5 Card
5.1.3
Classification
Cards on the CiTRANS R820 can be classified by function into the service cards,
core switch cards, and power cards. Table 5-2 describes how these cards are
classified.
Table 5-2
Classification of Cards
Type
Card
Meaning
Core switch card
SCUS1
Router System Control Unit
SCUS2
Router System Control Unit2
SCUS3
Router System Control Unit3
Power card
PWRS1
Power Supply Terminal Card
Service card
MSS1
Octal Port Ethernet Mixed Interface Card
MSS2
Four Port Ethernet Mixed Interface Card
MSS3
Two Port Ethernet Mixed Interface Card
E1S1
16 E1 Line Card with CES
5.1.4
Positioning of Cards in the System
Figure 5-5 shows the positioning of the CiTRANS R820 cards in the system. For
details about cards, see the later descriptions about cards.
Version: A
5-5
