Cisco Prisma II bdr Dig Rev 2 1 Dual Mux Sys for High Density Installations Installation Guide

 

Introducing the Enhanced Digital Reverse Modules 

78-741939-01 Rev C 

1-4 

 Continued 

The 2:1 enhanced multiplexing digital module works in conjunction with the laser 

module to digitize and transmit reverse path signals. The 2:1 enhanced multiplexing 

digital module accepts separate signals from the four RF signal ports and a fifth 

signal from the optional status monitor module. It digitizes and multiplexes the 

signals into one 2.5 Gbps bitstream.  
Internally, the signals of the two lower RF input connections are combined to 

provide a single RF signal. Similarly the signals of the two top RF input connections 

are combined and further coupled with the Status Monitoring Input signal to 

provide a second RF signal.  
This is an illustration of the 2:1 enhanced multiplexing digital module showing the 

connection points.