Cisco Systems MGX 8230 Connecting Power for DC Systems

4-11
Cisco MGX 8230 Edge Concentrator Installation and Configuration
Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001
Chapter4 Enclosure Installation Rack Mounting an MGX 8230
Connecting Power for DC Systems
DC power is connected to one or two DC PEMs located on the MGX 8230 chassis rear panel. You must
supply the wiring from the DC source(s) to the DC PEM(s). The wiring should be 10 AWG (4 square
millimeters).
Warning Be sure the power to the shelf is OFF at this point. DO NOT apply power until later.
To connect DC power to a DC MGX 8230, follow these steps:
Step 1 Locate the DC power entry module(s) on the rear panel of the MGX 8230.
There will be one or two DC P EMs installed and shipped with your MGX 8230 according to your or der.
Figure4-6 il lustrates the rear panel of an MGX 8230 with two DC P EMS, and Figure 4-7 illustrates the
rear panel of an MGX 8230 with one DC PEM.
Figure4-6 Rear View of MGX 8230 with Two DC PEMs
23827
48 VDC 30A
TB1
1
2
3
OFF
48 VDC 30A
TB1
1
2
3
OFF