Milan Technology MIL-SM2401MAF User Manual download pdf (Page 169)

161

Troubleshooting

This section is intended to help you solve the most common problems on the 24 10/100TX

plus 2 SFP/Copper managed POE 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. 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.

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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.

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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).

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Milan Technology MIL-SM2401MAF User Manual Page 169