6
SCAN-LAN 80 CABLE SCANNER
2.2 Features
•Cable length
—The length of the cable is
measured and up to two fault anomalies are
displayed, using time-domain reflectometry
(TDR).
•
NEXT (Near-end crosstalk)
—NEXT is measured
between 5 and 16 MHz on twisted-pair
networks.
•
Attenuation
—The cable attenuation is measured
between 5 and 16 MHz on twisted-pair
networks.
•
Wire Map
—Tests that the UTP cable is wired
correctly for the selected network.
•
Traffic Monitoring
—The Scan-LAN 80
continuously displays the percentage of
network utilization along with a bar-graph
display of network activity.
2.3 Controls
The Scan-LAN 80 is operated with a rotary function
selector and four pushbutton switches. See Figure 2-1.
The
Rotary Function Selector
selects the operating
mode (Autotest, Wire Map, Length, Noise, Traffic,
Calibrate, or Special Functions).