Dc Power Entry Module; Figure - Cisco MGX MGX 8800 Hardware Installation Manual

Cisco MGX 8850 and MGX 8850/B Switches
Table 1-6
Module
AXSM-16-155
AXSM-16-155/B
AXSM-8-622-XG
MPSM-T3E3-155
PXM1E-4-155
PXM1E-8-155
SRME
1. Not supported with MGX 8850/B (PXM1E) switch
Although the PXM1E-4-155 does not need an APS connector to support APS line redundancy, it is
Caution
recommended that you install the PXM1E-4-155 in an APS connector to support a seamless 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
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.
Cisco MGX 8800/8900 Series Hardware Installation Guide
1-30
APS Connector Support for MGX 8850 or MGX 8850/B Switch Modules
MGX-8850-APS-CON
(MGX 8850 and MGX 8850/B)
Yes
Yes
Yes
Yes
Recommended
Yes
Yes
"Obtaining Documentation"
MGX-APS-CON
(MGX 8850 only)
Yes
Yes
Yes
No
Recommended
Yes
No
section explains how to find these

Figure 1-15

shows a close-up of the DC PEM faceplate.
Releases 2 - 5.2, Part Number OL-4545-01, Rev. H0, May 2006
Chapter 1 Product Overviews