DVG-N5412SP User’s Manual                                     MAINTENANCE 
D-Link Systems, Inc.                96 
3-3-6-3 FXS Inward Self Test 
 
MAINTENANCE  → Diagnostics → Inward Test 
 
 
It allows operator to verify if it is some problem on the FXS chip set. 
 
Enable: Select the lines you want to test.     
Including Channel In Used: Since the line test will interrupt a talking call, that DVG-N5412SP will ignore 
the in used line. If you would like to test all the lines you select even it is in used, please tick this item. 
Test: Click start to test. 
ACO: Clear alarm indication of the last test result.