Specifications
11
Digital Services Activation Meter (DSAM)
www.jdsu.com/nse
VoIPCheck displays packet loss, jitter, and delay as well as MOS and R-values.
Forward and Return Path Testing and Maintenance
The cable plant is a two-way communication path. As a vital link
between the CPE and the CMTS, the return path alignment and ingress
and noise mitigation are key preventive maintenance requirements.
With digital services, limiting noise and ingress becomes even more
important as service degradation moves in a short range from tiling or
bit errors to catastrophic failure.
Designed to test and maintain both the downstream (forward) path
and upstream (return) path, the DSAM-6300 provides the optimal
approach to maintaining HFC networks, giving technicians the ability
to sweep, conduct signal level and quality measurements, as well as
analyze ingress and noise.
Equalizer Option
The DSAM oers an Equalizer option that gives a graphical
representation of the DOCSIS receiver equalizer taps. Technicians can
use this option to quickly see problems causing reection. In the level
measurement mode, units with this option provide a warning to alert
technicians of an equalizer limit issue. Technicians can simply switch
to the equalizer mode to see the graph with a marker to identify the
tap exceeding the limitations and then calculates the distance to the
reection source. The mode also displays the in-channel response
and group delay for the tuned channel which helps technicians
troubleshoot narrowband RF transmission issues caused by suck-outs
or diplex roll-o.
The equalizer tap graph shows reections and the distance to the source.
EQ warnings appear in the level mode when tap-related issues exist.
In-channel response and group-delay measurements help technicians
troubleshoot narrowband RF transmission issues.