Telecommunications Techniques Corporation interceptor 147, Справочное руководство, Страница: 17 / 280

INTERCEPTOR 147 2 Mbit/s and Data Analyzer
1-9
1
Getting Started
2. Configure the 147 for the test
Use the SETUP categories to configure the
INTERCEPTOR 147 for the test you want to
perform. The SETUP categories and the items
within each category are arranged in a logical
order, so you can proceed from top to bottom to
properly set up a test. That is, start with the TEST
MODE category, then proceed to the
CONFIGURATION category, and so on.
In each category, only applicable items are
displayed, depending on the setup you have
specified in earlier categories and items. This
feature makes setup simpler and faster.
3. Turn off SELF LOOP
Verify the SELF LOOP LED is off. Unless you
are performing a self-check of the test instrument,
SELF LOOP should always be off.
4. Turn off ERROR INSERT
If you do not want to generate errors, verify the
ERROR INSERT LED is off.
5. Select the 2 Mbit/s RECEIVER input mode
For 2 Mbit/s testing only, use the RECEIVER
control to select the receiver connector and mode.
NOTE: Be sure to perform this step before
connecting the test instrument
RECEIVER to the equipment under
test. Improper receiver input mode
selection (for example, TERM instead
of BRIDGE) could result in bit errors
on a live circuit under test when
monitoring from a point not equipped
with isolation resistors.