Chapter 7
Power meter and Source options of the OTDR Modules
Performing the insertion loss measurement
100
User Manual
770000102/08
c
Press
R
ESULTS
key
d
In the
Results
page, press
Pow.Reference
>
Standard Ref.
The actual power level is set as the new reference level for the
selected wavelength. Then, the displayed value is around 00.00
dB.
e
Press
Exit
and go back to the
Results
page.
The reference levels are stored into the unit, and have been automati-
cally filled into the setup.
Carrying out the
reference in
loopback mode
This reference can be carried out when the units are separated, at
different locations. It is made using the OTDR source and the power
meter built-in the platform.
1
To reference the OTDR light source, on T-BERD/MTS (1)
a
Select the OTDR Source icon in
Home
page
, on the
OTDR area.
b
Press
R
ESULTS
key
c
In the LTS result page, press
Source Config.
>
Source Refer-
ence
>
Jumper Ref.
.
A popup message appears
d
Connect the jumper from the OTDR source to the mainframe
power meter, and then press
OK
.
The reference measurement is performed automatically.
A popup message appears when it's done: press any key to
continue
2
To reference the mainframe power meter, on T-BERD/MTS (2)
NOTE
Each platform must be equipped with a power meter set onto the
base-unit.
Fig. 62
Reference in loopback mode
OTDR
MTS / BERD (1)
200
0 o
r 40
00
Ma
infr
am
e
Source of the
OTDR module
Power meter of
Base unit
OTDR
Source of the
OTDR module
Power meter of
Base unit
MTS / BERD (2)
200
0 o
r 40
00
Ma
infr
am
e
MTS2100 4100 Module US rev08.book Page 100 Jeudi, 1. août 2013 1:43 13