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12 MDS Mercury Series Startup Guide 05-4558A01, Rev. C
LINK LED
not lit.
a. Network Names of APs and Remotes do not match.
They must be identical for association to occur—Also,
verify that the system has a unique Network Name.
b. Remote not yet associated with an Access Point with
the same Network Name.
Check the “Status” of the unit’s process of associating
with the Access Point. Use the Menu System.
c. Poor Antenna System—Check the antenna, feedline
and connectors. Reflected power should be less than
10% of the forward power reading (SWR 2:1 or lower).
d. Wrong Frequency Mode parameters where units need
to be time synchronized. Frequency Mode parameters
are channel, bandwidth and pattern offset.
e. Wrong encryption settings—The Encryption Enable
and Encryption Phrase must match on the AP and
Remote.
f. Wrong device authentication settings—Verify settings
match on AP and Remote.
LAN LED not
lit.
a. Verify the Ethernet cable is connected at both ends.
b. Verify that the appropriate type of Ethernet cable is
used: straight-through, or crossover as required.
c. Verify setting of parameter Eth Port Follows
Association if selected or enabled. If enabled, LED
does not light when Remote is not associated.
GPS LED
not lit
Indicates no GPS fix has been obtained. This only applies
when GPS operation is desired.
a. Check connection of GPS antenna cable and the
antenna itself. Is there a clear “view” to satellites?
Note: Blinking LED indicates establishing TDD Sync.
Table 1. Troubleshooting Using LEDs (Continued)
Symptom Problem/Recommended Checks