Anritsu MT9083 Series - Switching SM Unit and MM Unit

Chapter 2 Before use
2-18
2.8 Switching SM Unit and MM unit
Two OTDR units for single mode fiber (measurement wavelength:
1310/1550 nm ) and multimode fiber (measurement wavelength:
850/1300 nm) can be installed in this instrument according to the
number of the option unit (e.g. MT9083B2 Option 063).
Switch between the SM unit and MM units as described below.
Example of Use 1: with MT9083B2-063 (MM 850/1300 nm/SM 1310/1550
nm)
TOPMenu:UNIT:CATalog:FULL?
Queries installed unit
>MM, 1, SM, 2
At MM, 1, SM, 2 response:
Multimode unit installed as unit 1
and single mode unit installed as
unit 2
TOPMenu:UNIT:NSELect?
Queries current measurement
unit
>1 At 1 response:
Multimode unit selected
TOPM:UNIT:NSEL 2
Switches to single mode unit
Example of Use 2: with MT9083B2-063 (MM 850/1300 nm/SM 1310/1550
nm)
TOPMenu:UNIT:CATalog?
Queries installed unit
>MM, SM
At MM, SM response:
Multimode unit and single mode
units installed
TOPMenu:UNIT?
Queries current measurement
unit
>MM
At MM response:
Multimode unit selected
TOPM:UNIT:SEL SM
Switches to single mode unit