Promax Cable Ranger+ User Manual page 32

The SCAN CM function shows on screen signal level in graphic bar format for
each one of the active channels in the cablemodem band.
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.
REGISTERING allows you to register your equipment in the network. Once
registered you can check it with IPTV, VoIP and SPEED tools.
Operation
►
1 Connect signal to the input connector:
Cable: universal connector for F/F or F/BNC adapter.
Fiber Optics: SC-APC connector.
2 Access home screen by pressing the HOME
3 Select DOCSIS CABLE MODEM function according to input signal (cable or
fiber). Press function on the left side of the screen for FIBER OPTICS or on
the right side for CABLE.
4 The first time the user enters the DOCSIS CABLE MODEM function, the
CABLE MODEM is initialized. An indicator with the letters CM will appear in
the upper right corner. This indicator appears with a flashing red dot. After
a few seconds, if it is successful, the point will turn to green
5 The DS SPECTRUM is the first screen. It is a spectrum analyser for
downstream docsis.
6 To analyze a DOCSIS BONDING GROUP, select a DBG and then press on
DBG SCAN.
7 To perform a scan of Cable Modem channels, press on SCAN CM.
8 To perform a RANGING (also called CABLEMODEM Emulation) from the
internal CABLE MODEM of the equipment press on RANGING
RANGING generates an UPSTREAM signal at the frequency and power
required to connect to the CMTS.
9 Then, to work as CABLEMODEM giving and receiving information, it is
necessary to register it on the network. Once registered you will be able to
perform the tests of IPTV, VoIP and Speed.
10 For more information about DOCSIS ANALYZER functions refer to next
sections.
*. This function is not available for fiber optics
Chapter 3: MEASUREMENT
key.
27
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. The
March 2020