Operating Manual
KE7200 / KE7100
14
KURTH ELECTRONIC FERNMELDETECHNIK
www.kurthelectronic.de
When the remote unit is connected to the end, measuring the length
using the TDR method is accurate enough to determine if a cable is
within the 90 meter maximum length standard. This test can measure a
maximum of 150 m.
We recommend measuring the length of installed cables separately
without the remote. This measurement of length is more precise since a
specific end is detectable without the remote.
Performing the test
Using the supplied patch cables, connect up to 32 remote units to the
ports to be measured. If only one remote is being used, the remote needs
to be brought to the next connection point after the test. When using a
helper, the helper can determine whether the test yielded any errors by
the flashing rhythm of the LED. If no errors are found, the LED flashes
slowly once every second and the remote can be brought to the next port.
We generally recommend using several remotes, one for each room.
With 32 possible unique remote IDs somewhat larger facilities or a
section of a facility can be easily covered.
The main advantage is that it saves time since only one person is
required. The unique remote ID numbers show up in the saved records,
too.
With the 0.5 m patch cable, connect the
KE7200 / KE7100
(supplied) to
the port to be tested in the patch panel or wall jack.
On the Main menu select "Cable test," start the test by pressing the SEL
button. The message "Cable test running" indicates that the test is
underway and the progress is displayed as a percentage. If the test is
without errors, a long beep sounds and the okay checkmark is shown in
the display. The LED in the remote flashes once every second signifying
a Passed test.
If an error is found, two short beeps sound, the LED in the remote flashes
quickly 4 times (0.5 seconds in length), then pauses for one second, and
then flashes again quickly 4 times, etc.
The number of the remote unit is always displayed in the
KE7200 /
KE7100
at the top left of the display. This is followed by the type of cable
wiring selected
. This can be changed by pressing the ▼ button. Then the
set VF value is displayed. It is either selected by choosing a cable type,
or by setting it directly beforehand.
The wire mapping is displayed in the main window. This clearly identifies
any circuitry errors. Split pairs are displayed with a branch to the linked
wire which then returns. The measured distance to the panel appears in
right field. Distances of less than 2 m are not shown. The measurement is
too imprecise at this close range.
