Black Box LBH240A Manual De Usuario
Black Box
®
Heavy Duty Edge Switches Installation and User Guide(07/05)
50
3.8.1
Connecting Twisted Pair
(RJ-45, CAT 3 or CAT 5, Unshielded or Shielded)
(RJ-45, CAT 3 or CAT 5, Unshielded or Shielded)
The following procedure describes how to connect a 10BASE-T or 100BASE-TX
twisted pair segment to the RJ-45 port. The procedure is the same for both
unshielded and shielded twisted pair cables.
1. Using standard twisted pair media, insert either end of the cable with a RJ-45 plug
into the RJ-45 connector of the port. Note that, even though the connector is
shielded, either unshielded or shielded cables and wiring may be used.
shielded, either unshielded or shielded cables and wiring may be used.
2. Connect the other end of the cable to the corresponding device.
3. Use the LINK LED to ensure proper connectivity by noting that the LED will be
3. Use the LINK LED to ensure proper connectivity by noting that the LED will be
illuminated when the unit is powered and proper connection is established. If this
does not help, ensure that the cable is connected properly and that the device on the
other end is powered and is not defective.
does not help, ensure that the cable is connected properly and that the device on the
other end is powered and is not defective.
4. All the RJ-45 ports are AUTO-Cross (MDIX), and will automatically determined
the Link, while linking to another hub or Switch.
3.8.2
Connecting Fiber Optic ST-type, “twist-lock”
The following procedure applies to installations using ST-type fiber connectors.
This procedure applies to ports using multi-mode ST fiber connectors.