Launch Cable Parameters - Viavi T-BERD/MTS 2000 User Manual

Chapter 4 Configuring the reflectometry test
Configuring the test in Expert OTDR
NOTE
If the Acquisition parameter is defined to Auto, then the Time parameter is
defined to Auto, but can be modified.
Manual
Predefined
Smart Acquisition (not available in Multimode)
This parameter allows to launch a short acquisition before the standard one.
The first acquisition is performed with the shortest pulse in order to detect more precisely
the events at the beginning of the fiber.
To configure the Smart Acq. parameter:
Auto
No
If the option OptiPulses is available, see
Pulses™ mode" on page 96
Otdr Connector test
This parameter allows to choose if a test of the front connector must be performed when
acquisition is launched.
No
Yes & Continue the OTDR connection is tested, and if the state is not good, the
Yes & Abort

Launch cable parameters

Launch Cable End / Receive Cable Start
No
28
Enter the acquisition time desired (from 5 s. to 5 minutes max).
Select one of the acquisition times predefined: 10 seconds / 20
seconds / 30 seconds / 1 minute / 2 minutes / 3 minutes.
a first short acquisition is performed with the shortest pulse in the
range, before the standard one.
the standard acquisition is directly launched.
to configure the OTDR acquisition with this option.
the OTDR connection is tested with indication Bad/Good.
acquisition continues but a warning displays.
the OTDR connection is tested, and if the state is bad, a warning
displays and the acquisition stops.
All the results are displayed and referenced on the basis of the board
of the module.
User Manual
"Configuring the OTDR acquisition with Opti-
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