Zhone 100 - LED Indicator Troubleshooting; Table 6-7 Netpath 100 ISDN Adapter LED Diagnostics

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6-26 NetPath 100 User’s Manual - Installation Guide 980-001-0210G
June
1999
LED Indicator
Troubleshooting
The ISDN Adapter front panel LED indicators may also be used to troubleshoot a
problem. Table 6-7 describes the ISDN Adapter LED indicator’s normal states, and
some possible causes for abnormal indications.
.
Table 6-7 NetPath 100 ISDN Adapter LED Dia
g
nostics
NetPath 100 ISDN
Adapter LED
Status
Condition Possible Cause(s)
ISDN
READY
LINE 1 - 4
STATUS
ON OFF NORMAL, No problem. Normal LED status for ISDN Adapter.
Flashing --- ISDN Adapter performing Self-
test.
Normal on power-up or reset, duration of test approx. 30
seconds. Successful completion sets ISDN READY
LED On steady.
Continuous cycles of flashing indicate critical internal
circuit fault. Replace with known good NetPath 100.
OFF --- ISDN Adapter fails Self-test. Internal circuit fault.
Replace with known good NetPath 100.
ON OFF ISDN facility is properly
connected, available, and
configured.
Normal indication after Configuration.
ON ON
Green
Indicates the associated
U-Interface for that line is active
(at least one of the B-Channels for
this interface are on line or looped
back).
Normal indication.
ON Flashing
Green
One or both B-Channels are either
initiating or answering a call.
Normal indication.
ON ON
Red
Loss of ISDN facility. Check ISDN facility.
ON Flashing
Red
1 Flash - B1 SPID incorrect.
2 Flashes - B2 SPID Incorrect.
3 Flashes - Both SPIDs incorrect.
Correct SPID configuration information.
NOTE: A table entry of “---” means status of that LED is not relevant.