Promax CABLE RANGER, Руководство пользователя

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Chapter 3: MEASUREMENT 19 April 2018
2 TILT: Inclination rate in dB per MHz.
3 Power difference between P1 and P4.
4 Full band RF cable power. In FIBER OPTICS it also shows full band of fiber
optics cable.
5 Arrows to change reference level.
6 Bar graph showing signal level for each pilot signal and TILT.
►
Options Menu
There are some options at the bottom of the screen:
„
: Screeenshot.
„
LOGGER: It creates a datalogger with measurement data.
„
UPSTREAM/DOWNSTREAM: It allows you to switch between upstream
and downstream band. The current band appears on the top of the screen.
►
Settings Menu
Click on the MENU icon at the upper right corner to access the Settings
menu. The TILT function has these options:
„
Units: It allows you to select a measurement unit for power (dBuV,
dBmV, dBm).
►
Introduction
DOCSIS ANALYZER includes several functions to know how works a DOCSIS /
EURODOCSIS 3.0 transmission data system. It can emulate a Cable Modem by
using its internal Cable Modem.
The DOCSIS DOWNSTREAM SPECTRUM ANALYZER shows spectrum of a
signal in the Downstream band.
DBG function shows power of channels and carrier belonging to DOCSIS
BONDING GROUP.
RANGING (also known as a CABLE MODEM EMULATOR) is a tool to adjust
transmission parameters at the CM, such as frequency and power in order to get
a stable and aligned communication between CM and CMTS.
3.4 DOCSIS Analyzer