DSP-4000 Series
Users Manual
Running a Single Test on Coaxial Cabling .......................................................... 4-16
Monitoring Impulse Noise........................................................................................... 4-22
Running the Impulse Noise Test .......................................................................... 4-23
Noise Test Results................................................................................................ 4-25
Using the Tone Generator ........................................................................................... 4-26
5
Viewing, Renaming, and Deleting Test Reports ......................................................... 5-1
Printing Test Reports................................................................................................... 5-2
Printer Interface Cable ......................................................................................... 5-3
Printing................................................................................................................. 5-4
Viewing and Printing Reports from a PC .................................................................... 5-6
6
Calibrating the Permanent Link Adapters ................................................................... 6-3
NVP Calibration .......................................................................................................... 6-3
7
Basic Cabling Testing ................................................................................... 7-1
LAN Cable Construction............................................................................................. 7-1
Twisted Pair Cable ............................................................................................... 7-2
Coaxial Cable ....................................................................................................... 7-4
Basic Link Connections............................................................................................... 7-5
Channel Connections................................................................................................... 7-6
Attenuation (Insertion Loss)........................................................................................ 7-8
Noise ........................................................................................................................... 7-9
Characteristic Impedance ............................................................................................ 7-10
Crosstalk...................................................................................................................... 7-11
NEXT .......................................................................................................................... 7-12
FEXT and ELFEXT .................................................................................................... 7-12
Split Pairs and NEXT........................................................................................... 7-16
Minimizing Crosstalk........................................................................................... 7-17
Power Sum Values ...................................................................................................... 7-17
Propagation Delay and Delay Skew ............................................................................ 7-18
iv