EXFO iOLM - Manual (Page 65)

Managing Test Configurations
intelligent Optical Link Mapper 59
Modifying a Test Configuration
Enabling 2:N Splitters (Optional, iOLM EXpert
Mode Only)
The 2:N splitter can be used to create network redundancy. If a network
break occurs, the operator can connect through the other network branch.
This ensures active communication while the repairing of the broken
network is in progress.
If the 2:N splitter is selected for the Splitter ratio stage 1 field and the test
configuration is imported on a unit where the iOLM EXpert is not activated
then the 2:N splitter is automatically replaced by 1:N splitter. For example, if
in the test configuration stage 1 is selected as 2:128 and the iOLM EXpert
option is deactivated, then it is automatically replaced by 1:128.
In the Splitter ratio stage 1 field, if 1:? or None is selected and you have
enabled the 2:N splitter option, then the 1:? and None are replaced by a
splitter value of 2:2.
Note: The threshold for the 2:N splitter is displayed in the Element P/F
Thresholds tab only if the 2:N splitter is selected in Link Definition tab.