Cisco Model GS7000 4-Port Node 1 GHz with 42 54 Split Installation Guide

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Appendix C 
Enhanced Digital Return Multiplexing Applications 
202 
OL-29643-02 
The following illustrations show the location of the modules in the node. 
For EDR 1:1 Transmitter Module 
 
Note: This example shows four transmitter modules installed in the node, which 
requires a 4x4 Reverse Configuration Module.