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Cisco MGX 8950 Hardware Installation Guide
Release 3, Part Number 78-14147-02 Rev. A0, November 2002
Chapter 1 Product Overview
Cisco MGX 8950 Switch Compartment
Cisco MGX 8950 Switch Compartment
The Cisco MGX 8950 switch has 32 single-height slots in a compartment card cage that holds cards and
modules. The single-height slots can be converted to double-height slots by removing the midrail
dividers. Each slot on the front of the switch is numbered and has a corresponding slot located on the
back of the switch. There are 32 front card slots and 32 back card slots. Slots 1 through 16 are in the top
bay and slots 17 through 32 are in the bottom bay of the switch.
Table 1-1 gives each module slot assignment for the Cisco MGX 8950 switch.
Module Configurations
This section provides details about the following Cisco MGX 8950 switch module configurations:
• Standalone, page 1-4
• Card Set Redundancy (Y-Cable), page 1-4
• APS Line Redundancy, page 1-4
• 1:N Card Set Redundancy, page 1-6
Note To enable the configurations in this section, the software must be configured. Refer to the appropriate
software configuration guide for your switch.
Ta b l e 1-1 Cisco MGX 8950 Slot Assignment
Module Slot
Number
Module Slot Assignment (Front View) Module Slot Assignment (Back View)
1 to 6 Six double-height slots for AXSMs and RPMs Six single-height slots reserved for AXSM and RPM
back cards
7 to 8 Two double-height slots reserved for the
PXM45s
Two single-height slots reserved for the PXM-UI-S3
back cards
9 to 10 Two single-height slots reserved for XM-60s Empty
11 to 16 Six double-height slots for AXSMs and RPMs Six single-height slots reserved for AXSM and RPM
back cards
17 to 22 Occupied by the AXSMs and RPMs that are
installed in slots 1 to 6
Six single-height slots reserved for AXSM and RPM
back cards
23 to 24 Occupied by the double-height PXM45s Two single-height slots reserved for the PXM-HD
back cards
25 to 26 Two single-height slots reserved for XM-60s Empty
27 to 32 Occupied by the AXSMs and RPMs that are
installed in slots 11 to 16
Six single-height slots reserved for AXSM and RPM
back cards