Definition Of Terms Used; Description Of The Measurement - Viavi 8100 V2 Series User Manual

Chapter 6 Bi-directional OTDR

Definition of terms used

Definition of terms used
Master / Slave unit
The master unit is the MTS/T-BERD that initiates the measurement at one extremity of
the fiber.
The slave unit is the MTS/T-BERD connected on the other extremity of the fiber, and
connected to the master unit via the data connection.
Local / remote unit
These terms are used in the Process Display page (see
T-BERD 8000 V2)" on page
NOTE
These terms are to be distinguished from the measurement direction and
extremities of the fiber (see
and

Description of the measurement

NOTE
The measurement principle and methods used are described in
bi-directional measurement" on page
Thanks to the software option OEO-OTDR, bi-directional measurement can be fully
automatic.
A minimum of two fibers is required. Two MTS/T-BERDs equipped with the talkset option
and an OTDR plug-in are linked at every extremity of the fiber to test at the same time.
A data connection is established between the two talkset ports of the units via another
fiber, in order to exchange orders, configurations and measurement results.
196
202). Each unit is considered as «Local» on its own screen.
"Configuring the File parameters" on page
User Manual
"Process page display (with two
"Configuring the Link parameters" on page 43
4.
78000010220 Rev. 024
48)
"Principle of