Fluke DSP-4100 - Page 7

Contents (continued)
iii
Nominal Velocity of Propagation (NVP).................................................................... 7-19
NVP and Length Measurements .......................................................................... 7-20
NVP Calibration................................................................................................... 7-20
High-Definition Time Domain Reflectometry (HDTDR)........................................... 7-20
Reflections from Opens........................................................................................ 7-21
Reflections from Shorts........................................................................................ 7-22
Reflections from Other Anomalies ...................................................................... 7-22
Cable Termination................................................................................................ 7-23
Interpreting the HDTDR Plot............................................................................... 7-23
ACR ............................................................................................................................ 7-24
RL................................................................................................................................ 7-26
Troubleshooting Basics............................................................................................... 7-27
8 Maintenance and Specifications ................................................................. 8-1
Getting Software Upgrades......................................................................................... 8-1
Maintenance................................................................................................................ 8-1
Cleaning and Storage ........................................................................................... 8-2
Replacing the NiMH Battery Pack....................................................................... 8-2
Internal Lithium Backup Battery.......................................................................... 8-3
If the Test Tool Fails................................................................................................... 8-3
Service Center Repair .......................................................................................... 8-3
Replacement Parts................................................................................................ 8-5
Options and Accessories ...................................................................................... 8-6
Specifications.............................................................................................................. 8-8
Calculated Measurement Accuracy...................................................................... 8-8
Traceable Calibration Period................................................................................ 8-8
Self-Calibration Period ........................................................................................ 8-8
Compatibility with Remotes and Link Interface Adapters................................... 8-9
Standard Link Interface Adapters ........................................................................ 8-9
Cable Types Tested.............................................................................................. 8-10
Test Standards...................................................................................................... 8-11
Time for Autotest................................................................................................. 8-11
Length.................................................................................................................. 8-12
Propagation Delay................................................................................................ 8-12
Delay Skew.......................................................................................................... 8-12
DC Loop Resistance Test..................................................................................... 8-12
Measurement Accuracy as Specified in Relevant Standards................................ 8-13
Typical Measurement Accuracies........................................................................ 8-14
HDTDX

Analyzer Specifications for Cables <100 m (328 ft).......................... 8-18
HDTDR

Specifications for Cables <100 m (328 ft) ......................................... 8-18
Impulse Noise ...................................................................................................... 8-18
Characteristic Impedance..................................................................................... 8-18
LAN Traffic Monitoring ...................................................................................... 8-19
Tone Generator .................................................................................................... 8-19
Serial Interface..................................................................................................... 8-19
PC Interface Cable ............................................................................................... 8-20