EXFO FTB-9100 for FTB-500 Optical Switch - Manual (Page 52)

SCPI Command Reference
46 FTB-9100
Product-Specific Commands—Description
2, means Input 1 is connected to Output 1 and
Input 2 is connected to Output 2.
3, means Input 1 is connected to Output 2 and
Input 2 is connected to Output 3.
4, means Input 1 is connected to Output 3 and
Input 2 is connected to Output 4.
5, means Input 1 is connected to Output 4 and
Input 2 has no continuity.
c) For a 2x2 switch, a number, 1 or 2, where:
1, means BYPASS state.
2, means INSERT state.
Example(s) ROUT:SCAN 1
ROUT:SCAN? returns 1
ROUT:SCAN 2
ROUT:SCAN? returns 2
See Also ROUTe[1..n]:SCAN?
ROUTe[1..n]:SCAN:PREV
ROUTe[1..n]:SCAN:NEXT
:ROUTe[1..n]:SCAN