JDS Uniphase IP Video Test Option HST-3000, User Manual

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Chapter 9 Troubleshooting
Resolving problems
250
HST-3000 Ethernet Testing User’s Guide
Resolving problems
Table 14 describes situations that you may encounter when
using the HST-3000.
Table 14 Problems and resolutions
Problem Description Resolution
Link is not active After specifying link initializa-
tion settings and connecting
the HST to the circuit, the
Link Active status is No. Verify the following:
– The HST on the on the
far end is connected to
the circuit.
– The HST and it’s link
partner are configured
for the same rate of traf-
fic.
– The HST and it’s link
partner both have auto-
negotiation turned ON,
and share at least one
common capability, or
both have auto-negotia-
tion turned OFF.
If you are testing 10/100/1G
electrical Ethernet:
– Verify that the RJ-45
jacks on the left of the
Ethernet SIM were used
to connect to the circuit.
The RJ-45 jack on the
top of the base unit is
only used for Ethernet
TE, VoIP, and IP Video
testing.
If you are testing 1G or
100M optical Ethernet:
– Verify that you turned the
laser on using the
Laser On action key.