Ingress Troubleshooting High Pass Filter Effect Reverse Spectrum

Ingress Troubleshooting

High Pass Filter Effect • Reverse Spectrum at the output of the optical • Reverse Spectrum shot at receiver before and after the high pass filter was customer's drop coming from added to customer's older TV set 2 © 2005 JDSU. All rights reserved.

Taps - Probe the Seizure Screws for Ingress & CPD If the problem is at the FWD Output of tap, continue on towards end of line If the problem is at the FWD Input and not the FWD Output, then the problem is likely from one of the drops Forward Path Return Path Disconnect one drop at a time to determine the point of entry 3 © 2005 JDSU. All rights reserved.

Taps are made up of a Directional Coupler and Splitters Use seizure screw probes

Taps are made up of a Directional Coupler and Splitters Probe the seizure screws for ingress 4 Port Tap Disconnect one drop at a time to determine the point of entry 5 © 2005 JDSU. All rights reserved.

Path. Trak™ Field View Option Path. Trak Field View option combined with JDSU meters provides a complete “Find & Fix” field troubleshooting solution • • • 6 Path. Trak Field View option on SDA and DSAM platform enables techs to greatly reduce MTTR (Mean Time to Repair), which increases customer satisfaction and loyalty Path. Trak Field View option for DSAM provides a programmable CW carrier to aid in troubleshooting return problems Both SDA and DSAM have low pass filter for troubleshooting bi-directional test points © 2005 JDSU. All rights reserved.