ZyXEL ACCESSING INTERNET & INTRANET omni series Manual de usuario Pagina 112

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100 Diagnostics
15 Diagnostics
The omni can perform its own diagnostic tests, providing you with
valuable information. This chapter provides diagnostic tables for
interpreting test results.
The following table is a summary of the omni's self-tests for external
models:
Test
Seq.
LED
LNK
LED
B1
LED
B2
LED
AA
Test Description
1
on* off off off Memory test.
2
off on* off off ISDN chip interface test.
3
off off on* off ISDN chip functional test.
4
off off off on* HDLC functional test.
* The LED lights up while test is in progress and blinks if a test fails.
The following table is a summary of the omni's self-tests for internal
models:
Blinks Test Description
1
Memory test failed.
2
ISDN chip interface test failed.
3
ISDN chip functional test failed.
4
HDLC functional test failed.
O
NOTE: When a self test fails the LED will blink 1-4 times in succession,
followed by a 1.5 second pause. After completing a successful
self test the LED will remain off.
Diagnostics
The omni ISDN TA provides several diagnostic capabilities:
Power-on Self-test.
Local Digital Loopback Test.
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