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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
Rules for Installation of SRMs
The installation of an SRM is optional. If SRMs are installed in a shelf with redundant ASCs and BNMs,
the shelf must also have redundant SRMs. If a shelf has a single ASC and BNM pair (no redundancy),
the SRM must be installed in the appropriate slot.
• The SRM is installed in slot 15 when the non-redundant ASC/BNM is installed in slot 1 and slot 3.
• The SRM is installed in slot 16 when the non-redundant ASC/BNM is installed in slot 2 and slot 4.
• When a failed card is replaced, you must switch back to normal operation; it is not automatic.
• SRMs are hot-pluggable.
Figure 2-17 SRM-T1/E1 Card
SRM
T1E1
1:N RED
BERT
• • • • •
ACT
STBY
FAIL
Front card
S6180