All Things XM1 Flashcards
What are you testing while using 3.1 Lite?
An OFDM Channel
How do run a ping test using DOCSIS?
Enter url in the text box and tap “ping”
Uses upstream frequency signature between a CM and CMTS to pinpoint impedance mismatch issues that are causing a cavity in the drop of distribution networks.
Flux
ICFR stands for
In Channel Frequency Response
A distortion in digital signal measure in decibels.
ICFR
Locate and identify RF impacts for our customers using this.
XM1 Meter
T/F:
When using the XM1 meter allowing push notifications and location sharing are optional.
False; turn them on.
Firmware can be upgraded by tapping this icon.
Firmware Icon in new update. Gear Icon in old update.
When you first open Spectrum, what range are you viewing?
The full downstream trace
Gives you the ability to check a wide range of attributes, including ingress, a full-spectrum view, a full scan of plant and individual channel levels,, and a QAM analysis for both MER and BER.
Spectrum
Use this to check or change the job you are on?
Active Job, Job or Change Job
T/F:
The meter’s limits can be adjusted for tap or ground block readings.
False
This tab allows you to view the location of taps and the plant.
Design Map
List the 3 freqiency range options for upstream.
8 - 60 MHz
5 -125 MHz
88 -108 MHz
What app pairs with the XM1B ?
xMT MultiTool
The XMB is used for what tests?
Speed Tests
In xMT the blue inner ring represents what?
The progress of the current portion of the test
In xMT the green outer ring represents what?
How far along the overall test has progressed
The xMB test for what first?
latency
The xMB test for what second?
download speeds
The xMB test for this last?
upload speeds
Under this tool you can view MER, BER, and POST BER.
QAM Analysis
Under the Ingress tool what are your frequency range options?
5-125MHz
Full Spectrum
This tool let’s you view upstream, downstream and run PHT.
DOCSIS