Return Loss (RL) ................................................................................................. 3-21
RL@REMOTE .................................................................................................... 3-23
PSNEXT (Power Sum NEXT) and PSNEXT@REMOTE .................................. 3-23
PSELFEXT (Power Sum ELFEXT) .................................................................... 3-23
PSACR (Power Sum ACR) and PSACR@REMOTE ......................................... 3-23
Autotest on Coaxial Cabling ....................................................................................... 3-23
Characteristic Impedance ..................................................................................... 3-25
Resistance............................................................................................................. 3-26
Length .................................................................................................................. 3-26
Anomaly............................................................................................................... 3-26
Saving Autotest Results .............................................................................................. 3-27
Saving Results with Auto Sequence Disabled ..................................................... 3-27
Changing the Cable ID for a Saved Autotest Report ........................................... 3-30
If Memory is Full ................................................................................................. 3-31
Saving Results to Internal Memory (DSP-4300) ................................................. 3-31
The Autotest Report .................................................................................................... 3-32
4
Single Tests for Twisted Pair Cabling......................................................................... 4-1
Scanning Function....................................................................................................... 4-2
When to Use a Remote Unit........................................................................................ 4-2
The HDTDX Analyzer ................................................................................................ 4-6
Running the HDTDX Analyzer............................................................................ 4-6
HDTDX Analyzer Results ................................................................................... 4-7
HDTDX Analyzer Plot......................................................................................... 4-8
The HDTDR Test........................................................................................................ 4-9
How to Terminate the Cable ................................................................................ 4-9
Running the HDTDR Test on Coaxial Cabling.................................................... 4-11
HDTDR Results Screen ....................................................................................... 4-12
HDTDR Plot Screen............................................................................................. 4-12
Wire Map ............................................................................................................. 4-14
Length .................................................................................................................. 4-14
NEXT and NEXT@REMOTE............................................................................. 4-14
ELFEXT............................................................................................................... 4-14
Impedance ............................................................................................................ 4-15
Attenuation (Insertion Loss) ................................................................................ 4-15
Resistance............................................................................................................. 4-15
Return Loss (RL) and RL@REMOTE................................................................. 4-15
Power Sum NEXT and Power Sum NEXT@REMOTE...................................... 4-15
Power Sum ELFEXT ........................................................................................... 4-15
iii
Contents
(continued)