Cisco Systems 8220 User Manual
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Cisco MGX 8220 Installation and Configuration
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
Chapter
Core Module Overview
Cisco MGX 8220 ASC Shelf Controller
The Cisco MGX 8220 shelf controller (ASC) is a two-card set consisting of an ASC front card and an
ASC-BC back card. The shelf can contain a single ASC card set or a dual (redundant) card set.
ASC-BC back card. The shelf can contain a single ASC card set or a dual (redundant) card set.
The ASC provides overall control of the shelf through the cell bus. The ASC back card provides console
ports for a user interface to configure and manage the shelf.
ports for a user interface to configure and manage the shelf.
The ASC cards are installed in slot 3 and or slot 4. An illustration of the ASC card set is provided in
Figure 2-11.
Figure 2-11.
Figure 2-11 ASC Cards
ACT
STBY
FAIL
LAN
ASC
• • • • •
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••
•••••••
ASC
L
A
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U
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U
I
••••••••••••• ••••••••••••
••••••••••••• ••••••••••••
M
A
I
N
T
E
N
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C
E
A
I
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T
E
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A
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C
E
C
O
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R
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L
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Front card
Back card
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