/19/2019 2 BSC Subsystem
9/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
n$ut and Out$utinter,ace
Operate and maintain interface
H!S Subsystem
RS!! interface C"ock interface
-
8/19/2019 2 BSC Subsystem
10/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
#C$ is t%e core modu"e in &'RS s%e"f
)hen *C+ is in slot ,,-it must connect with "o!t of *I+
in slot / via the inte!nal se!ial bus on bac#"lane.
)hen *C+ is in slot ,0-it must connect with "o!t of *I+
in slot ,1 via the inte!nal se!ial bus on bac#"lane. 0 *C+ wo!#in mode2 active and standby
#C$ is t%e core modu"e in &'RS s%e"f
)hen *C+ is in slot ,,-it must connect with "o!t of *I+
in slot / via the inte!nal se!ial bus on bac#"lane.
)hen *C+ is in slot ,0-it must connect with "o!t of *I+
in slot ,1 via the inte!nal se!ial bus on bac#"lane. 0 *C+ wo!#in mode2 active and standby
?C.
-
8/19/2019 2 BSC Subsystem
11/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
.ajor ,unctions o, ?C. :
'ateway function2data !eceivin of C3 bus anddist!ibution of 4IS bus-!outin of data f!ame inside5outside ofthe local shelf
4ist!ibution of softwa!e of !es"ective modules andconfiu!ation info!mation6
&ault detection- isolation- !e"o!t and !ecove!y in HIRS
netwo!#6 '(S cloc# dist!ibution6
Se!vin as the fo!e!ound (C of %S+ to communicatewith the bac#!ound th!ouh ,75,77+b"s Ethe!net
.ajor ,unctions o, ?C. :
'ateway function2data !eceivin of C3 bus anddist!ibution of 4IS bus-!outin of data f!ame inside5outside ofthe local shelf
4ist!ibution of softwa!e of !es"ective modules andconfiu!ation info!mation6
&ault detection- isolation- !e"o!t and !ecove!y in HIRS
netwo!#6 '(S cloc# dist!ibution6
Se!vin as the fo!e!ound (C of %S+ to communicatewith the bac#!ound th!ouh ,75,77+b"s Ethe!net
?C. (unctions
-
8/19/2019 2 BSC Subsystem
12/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
?C. 'anel ndicator@nter,aceIndicator:
RUN:when module normal running,it quickflash
ALM:OFF indicates no fault
ACT:Active/Standby State
Interface:
TEST:Network interface,for debugging but
not connected in operations
RS-232:serial port, for debugging but not
connected in operationsRST:Manual resetting on boards
M/S:Manual Switching active/standby mode
on the foreground
-
8/19/2019 2 BSC Subsystem
13/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
;e4ei!e(send ;./'22 seria# data
;e4ei!e(send data through .C8
+ 1 redundan4y
C#o4k re4ei!ing and distri$uting
;eports modu#e orking states to C6 !ia
2C $us and a44epts C6 4ontro#
?. (unctions
-
8/19/2019 2 BSC Subsystem
14/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
NCM
NCM
2 3 4 5 6 7 8 9 10 13 1514 16 17 1918 20 2111 12
0 1 2 3 4 5 6 7 9 11 12 13 14 158
0
12
3
4
5
6
7
?ode address
10
'ort
?umber
Slot ?o/
?. Standby
Con,i"uration )irectionCon,i"uration )irection
?etor& address distribution
-
8/19/2019 2 BSC Subsystem
15/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
C6
C6
2 3 ' 5 < 9 10 13 151' 1< 1 191 20 2111 12
C6
C6
2 3 ' 5 < 9 10 13 151' 1< 1 191 20 2111 12
0 1 2 3 ' 5 < 9 = - C > ?
ode address
0
1
23
'5
<
7
o r t
a d
d
r e s s
.#ot o)
C'. ?etor& ddress
BSSd X , Sub?etd 0 , ?oded ; , 'ortd
;
;
?C. ?etor& ddress
BSSd X , Sub?etd 0 , ?oded
; , 'ortd 9 ;
?etor& address distribution3Cont/4
-
8/19/2019 2 BSC Subsystem
16/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
?. daisy c#ain?. :8 or&in" D 1 standby and c#an"eover
6
0 1 2 3 ' 5 < 9 10 11 12 13
C6
6
$a4kup 1' 15 $a4kup
-
8/19/2019 2 BSC Subsystem
17/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
?. 'anel ndicator?.
RUN
ALM
ACT
RST
;@: = green indi4atorA $#inking hen the $oard
orks norma##y)
=B6: = red indi4atorA #ighting up or $#inking in
4ase of $oard fai#ure)
=CT: = green indi4atorA #ighting up hen the
$oard is in master mode)
;.T: ;eset $utton)
-
8/19/2019 2 BSC Subsystem
18/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
S%BS--SelectorE%ocoder Band Subsystem
S(BS is t%e core part for ena)"ing voice services and
supporting SS* signa"ing $TP+ and $TP!,
8ude and im"lement soft handoff2 select a "ath in seve!al
soft handoff "ath by the 9uality fo! code ty"e conve!sion
Code ty"e conve!sion function2 It enables the conve!sion
between 1: (C+ codes and va!iable !ate of ;CE
-
8/19/2019 2 BSC Subsystem
19/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
S%BS S#el, Structure7.6-
.,6
.,6
.,6
.,6
.,6
.,6
.,6
.,6
.,C6
.,C6
.,6
.,6
.,6
.,6
.,6
.,6
.,6
.,6
7.6-
S%C.: Selector %ocoder nter,ace Control .odule
S%.: Selector %ocoder .odule
'S.B
'oer Su$$ly .odule
S%C.: Selector %ocoder nter,ace Control .odule
S%.: Selector %ocoder .odule
'S.B
'oer Su$$ly .odule
-
8/19/2019 2 BSC Subsystem
20/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
n$ut and Out$ut inter,ace
-E+ interfaces connected wit% $SC
S%BS Subsystem
Connected wit% #'$ via RS!! port
-
8/19/2019 2 BSC Subsystem
21/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
S%C. (unctionsS=HIRS2Communicate with HIRS *etwo!#
4ist!ibute fo!wa!d t!affic and sinalin ( S>+→S>IC+→ *I+ )
4ist!ibute !eve!se t!affic and sinalin ?S>+←S>IC+← *I+ )
4ist!ibute sinalin inte!io! S>%S ( S>+↔S>IC+ )
Receive and 4ist!ibute Cloc# and T34 messae
+anae and cont!ol S>+
Sinalin handlin
Code ty"e conve!sion between +SC and %SS via4TI
-
8/19/2019 2 BSC Subsystem
22/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
NIM
SVICM
U
gateway
SVCSVM
1
SVM
7
SVM
8
C8
.
C-@.
SVBS
DTI
6.C
时钟
2C
Clock
distribution
RS422
4*E1
4*HW
Structure o, S%C.
-
8/19/2019 2 BSC Subsystem
23/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
S%C. 'anel ndicator;@: ;unning indi4ator DgreenA $#inking duringoperationE
=B=;6: =#arm indi4ator DredA #ighting up hen asoftare error o44ursE
T0: 1st >1 4onne4tion indi4atorA #ighting up to indi4atethat the >1 #ink is 4onne4tsE
T1: 2nd >1 4onne4tion indi4atorA #ighting up to indi4atethat the >1 #ink is 4onne4tsE
T2: 3rd >1 4onne4tion indi4atorA #ighting up to indi4atethat the >1 #ink is 4onne4tsE
T3: 'th >1 4onne4tion indi4atorA #ighting up to indi4atethat the >1 #ink is 4onne4tsE
;.T: ;eset $utton)
;@9
=B6
5T0
5T1
5T2
5T3
;.T
T>.T
;.232
-
8/19/2019 2 BSC Subsystem
24/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
trans4oding $eteen 7C6 and FC>B7
re!erse outer/#oop poer 4ontro#
soft handoff
hand#e #ayer 3 of =$is interfa4e and #ayer 2 of ./95
signa#ing
assign the times#ot
S%. - Selector @ %ocoder
.odule
-
8/19/2019 2 BSC Subsystem
25/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
@ S>+ contain , S>( and ,A S>Es.
S>IC+ !eceive t!affic data f!om the RS=100 "o!t of *I+ then fo!wa!d to
S>+-S>( fo!wa!d to S>E-S>E t!anscodin to (C+ and send th!ouh
H)-in othe! di!ection-S>E t!anscodin (C+ to ;CERC-then
send to S>(-then to S>IC+-and then *I+.
Structure o, S%.
GW interfa4e
S%21
S%27
S%21>
ata nterfa4e
maintenan4e $us
4#o4k interfa4e
S %'
-
8/19/2019 2 BSC Subsystem
26/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
S%. 'anelndicator
RB*2 Runnin indicato! ?!een- blin#in
du!in wo!#in no!mally6
@
-
8/19/2019 2 BSC Subsystem
27/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
'C(S-'ac&et Control (unction Subsystem Each BSC can support 10 PCFS subsystems.
Each PCFS subsystem comprises 1 PCFIM board and 8
PCF boards.
Each PCFS subsystem is connected with the PDSN via
PCFIM board, and provides a 10M/100M self-adaptive
physical Ethernet interface through the PCFIM board.
Each PCFS subsystem can carry 4000 PPP connections
(Dormant+Active), and 240 activated PPP connections (total
number of active ones).
Each BSC can support 10 PCFS subsystems.
Each PCFS subsystem comprises 1 PCFIM board and 8
PCF boards.
Each PCFS subsystem is connected with the PDSN via
PCFIM board, and provides a 10M/100M self-adaptive
physical Ethernet interface through the PCFIM board.
Each PCFS subsystem can carry 4000 PPP connections
(Dormant+Active), and 240 activated PPP connections (total
number of active ones).
-
8/19/2019 2 BSC Subsystem
28/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
'C(S (unctions
To Select a service path with best quality among multiple soft
handover paths for data GRE encapsulation.
Enables adaptation between GRE data packets and RLP datapackets;.
To establish, configure and maintain A8 and A10 links via A9
and A11 interfaces.
To establish PPP link between MS and PDSN to enable packet
data service transmission.
To Select a service path with best quality among multiple soft
handover paths for data GRE encapsulation.
Enables adaptation between GRE data packets and RLP data
packets;.
To establish, configure and maintain A8 and A10 links via A9
and A11 interfaces.
To establish PPP link between MS and PDSN to enable packet
data service transmission.
-
8/19/2019 2 BSC Subsystem
29/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
'C(S S#el, Structure
7
C
?
7
C
?
:
6
7
.
6
-
7
.
6
-
7
C
?
7
C
?
7
C
?
7
C
?
7
C
?
7
C
?
7
C
?
7
C
?
7
C
?
7
C
?
7
C
?
7
C
?
7
C
?
7
C
?
:
6
7
C
?
7
C
?
12
3 ' 5 < 9 10 11 12 13 1' 15 1< 1 1 19 20 21 22
-
8/19/2019 2 BSC Subsystem
30/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
n$ut and Out$ut nter,ace
PCFS provides a 10M/100M fast Ethernet interface to be
connected with PDSN.
PCFS provides a RS422-port to be connected with HIRS
switching network.
PCFS provides a 10M/100M fast Ethernet interface to be
connected with PDSN.PCFS provides a RS422-port to be connected with HIRS
switching network.
-
8/19/2019 2 BSC Subsystem
31/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
C7. is a Hoint point of -.. systemIs resour4e
management and 4a## signa#ing proto4o#
pro4essing)
C7. 4omprises to modu#es:C76 and 7=6)
C7. is a Hoint point of -.. systemIs resour4e
management and 4a## signa#ing proto4o#
pro4essing)
C7. 4omprises to modu#es:C76 and 7=6)
C'S-Call 'rocessin" Subsystem
-
8/19/2019 2 BSC Subsystem
32/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
C'S Board7.
6-
C
.@
C
.@
C
.@
C
.@
C
.@
C
.@
C
.@
C
.@
C
.@
C
.@
C
.@
C
.@
C7
6
C7
6
7=
6
J
7
.T
6
TC
6
J
7
.T
6
7.
6-
-
8/19/2019 2 BSC Subsystem
33/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
Gand#e the signa#ing of =$is interfa4e
;adio resour4e maintenan4eAmanagement and distri$ution
Trunk resour4e management
pro!ides = signa#ing interfa4e) t fu#fi##s = interfa4e startup andre/startupA = interfa4e prote4ti!e sit4hingA a4ti!ation of fai#ing
data #inkA 4ontro# of #ink #a$e#sA and de#i!ery of = messages)
Contro# o!er #oading of -..Eprodu4e the message of = and =-.
interfa4e:esta$#ish the signa#ing #ink to CC6 and .,C6
6anage the data$ase of -..Ain4#ude the parameters of -..
systemAground 4ir4uit resour4eAtraffi4 4hanne# resour4eA4a##ing
re4ordAperforman4es re4ordAhandoff re4ord and so on)
Gand#e the signa#ing of =$is interfa4e
;adio resour4e maintenan4eAmanagement and distri$ution
Trunk resour4e management
pro!ides = signa#ing interfa4e) t fu#fi##s = interfa4e startup andre/startupA = interfa4e prote4ti!e sit4hingA a4ti!ation of fai#ing
data #inkA 4ontro# of #ink #a$e#sA and de#i!ery of = messages)
Contro# o!er #oading of -..Eprodu4e the message of = and =-.
interfa4e:esta$#ish the signa#ing #ink to CC6 and .,C6
6anage the data$ase of -..Ain4#ude the parameters of -..
systemAground 4ir4uit resour4eAtraffi4 4hanne# resour4eA4a##ing
re4ordAperforman4es re4ordAhandoff re4ord and so on)
C'S (unctions
-
8/19/2019 2 BSC Subsystem
34/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
n$ut and Out$ut inter,ace o, C'S
C'S Subsystem
?. ; $ort
RS RS 85
larm bo
RS 85
Connect to $oer modules o, seven rac&s
-
8/19/2019 2 BSC Subsystem
35/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
Hardare ,eature o, C'.=44ording to the softare fun4tion of C76AC76
shou#d ha!e the Gardare features $e#o :C7. su$/system is a Hoint point of -.. systemIs resour4e
management and 4a## signa#ing proto4o# pro4essingApro4essing a##
the signa#ingAso the C76 shou#d $e poerfu#)
The C76 is 1+1 hot stand$y
=44ording to the softare fun4tion of C76AC76
shou#d ha!e the Gardare features $e#o :
C7. su$/system is a Hoint point of -.. systemIs resour4emanagement and 4a## signa#ing proto4o# pro4essingApro4essing a##
the signa#ingAso the C76 shou#d $e poerfu#)
The C76 is 1+1 hot stand$y
-
8/19/2019 2 BSC Subsystem
36/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
C'. 'anel
;@:running indi4ation
=B6:error status indi4ation
=CT:greenAa4ti!e status indi4ation
6(.:a4ti!e(stand$y sit4h
;.T:reset
T>.T1:>thernet de$ugging interfa4e
;@
=B6
=CT
6 (.
;.T
T>.T
;un indi4ator
?au#t indi4ator
=4ti!e(stand$y indi4ator
=4ti!e(stand$y sit4hing key
;eset key
>thernet de$ugging interfa4e
-
8/19/2019 2 BSC Subsystem
37/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
'. (unctionsmonitor the running status of the poer supp#ymodu#es in the -.C/side frames and the equipment roomen!ironment signa#sA in4#uding temperatureA humidityAsmokeA and so on)
report the resu#t to the $a4kground operation andmaintenan4e 4onso#e through the C6 for pro4essingE
pro!ides dup#e ;.232 and ;.'5 interfa4es for the4onne4tion of eterna# monitoring de!i4es and a#arm
$o)
-
8/19/2019 2 BSC Subsystem
38/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
C)S*S--C#annel )ata Service *nit Subsystem
1) Con!ert signa# $eteen ;./'22 interfa4e and non/4hanne#iKed >1Atransfer signa#ing and traffi4 data
$eteen -.C and -T.)
2) -.C/C.@ and -T./C.@A ha!e the samehardare stru4ture
1) Con!ert signa# $eteen ;./'22 interfa4e and non/4hanne#iKed >1Atransfer signa#ing and traffi4 data
$eteen -.C and -T.)
2) -.C/C.@ and -T./C.@A ha!e the same
hardare stru4ture
-
8/19/2019 2 BSC Subsystem
39/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
C)S* 'anel;@
=B6
T0
T1
;.T
;@ ;unning
=B=;6 =#arm
T0 .yn4hroniKation =
T1 .yn4hroniKation -
;.T ;eset -utton
-
8/19/2019 2 BSC Subsystem
40/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
S....'n C/$0 system1 BSC communicates wit% BSC via
0S$ )oard to ena)"e inter.BSC soft %andoff, T%e
communication "ink is connected to BSCs via E+ "ink,
...0ccording to different )andwidt% provided )y t%e
communication "ink1 0S$ )oard is c"assified into 0S$
)oard providing !-E+ trunk and 0S$ )oard providing
-E+ trunk,
...'n C/$0 system1 BSC communicates wit% BSC via
0S$ )oard to ena)"e inter.BSC soft %andoff, T%e
communication "ink is connected to BSCs via E+ "ink,
...0ccording to different )andwidt% provided )y t%e
communication "ink1 0S$ )oard is c"assified into 0S$
)oard providing !-E+ trunk and 0S$ )oard providing
-E+ trunk,
-
8/19/2019 2 BSC Subsystem
41/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
+S--+imin" Subsystem
0ccording to t%e C/$0 standard1BSC and BTSindependent"y sync%roni2ation t%e timing signa"
provided )y 3PS,
Timing su)system provides suc% timing signa"4
D((0S
D,chi"s : ,/.7+Hz
DT34 messae
0ccording to t%e C/$0 standard1BSC and BTSindependent"y sync%roni2ation t%e timing signa"provided )y 3PS,
Timing su)system provides suc% timing signa"4
D((0S
D,chi"s : ,/.7+HzDT34 messae
-
8/19/2019 2 BSC Subsystem
42/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
' ( S
T +
H I R S ,
* C +
* C +
H I R S 0
* C +
* C +
S > I C +
S > I C +
1 9 . 6 6 0 8 M H z 1 0 M H z ! ! 2 S
T " #
1 9 . 6 6 0 8 M H z
1 0 M H z ! ! 2 S
T " #
1 . 2 2 8 8 M H z
! ! 2 S T " #
1 . 2 2 8 8 M H z
! ! 2 S T " #
1 . 2 2 8 8 M H z ! ! 2 S
T " # T $ % & ' " & (
R $ % & ' " & (
1 . 2 2 8 8 M H z ! ! 2 S
8 ( H z 2 M H z 5 0 H z T " #
* I +
* I + S > +
S > +
1 . 2 2 8 8 M H z ! ! 2 S
T " # T $ % & ' " & (
R $ % & ' " & (
1 . 2 2 8 8 M H z ! ! 2 S
8 ( H z 2 M H z 5 0 H z
T " #
% S C F C 4 S
B
C ( +
' ( S
T +
'
(S
T
+
%
(
TC
M
+imin" distributin" o, BSC
-
8/19/2019 2 BSC Subsystem
43/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
+SBo
7.
6-
C
.@
C
.@
C
.@
C
.@
C
.@
C
.@
C
.@
C
.@
C
.@
C
.@
C
.@
C
.@
C7
6
C7
6
7=
6
G
'S
+
.
+C
.
G
'S
+
.
7.
6-
-
8/19/2019 2 BSC Subsystem
44/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
+C. (unctions
TCM board mainly provides the following functions:
1. It receives clock signals of active and standby GPSTMs;
2. It synthesizes and distributes 10MHz signals;3. It receives 16CHIP and PP2S signals of active and standby
GPSTMs;
4. It implements phase-lock on 16CHIP signal;
5. It generates new PP2S.
TCM board mainly provides the following functions:
1. It receives clock signals of active and standby GPSTMs;
2. It synthesizes and distributes 10MHz signals;
3. It receives 16CHIP and PP2S signals of active and standby
GPSTMs;
4. It implements phase-lock on 16CHIP signal;
5. It generates new PP2S.
-
8/19/2019 2 BSC Subsystem
45/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
+C. 'anel;@ green Bights up hen the TC6 orks norma##y=B6 red Bights up hen the TC6 orks a$norma##y
B8CL green Bights up hen the TC6 is #o4ked
CBL: an .6= so4ketA used for monitoring of the TC6Is 1
-
8/19/2019 2 BSC Subsystem
46/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
G'S+. (unction
G'S+. receives 1''S si"nal ,rom G'S receiver and "enerates ''7S si"nal
19CH' si"nal 10.HF si"nal and +O) si"nal via $#ase-loc& ,or t#e usa"e o,
t#e system/ n case G'S+. cannot ,ind t#e satellite it $rovides t#e #old-over,unction/ ccordin" to t#e s$eci,ications t#e ander o, t#e board s#ould not
be over ;ms in 7 #ours in t#is system G'S+. im$lements less t#an >ms
ander in days/ G'S+. also im$lements activeEstandby automatic
sitc#in"/ t can detect and re$ort board or&in" states/
G'S+. receives 1''S si"nal ,rom G'S receiver and "enerates ''7S si"nal
19CH' si"nal 10.HF si"nal and +O) si"nal via $#ase-loc& ,or t#e usa"e o,
t#e system/ n case G'S+. cannot ,ind t#e satellite it $rovides t#e #old-over,unction/ ccordin" to t#e s$eci,ications t#e ander o, t#e board s#ould not
be over ;ms in 7 #ours in t#is system G'S+. im$lements less t#an >ms
ander in days/ G'S+. also im$lements activeEstandby automatic
sitc#in"/ t can detect and re$ort board or&in" states/
J7.T6 TC6
1
-
8/19/2019 2 BSC Subsystem
47/48
ZTE University www.univ.zte.com.cnwww.univ.zte.com.cn ZTE Confidential
G'S+.
;un indi4ator
=4ti!e(stand$y indi4ator
ndi4ation of sear4hing for sate##ite
;.T
?au#t indi4ator
;eset key
7oer sit4h
1
177.=6
=6
CBL
7W;
RS232
-
8/19/2019 2 BSC Subsystem
48/48
+#e 2nd