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Cisco MGX 8800/8900 Series Hardware Installation Guide
Releases 2 - 5.2, Part Number OL-4545-01, Rev. H0, May 2006
Chapter 1 Product Overviews
Cisco MGX 8850 and MGX 8850/B Switches
MPSM Slot Assignments and MPSM Licensing
Consult your Cisco Customer Engineering representative for information about characterizing the
quantity and placement of MPSM cards suitable for your network. For more information about MPSM
licensing, see the the Release Notes for Cisco MGX 8850 (PXM1E/PXM45), Cisco MGX 8950, and Cisco
MGX 8830 Switches, Release 5.2.00.
Cisco MGX 8850 and MGX 8850/B Switches
The Cisco MGX 8850 (PXM45) multiservice switch was introduced in October 2000, on MGX Release
2.0. It used a PXM45 controller card.
Another MGX 8850 model was introduced in June 2002, on MGX Release 3.0.00. This model uses the
new PXM1E controller card. Thus, starting with Release 3.0.00, for clarity, the controller card was added
to the MGX 8850 switch name. For example, MGX 8850 (PXM45) and MGX 8850 (PXM1E). The MGX
8850 (PXM45) and MGX 8850 (PXM1E) switches look very similar.
Another model, the MGX 8850/B was introduced in January 2005. This model also has a PXM45 version
and PXM1E version, depending on the controller card. Further, this switch supports 1:N redundancy
with the support of a factory-installed redundancy connector card(s). Figure 1-4 is an illustration of an
installed RCON in an MGX 8850/B.
6. Not supported on MGX 8850 (PXM45) or MGX 8850/B (PXM45) chassis.
7. Double-height card.
8. Not supported on MGX 8830 (PXM1E) or MGX 8830/B (PXM1E) chassis.
9. MGX8950-EXTDR-CON is required for AXSM-16-155-XG and AXSM-8-622-XG cards in the Cisco MGX 8950 chassis.
10. Configure the card for T1 or E1 mode using the cnfcdmode command.
11. Used for 1:N redundancy with RED-16-T1E1 in MGX 8850/B and MGX 8830/B chassis.
12. Supported on MGX 8850/B and MGX 8830/B only.
13. Not supported on MGX 8850 (PXM1E) or MGX 8850/B (PXM1E) chassis.
14. Bulk distribution is required if RCONs are installed in the upper slots.
15. A VXSM back card is installed in the lower bay only when intracard APS is in use.