Rf Link Is Good But Packet Loss Is Occurring; No Direct Management Using Out Of Band Port - Trango Systems TrangoLINK GigaPlus User Manual

6-40 ghz split architecture high capacity point-to-point microwave backhaul system
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same symptom. A mis-aligned antenna is one of the most common installation
problems.
Solution: Realign the antenna(s). Opmode must be on at the remote side of the link
to do alignment of the local side. Ensure that ATPC is off.
3) Are both ODUs mounted on the same polarization? ODUs must be mounted with
matching polarizations at each end of the link. If one side is mounted on the antenna
differently than the other side, the link will not lock or the signal level will be 30 or
more dB lower than expected.
4) Is the ODU installed properly on the remote mount (remote mount applications
only)? The radio unit will only operate in a single orientation on the remote mount.
Follow the directions on the remote mount to ensure correct installation. The Arrow
on the Remote mount must line up with the "V" on the ODU.

RF Link is good but packet loss is occurring:

1) Verify the duplex and speed settings in the Ethernet port are correct (100 or 1 Gbit)
and match the connected equipment, and that no CRC errors on the port are
occurring.
2) Verify that the Ethernet ports are connected properly. The GigaPlus family of Radios
are port mapped, meaning that the traffic going into Ethernet port 1 on the local
side will only appear at port 1 of the remote side, local side port 2 traffic will appear
on the remote side port 2, etc..
3) Check the Ethernet cables for correct wiring. If 1000BaseT is being implemented,
Cat5e or Cat6 cable should be used. Ensure that the cable is shielded and proper
grounding is applied to the RJ45 connector.

No direct management using Out of band port

If you cannot telnet into the IDU or open an HTTP browser session,
1) Check your Ethernet and power cable connections
2) Ensure proper cable is being used cross-over vs. straight-through cable. The LEDs on
the Ethernet port should be illuminated.
Trango Systems, Inc.
GigaPlus User Manual Rev 3.1
135

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