Chapter 8 Loop Back Reply
The FT-1105A / FT-1205A supports auto loop back reply while receive loop back test packets on fiber port. Enable this function to tell the converter to reply fiber signals request from Web Smart media converter, such as PLANET FT-90x. You can use this to check whether the converter can communicate with partner converter. Please refer to the following figure.
For FT-1105A only, while enable the Loop Back Reply function, the Port-2 (TP) must be link up.
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