Performing Loop Back Test - KTI Networks KC-351 Series Installation Manual

2.9 Performing Loop Back Test

To perform a loop back test between a local MC and a remote MC connected by a fiber cable, the steps
are:
1. Push and press Loop back test button of local MC.
2. Check RTP LINK LED. It blinks to indicate the MC is in loop back test mode.
3. Check RTP 100M LED. It is ON to indicate a complete of loop back test and OFF during test.
4. Check RTP FDX LED for the test result. It is ON to indicate a TEST PASS and OFF for TEST
FAIL.
5. Release Loop back test button. RTP LINK/100M/FDX LEDs are back to display remote TP port
status.
Summary of Loop Back Test LEDs
LED Status
RTP LINK Blink
RTP 100M On
Off
RTP FDX On
Off
Interpretation
The MC is on Loop Back Test mode.
Loop back test complete
Loop back test in operation
Loop back test Ok
Loop back test fail
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