SMC Networks SMC7500A/VCP - Manual (Page 26)

14
T
ROUBLESHOOTING
Diagnosing CPE Indicators
The TigerAccess Extended Ethernet CPE operation is easily monitored
via the LED indicators to identify problems. The table below describes
common problems you may encounter and possible solutions. If the
solutions in the table fail to resolve the problem, contact SMC Technical
Support for advice.
Symptom Cause Solution
POWER
indicator does
not light up after
power on.
Power outlet,
power cord, or
external power
adapter may be
defective.
• Check the power outlet by plugging in
another device that is functioning
properly.
• Check the power adapter with another
device.
LAN LINK
indicator does
not light up after
making a
connection.
Network
interface (e.g., a
network adapter
card in the
attached
computer),
network cable, or
CPE LAN port
may be defective.
• Verify that the CPE and computer are
powered on.
• Be sure the cable is plugged into both
the CPE and the computer.
• Verify that the proper cable type is
used and its length does not exceed
specified limits.
• Check the network adapter in the
computer and cable connections for
possible defects. Replace the defective
adapter or cable if necessary.
LINE LINK
indicator does
not light up after
making a
connection.
VDSL switch,
cabling, or CPE
LINE port may
be defective.
• Verify that the CPE and attached
VDSL switch are powered on.
• Be sure the cable is plugged into both
the CPE and an RJ-11 telephone jack.
• Verify that the cable length does not
exceed specified limits.
• Check the cable connections on the
CPE, wall jack, punch-down block/
patch panel, and the VDSL switch for
possible defects. Replace the defective
cable if necessary.