GarrettCom 6K8 User Manual download pdf (Page 34)

Magnum 6K8-Series Industrial Field Switch Installation and User Guide (04/07)

NOTE: for Power Substations: In support of the IEEE 1613 Class 2 standard, GCI

advises that, for substation applications, the RJ-45 ports are intended for connectivity to

other communication equipment such as routers or telecommunication multiplexers

installed in close proximity (i.e., less than 2 meters or 6.5ft) to the 6KQ. It is not

recommended to use these ports in substation applications to interface to field devices

across distances which could produce kigh (greater than 2500V ) levels of ground

potential rise (GPR) during line-to-ground fault conditions. The 6KQ passes the

1613specifications for zero packet loss with fiber ports & with RJ45 ports used as

indicated here.

3.2.5 Connecting Twisted Pair (CAT5E or better, Unshielded or

Shielded)

The RJ-45 Gigabit ports of the Magnum 6K8-Series can be connected to the

media types, 1000BASE-T or CAT 5E or better 100-ohm UTP or shielded twisted pair

(STP) balanced cable. The CAT 5E or better 100-ohm UTP or shielded twisted pair

(STP) balanced cable is recommended to use when making 1000BASE-TX connections.

In either case, the max distance for unshielded twisted pair cabling is 100 meters (328 ft).

Media

IEEE Standard Connector

Twisted Pair (CAT 5E) 1000BASE-T RJ-45

NOTE : It is recommended that high quality CAT. 5E cables (which work for both 100

Mb and 1000Mb) be used whenever possible in order to provide flexibility in a

mixed-speed network.

The following procedure describes how to connect a 1000BASE-T twisted pair segment

to the RJ-45 port. The procedure is the same for both unshielded and shielded twisted

pair cables.

1. 1000Base-T connections require that all four pairs or wires be connected. Insert

either end of the cable with an 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.

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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 illuminated when the unit

is powered and proper connection is established

3.2.6 Connecting Gigabit Media Using GBICs

The Gigabit ports accept industry-standard GBICs for

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GarrettCom 6K8 User Manual Page 34