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6.
Troubleshooting
This section is intended to help you solve some common problems
encountered while using the MIL-SME801P switch series.
Incorrect connections
The RJ-45 port will auto-detect the signal configuration of the cable. For
10/100 Mbps, only two pairs of wires are required for communications. For
1000Base-TX, all four pairs of wire are required. Some cabling plants may
not have all four pairs, causing a fault in the link.
The fiber port is either a multi-mode or single-mode fiber type. Ensure that
the fiber in the cable matches that of the fiber port.
Faulty or loose cables
Look for loose or obviously faulty connections. If they appear to be OK, make
sure the connections are snug. If that does not correct the problem, try
different cables.
Non-standard cables
Non-standard and miss-wired cables may cause numerous network collisions
and other network problem. This can seriously impair network performance. A
category 5 cable tester is a recommended tool for every network installation.