EXFO IQS-9100 Optical Switch for IQS-500/600 - Manual (Page 16)

Introducing the IQS-9100 Optical Switch
10 IQS-9100
Basic Switching Principles
The IQS-9100-02-04(2 × 4 model) is also a bidirectional switch. As
illustrated in the following figure, the IQS-9100-02-04 can be set to sixthree
positions. In three of these positions, one or both input channels do not
transmit light to output ports.
O1
O2
O3
O4
I1
I2
O1
O2
O3
O4
I1
I2
I1
O1
O2
O3
O4
I1
I2
2 x 4 Optical Switch Principle
I2
O1
O2
O3
O4
O1
O2
O3
O4
I1
I2 I1
I2
O1
O2
O3
O4
I1
I2
No continuity - Both ports No continuity - Port I1
No continuity - Port I2
I1
I2