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RNC 3820 Cabinet Hardware Location
A ESs
B MS
C APP
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MS Functions
An RNC always includes an MS. The MS interconnects all other subracks inthe RNC and includes all unctions o an ES! as well as unctions co""onto the RNC. #unctions o the MS co"$rise the ollowin%&
Ter"ination o the Mur interace with 'SS(RC
Ter"ination o the )u interace with the CN
Ter"ination o the )ur interace with another RNC
Ter"ination o the )ub interace with the RBSs
*istribution o broadcast inor"ation to all in+ol+ed subracks *istribution o broadcast inor"ation to all in+ol+ed RBSs within a subrack
E,ternal trans"ission interaces
Attach"ent o synchroni-ation sources
*u$licated non(blockin% cell switch
*u$licated hi%h(s$eed links to interconnect with the ESs *u$licated ti"in% si%nals or the node
)n$ut or PS si%nals
Pool o $rocessors or user $lane $rocessin% and control
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ES Functions
ESs has interaces with the RBSs. The unctionso an ES co"$rise the ollowin%&
Ter"ination o the )ub interace with the RBSs
*istribution o broadcast inor"ation to all in+ol+edRBSs within a subrack
E,ternal trans"ission interaces *u$licated hi%h(s$eed links between subracks
and the MS
*u$licated non(blockin% cell switch Pool o $rocessors or user $lane $rocessin% andcontrol
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RNC 3820 ES
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GPB BOARD
Main Processor Board.
)t contains and e,ecutes the "ain $art o the RNC sotware.
)n the MS! our PB $airs are du$licated to $ro+ide redundancy.
'ne Acti+e / another is standby ((( other are in $ool.
The PB contains a lash disk dri+e
The PB is e0ui$$ed with Ethernet and asynchronous serial interaces
accessible ro" the board ront $anel.
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SCB
Cell switch core unctionality
Circuits or Syste" Clock 123.44 M5-6distribution
)nteraces or node(internal links
)nteraces or an su$er+ision and control
)nteraces or PS inor"ation
Power ilterin% and distribution '+er(te"$erature $rotection or subracks
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TUB
)nterace or e,ternal clock in$ut 1an
alternati+e to the trans"ission clock6 )nterace or PS si%nal in$ut
eneration o reerence ti"in% si%nals
Re%eneration o reerence ti"in% si%nals
Stabili-ation o reerence ti"in% si%nals
5andlin% o node synchroni-ation $rocedures
Syste" Clock oscillator 123.44 M5-6
T7B is du$licated to $ro+ide redundancy.
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SPB In RNC 3820 only one tye o! SPB is suo"te#$
SPB3 %it& !i'e "ocesso"s( E)c& "ocesso" is
lo)#e# %it& one o" *o"e o! t&e !ollo%in+)lic)tions$
Packet *ata Router 1P*R6! ter"inates the TP(7$rotocol towards the Packet CN.
Co""on Channel! ter"inates coni%ured radiochannels! or e,a"$le #AC5.
*edicated Channel! ter"inates dyna"ic radiochannels! or e,a"$le *C5! with or without 58acceleration.
Point to "ulti$oint ( )u! MBMS strea" "ulticastin%between subracks.
Point to "ulti$oint ( )ub! MBMS strea" "ulticastin%towards RBSs! runs with *C5 a$$lication.
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Co""on Main Switchin% Board
1CM9B6!
Management RS232 and 1000 Base-T for port I
(used for authorized user internal debugging onl!
" #thernet $onne$tor for port "
% #thernet $onne$tor for port %
& #thernet $onne$tor for port &
# #thernet $onne$tor for port #
' #thernet $onne$tor for port ' #thernet $onne$tor for port
B #thernet $onne$tor for port B
) #thernet $onne$tor for port )
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