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NetEngine IAD User Guide
Troubleshooting and Diagnostics 267
Trouble-
shooting
the IAD
This section provides information for troubleshooting symptoms
associated with the operation of the IAD. Table 14–1 describes symptoms,
probable causes and suggested corrective action to correct the problem.
Table 14–1.Troubleshooting—Symptoms and Causes
Symptom Probable Cause Corrective Action
Power indicator is not
lit.
Power is not
available to the IAD
Ensure that the power
cord is securely
connected.
Ensure that the power
cord is plugged into a live
outlet.
Ensure that the power
switch is on.
If powered by an adapter,
ensure that the correct
adapter is used.
LAN Link indicator is
not lit
Incorrect Ethernet
connection
Ensure that an Ethernet
cable is properly
connected to the IAD and
its upstream connection.
No dial tone is present Incorrect PVC/DLCI
set for voice
channel
Verify these settings:
VPI: 0 to 255
VCI: 0 to 65535
DLCI: 16 to 1023
(default PVC 0/39; DLCI
33)
IAD is improperly
provisioned at the
voice gateway.
Incorrect network
provisioning.
Incorrect directory
number at the
Class 5 switch.
Verify and correct
provisioning of IAD as
required (Table 9-2).
Check and correct
network provisioning at
DSLAM, network
switches, etc.
Check and correct as
required