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COMMSCOPE 3298A 4/23
Peterdy 15, Budapest H-1071, Hungary +36 1 255 3800 [email protected] www.lightware.com1
COMMSCOPE 3298A 4/23
Lightware Testing Lab
Cable Testing Method
COMMSCOPE 3298A 4/23
Peterdy 15, Budapest H-1071, Hungary +36 1 255 3800 [email protected] www.lightware.com2
MMX6×2-HT220
HDMI-TPS-RX95
PC with
nVidia GTX-980
HDMI
HDMI
CATx
PC with
Unigraf Nopea-06
capture card
Professional Cable Performance Analysis
We use Fluke DSX-5000 cable analyzers in the Lightware Testing Lab to measure the properties of the cable relevant to signal transmission. Measured data include the DC resistance of the cable, the loss of signal strength of a signal (attenuation) at one or more frequencies, measuring the isolation between pairs of multi-pair cable threads, cross talk and many more.
This phase of testing can outline the general performance of the cable itself, without the modifying effects of a connected HDBaseTTM device.
Application Tests
Measuring the performance of CAT cables is generally important, but it is even more useful to test the cables in a system containing HDBaseTTM transmitters and receivers.
These devices along with the used cable greatly affect the overall system performance. HDBaseTTM transmitters and receivers have HDMI input/output stage, reclocking features and other factors that can modify system performance.
We believe that in order to provide the most valuable information for integrators about the HDBaseTTM chain, it is best to test the cables together with HDBaseTTM compatible Lightware TPS products.
Therefore we always run cable performance tests in working applications as well.
Test criteria: Bit Error Rate is under 10-9
COMMSCOPE 3298A 4/23
Peterdy 15, Budapest H-1071, Hungary +36 1 255 3800 [email protected] www.lightware.com3
Bit Error Rate Tx Error Rate Rx Error Rate
tota
l_be
r(tx
sid
e)
vide
o_be
r(r
x si
de)
audi
o_be
r(r
x si
de)
cont
rol_
ber
(rx_
side
)
A B C D A B C D
Ligh
twar
eLo
ng R
each
Mod
e
10-09 10-09 10-09 10-09 50.3 50.3 50.3 50.3 55,0 55,0 55,0 55,0
HDBa
seTTM
10-09 10-09 10-09 10-09 38.7 38.7 38.7 38.7 60.3 60.3 60.3 60.3
Pixel errorsover 200 sec
TX RX Test Pattern Length (m) Red Green Blue Total
Ligh
twar
eLo
ng R
each
Mod
e
MMX6x2 HDMI-TPS-RX95ENG-2068
1080p60pseudorandom
170 m+2×0,3 mpatch cable
0 0 0 0
HDBa
seTTM
MMX6x2 HDMI-TPS-RX95ENG-2068
2160p30pseudorandom
100 m+2×0,3 mpatch cable
2 2 2 6
Test Results
COMMSCOPE 3298A 4/23
Peterdy 15, Budapest H-1071, Hungary +36 1 255 3800 [email protected] www.lightware.com4
Cable ID: 1 COMMSCOPE 100M Test Summary: PASSDate / Time: 2017-01-24 01:31:50 PM Software Version: V4.8 Build 1 Model: DSX-5000Test Limit: Measure All Limits Version: V4.8 Main S/N: 2797178Cable Type: Cat 6A F/UTP Calibration Date: Remote S/N: 2797197NVP: 74.0% Main (Module): 2016-02-03 Main Adapter: DSX-PLA004
Remote (Module): 2016-02-03 Remote Adapter: DSX-PLA004
Project: TPS COMP TPS tests.flw
LinkWare™ PC Version 9.6
Length (m) [Pair 78] 99.4Prop. Delay (ns) [Pair 45] 462Delay Skew (ns) [Pair 45] 14Resistance (ohms) [Pair 45] 13.61Resist. Unbal. (ohms) [Pair 45] 0.036Resist. P2P Unbal. (ohms) [Pair 45-78] 0.085Impedance (ohms) [Pair 45] 106
Insertion Loss Margin (dB) [Pair 45]Frequency (MHz) [Pair 45] 1105.0Limit (dB) [Pair 45]
Worst Case Margin Worst Case ValueN/A MAIN SR MAIN SRWorst Pair 36-45 36-45NEXT (dB) 17.2 16.8Freq. (MHz) 988.0 1000.Limit (dB)Worst Pair 36 36PS NEXT (dB) 16.5 16.2Freq. (MHz) 988.0 1000.Limit (dB)
N/A MAIN SR MAIN SRWorst Pair 36-45 36-45ACR-F (dB) 5.9 4.8Freq. (MHz) 1105. 1182.Limit (dB)Worst Pair 45 45PS ACR-F (dB) 5.5 3.5Freq. (MHz) 1105. 1182.Limit (dB)
N/A MAIN SR MAIN SRWorst Pair 36-45 36-45ACR-N (dB) -43.2 -43.8Freq. (MHz) 996.0 1000.Limit (dB)Worst Pair 45 45PS ACR-N (dB) -43.2 -43.8Freq. (MHz) 996.0 1000.Limit (dB)
N/A MAIN SR MAIN SRWorst Pair 45 45RL (dB) 7.6 8.6Freq. (MHz) 984.0 1000.Limit (dB)
99.4 m
Wire Map (T568B)PASS
Insertion Loss (dB)
MHz
0
20
40
60
80
100
0 250 500 750 1000
NEXT (dB)
MHz
0
20
40
60
80
100
0 250 500 750 1000
NEXT @ Remote (dB)
MHz
0
20
40
60
80
100
0 250 500 750 1000
ACR-F (dB)
MHz
0
20
40
60
80
100
0 250 500 750 1000
ACR-F @ Remote (dB)
MHz
0
20
40
60
80
100
0 250 500 750 1000
ACR-N (dB)
MHz
-80
-40
0
40
80
0 250 500 750 1000
ACR-N @ Remote (dB)
MHz
-80
-40
0
40
80
0 250 500 750 1000
RL (dB)
MHz
0
10
20
30
40
50
60
0 250 500 750 1000
RL @ Remote (dB)
MHz
0
10
20
30
40
50
60
0 250 500 750 1000
COMMSCOPE 3298A 4/23
Peterdy 15, Budapest H-1071, Hungary +36 1 255 3800 [email protected] www.lightware.com5
Cable ID: 1 COMMSCOPE 100M Test Summary: PASSDate / Time: 2017-01-24 01:31:50 PM Software Version: V4.8 Build 1 Model: DSX-5000Test Limit: Measure All Limits Version: V4.8 Main S/N: 2797178Cable Type: Cat 6A F/UTP Calibration Date: Remote S/N: 2797197NVP: 74.0% Main (Module): 2016-02-03 Main Adapter: DSX-PLA004
Remote (Module): 2016-02-03 Remote Adapter: DSX-PLA004
Project: TPS COMP TPS tests.flwPage 2
LinkWare™ PC Version 9.6
Worst Case Margin Worst Case ValueN/A MAIN SR MAIN SRWorst Pair 12 12TCL (dB) 14.2 14.3Freq. (MHz) 986.0 963.0Limit (dB)
N/A MAIN SR MAIN SRWorst Pair 12 36TCTL (dB) 32.8 32.9Freq. (MHz) 27.6 27.4Limit (dB)
N/A MAIN SR MAIN SRWorst Pair 12-36 12-36CDNEXT (dB) 17.7 17.8Freq. (MHz) 828.0 830.0Limit (dB)
N/A MAIN SR MAIN SRWorst Pair 36 36CMRL (dB) 4.1 4.3Freq. (MHz) 960.0 1000.Limit (dB)
N/A MAIN SR MAIN SRWorst Pair 45 45ELTCTL (dB) 1.2 4.3Freq. (MHz) 1137. 1136.Limit (dB)
TCL (dB)
MHz
0
20
40
60
80
100
0 250 500 750 1000
TCL @ Remote (dB)
MHz
0
20
40
60
80
100
0 250 500 750 1000
TCTL (dB)
MHz
0
20
40
60
80
100
0 250 500 750 1000
TCTL @ Remote (dB)
MHz
0
20
40
60
80
100
0 250 500 750 1000
CDNEXT (dB)
MHz
0
20
40
60
80
100
0 250 500 750 1000
CDNEXT @ Remote (dB)
MHz
0
20
40
60
80
100
0 250 500 750 1000
CMRL (dB)
MHz
0
10
20
30
40
50
60
0 250 500 750 1000
CMRL @ Remote (dB)
MHz
0
10
20
30
40
50
60
0 250 500 750 1000
ELTCTL (dB)
MHz
0
10
20
30
40
50
60
0 250 500 750 1000
ELTCTL @ Remote (dB)
MHz
0
10
20
30
40
50
60
0 250 500 750 1000
