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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
Chapter1 Product Overviews
Cisco MGX 8850 and MGX 8850/B Switches
Caution Although the PXM1E-4-155 does not need an APS connector to supp ort APS line redundancy, it is
recommended that you install the PXM1E-4-155 in an APS connector to support a seaml ess upgrade to
the PXM1E-8-155 card.
For information on APS software configuration, refer to the software configuration guide that matches
your MGX switch name and release. The “Obtaining Documentation” section explains how to find these
documents online.
DC Power Entry Module
The MGX 8850 or MGX 8850/B switch can accept power from a – 48 VDC (–42 to –56 VDC) source
that connects to one (primary) or two (secondary/redundant) –48 VDC PEMs. Each DC PEM must be
connected to a dedicated 60 A regulated source. Figure 1-15 shows a close-up of the DC PEM faceplate.
AXSM-16-155 Yes Yes
AXSM-16-155/B Yes Yes
AXSM-8-622-XG Yes Yes
MPSM-T3E3-155 Yes No
PXM1E-4-155 Recommended Recommended
PXM1E-8-155 Yes Yes
SRME Yes No
1. Not supported with MGX 8850/B (PXM1E) switch
Table1-6 APS Connector Support for MGX 8850 or MGX 8850/B Switch Modules
Module
MGX-8850-APS-CON
(MGX 8850 and MGX 8850/B)
MGX-APS-CON
(MGX 8850 only)