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Rack Mounting an MGX 8230
Figure 4-7
Locate the pluggable terminal block (TB1) on the DC PEM to which you are connecting source power.
Step 2
Figure 4-8
Note the polarities of the TB1 connection points.
Step 3
Figure 4-9
with 1 on the left and go to 3. The connection at the left is for the –48 VDC wire. The middle wire is
Safety Ground. The connection at the right is for the positive return wire (for the –48 VDC).
Cisco MGX 8230 Edge Concentrator Installation and Configuration
4-12
Rear View of MGX 8230 with 1 DC PEM
DC Power Entry Module, Rear View
illustrates the polarity of each connection on the pluggable terminal block. The numbers start
Chapter 4
Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001
Enclosure Installation
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