User's Manual

PAGE 44 61280.003L1-1B
4/12/99
“TEST” LIGHT IS LIT OR BLINKING
The test alarm will remain on (solid) during power-up, indicating
a self-test is in progress. The light will flash or remain on (solid) if
the self-test fails.
RECOMMENDED ACTION
POSSIBLE CAUSE (SEE LIST BELOW)
• One-flash interval indicates a RAM test failure. ............................... 1
• Two-flash interval indicates the T1-C mux failed
internal test. ....................................................................................... 1
• Three-flash interval indicates the T1-A framer failed. ...................... 1
• Four-flash interval indicates the T1-B framer failed. ........................ 1
• Five-flash interval indicates a DSP failure......................................... 1
• On (solid) indicates a faulty internal component. ............................ 1
RECOMMENDED ACTIONS:
1. Replace the BBP or the RFC.
“TST” LIGHT IS LIT AFTER PRESSING “REMOTE TEST” BUTTON
The Remote Test light will activate during a remote test in progress.
The Remote Test performs a 10-second bit error rate test (BERT)
over the RF link to the far-end.
RECOMMENDED ACTION
POSSIBLE CAUSE (SEE LIST BELOW)
• A Remote Test has been activated from the front
panel “Remote Test” button or the VT-100 user
interface.............................................................................................. 1
RECOMMENDED ACTIONS:
1. Allow the remote test to complete. If the Remote Test Fail light does
not activate, the remote test passed. If the Remote Test Fail light
activates, see section on FAIL light is lit after pressing Remote Test
button.
S
ECTION 4
I M P O R T A N T
If problems persist after you have followed the Recommended
Actions, contact ADTRAN Technical Support at [phone].