NV-600LI/RI Managed Industrial Grade VDSL2 CO/CPE Router USER’S MANUAL Ver. A4
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5.4 Select “Loop Back”
Loopback (loop-back) describes ways of routing electronic signals, digital data streams, or flows of items from their originating facility
back to the source without intentional processing or modification. This is primarily a means of testing the transmission or
transportation infrastructure.
The loop back testing function for checking phone wire link problem: 1. System Loop. 2. Line Side Loop
To config the Loop Back, click on the “Loop Back” link in the left navigation bar. A screen is displayed as shown in
Figure 5.4
Figure 7.1.4 Loop Back Activation/Deactivation Menu
