Download - Customer Equipment “The Effects on the HFC Plant” A L&D Perspective Ryan Gerberich & Scott Baker
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Customer Equipment “The Effects on the HFC Plant”
A L&D PerspectiveRyan Gerberich & Scott Baker
![Page 2: Customer Equipment “The Effects on the HFC Plant” A L&D Perspective Ryan Gerberich & Scott Baker](https://reader036.vdocuments.us/reader036/viewer/2022062518/5697bf841a28abf838c86c97/html5/thumbnails/2.jpg)
Sources of Noise
?
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Sources of Noise
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Effects of Noise
•Outages
•Tiling picture
•No picture
•Slow internet
•Robotized voice
•Dropped calls
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Effects of Noise
Accumulation of noise back to the node
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Teaching how tocombat noise!!!
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Building Value
Explain the importance of correcting noise related issues
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Quick Facts
• Most labor intensive part of the network• Costliest part of the network ~ 3 times more
footage• Seven out of ten service calls are generated
by problems at the drop
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Drop System Ingress Mitigation Program
(DSIMP)
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THE 5 STEPS TO DSIMP
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Ask the customer to turn on all appliances including
TV,VCR,DVD
-the more equipment they turn on, the better.
Step #1
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Plug the customers drop into your meter and check the 5 to 42 mHz return “Upstream Spectrum”
- 30 dBmV is our benchmark
We are looking for ingress energy to be lower than - 30 dBmV.
Step #2
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Forward and return scans must be made.
Tiling can be caused by unwanted energy under forward carriers also.
Step #3
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Peak Hold-
We use this function to catch fast moving transient noise.
Step #3
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Verify individual outlets
and educate the customer
Step #5
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Real hands-on experience
Mobil DSIMP Training Lab
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Mobil DSIMP Training Lab
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Mobil DSIMP Training Lab
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Mobil DSIMP Training Lab
•Qam Generator
•CSO and CTB Generator
•Ghosting
•White Noise
•HD Antenna
•Hum Bar
•Low Level Attenuator
•Flux Capacitor (88mph)
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Mobil DSIMP Training Lab
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Mobil DSIMP Training Lab
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-80
-70
-60
-50
-40
-30
-20
-10
0
10
20
Center: 25.000 MHzSpan: 40.000 MHzRBW: 300 KHz VBW: 100 KHz Dwell: 400 µS
In-Band Power 13.273 dBmV
-50
-40
-30
-20
-10
0
10
20
30
40
50
Center: 25.000 MHzSpan: 40.000 MHzRBW: 300 KHz VBW: 100 KHz Dwell: 400 µS
In-Band Power 12.920 dBmV
Mobil DSIMP Training Lab
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Questions?
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Thank You
Keith Boyd, Bryan Saylor,
Kris Sharp
TVC COMMUNICATIONS
And special thanks to: