Cisco Cisco GS7000 4-Port 1GHZ Node Installation Guide

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Appendix B 
Enhanced Digital Return Multiplexing Applications 
122 
 
 
The following diagram shows the fiber jumper connection for 2:1 transmitter.   
 
Note:   
1.  When removing faulty OPM module, press and remove the blue LC connecter 
before you can open the bale clasp.   
2.  OPM modules should be installed before installing the fiber jumper.