basic element of SGSN basic and expansion subrack

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shahanj   白金会员    发表于 2014-5-29 21:23:45   最新回复:2014-05-29 21:23:45

Basic subrack

?Mandatory
?Only one subrackin each system
?Contain one pair O&M board with other service and system board
?Expansion Subrack
?Optional
?Depend on system design or service demand

?Mainly contain service and other system board

Expansion Subrack
?Optional
?Depend on system design or service demand
?Mainly contain service and other system board


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