Cisco Prisma II bdr Dig Rev 2 1 Dual Mux Sys for High Density Installations Installation Guide
78-741939-01 Rev C Reverse Balancing the Node with the Enhanced Digital Reverse Modules
3-1
Chapter 3
Reverse Balancing the Node with the Enhanced Digital Reverse
Modules
Overview
In This Chapter
This chapter explains the reverse balancing procedures for the node with the digital
reverse modules.
CAUTION:
Never attempt to reconfigure the unit beyond its normal setup. Changes to the
node’s configuration may cause degradations that affect its performance. Do not
use digital carrier measurement to set up the forward or reverse paths.
Familiarize yourself with your cable system’s specifications before performing
the setup.
This chapter contains the following topics.
Topic
See Page
Preparing for Reverse Balancing
3-2
Port Combination Options
3-5
Reverse Balancing Procedure
3-7
Verifying Hardware Security
3-10
Important: To setup and balance the enhanced digital reverse modules with the
Model 6940 4-Port Node or the Model 6944 Optical Node, make sure you have the
following installation and operation guides.
•
Prisma Optical Networks Model 6940 4-Port Optoelectronic Node, part number 592555
•
Prisma Optical Networks Model 6944 Optoelectronic Node, part number 716068