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Troubleshooting
This section is intended to help you solve the most common problems on the 8 10/100TX
plus 1 Gigabit copper & SFP Managed Switch.
Incorrect connections
The switch port can auto detect straight or crossover cable when you link switch with other
Ethernet device. For the RJ-45 connector should use correct UTP or STP cable,
10/100Mbps port use 2-pairs twisted cable and Gigabit 1000T port use 4 pairs twisted
cable. If the RJ-45 connector is not correct pin on right position then the link will fail. For
fiber connection, please notice that fiber cable mode and fiber module should be match.
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 a different cable.
Non-standard cables
Non-standard and miss-wired cables may cause numerous network collisions and other
network problem, and can seriously impair network performance. A category 5-cable
tester is a recommended tool for every 100Base-T network installation.
RJ-45 ports: use unshielded twisted-pair (UTP) or shield twisted-pair ( STP ) cable for
RJ-45 connections: 100 Category 3, 4 or 5 cable for 10Mbps connections or 100
Category 5 cable for 100Mbps connections. Also be sure that the length of any
twisted-pair connection does not exceed 100 meters (328 feet). Gigabit port should use
Cat-5 or cat-5e cable for 1000Mbps connections. The length does not exceed 100 meters.