PHT

Question 1

Upstream will pass or fail PHT based off of this.

Answer 1

Actual Power

Question 2

Power is measured in?

Answer 2

dBmV

Question 3

Absolute Power is calculated by?

Answer 3

Adding the Transit Power with the Receiver

Power.

Question 4

When is Actual Power identical to Transmit Power?

Answer 4

When the transmit power is greater than +51.0 dBmV and receive power is greater than -0.5 dBmV below the configured CMTS level.

Question 5

Constant power adjustment messages between the CMTS and the device causing excessive communication with CMTS.

Answer 5

Compression

Question 6

Types of integrity issues that impact cable physically. Name at least 3-4.

Answer 6

Water, corrosion, braid on connector, long stingers

Question 7

Downstream will fail under these conditions.

Answer 7

If DsRx is higher than +12dBmV or below -10dBmV

Question 8

Downstream Signal Noise Ratio (DSSNR) will fail under this. (number)

Answer 8

Less than +33.0dB

Question 9

Upstream will fail over this. (number)

Answer 9

54.0dBmV

Question 10

Registration State Downstream must be ___ to Pass PHT. (number)

Answer 10

+1

Question 11

The method performed if any downstream or upstream channel is impaired the device stops using them.

Answer 11

Partial Bonding

Question 12

The most common fix to Partial Bonding.

Answer 12

Rebooting Modem

Question 13

The max allowable ingress is?

Answer 13

-30dBmV

Question 14

A PHY rate below ____ will fail.

Answer 14

200

Question 15

PHT stands for.

Answer 15

Premise Health Test

Question 16

PHT will fail due to what being out of spec?

Answer 16

Upstream Tx, Downstream dBmV, DSSNR, USSNR, MoCA, ICFR, Suckout,

Question 17

Greater than 6dB is?

Answer 17

Suckout

Question 18

This type of MoCA network will cause a PHT Fail.

Answer 18

Split MoCA Network

Question 19

ICFR greater than ____ will cause a PHT Fail.

Answer 19

3.0 dB

Question 20

Failing to install this will cause a PHT Fail.

Answer 20

POE Resonator

Question 21

What two devices will produce a 600+ PHY rate?

Answer 21

Xb6 and XG1 4K DvR

Question 22

Name the ways you can view PHT.

Answer 22

In the standalone PHT App, Tech 360, X-Ray, and Watchtower

Question 23

Name the 4 Pass/Fail states of PHT

Answer 23

Pass, Pass with Warnings, Pass with Overrides, Fail

Question 24

PHT checks these type of devices.

Answer 24

DOCSIS; internet and X1 not legacy

Question 25

Upstream Signal Noise Ratio (USSNR) will fail under this. (number)

Answer 25

+33.0dB

Question 26

Registration State Upstream must be ___ to Pass PHT. (number)

Answer 26

+4