Smc-networks SMC9432BTX Manuale Utente Scaricare il pdf (Pagina 57)

B-3

ABLES

Twisted-Pair Cable and Pin Assignments

Caution: DO-NOT plug a phone jack connector into any RJ-45

port. Use only twisted-pair cables with RJ-45 connec-

tors that conform with FCC standards.

For 10BASE-T/100BASE-TX connections, a twisted-pair cable must

have two pairs of wires. Each wire pair is identified by two

different colors. For example, one wire might be red and the

other, red with white stripes. Also, an RJ-45 connector must be

attached to both ends of the cable.

Caution: Each wire pair must be attached to the RJ-45 connectors

in a specific orientation.

Figure B-1 illustrates how the pins on the RJ-45 connector are

numbered. Be sure to hold the connectors in the same orientation

when attaching the wires to the pins.

Figure B-1. RJ-45 Connector Pin Numbers

1 2 ... 52 53 54 55 56 57 58 59 60 61 62 ... 75 76

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Smc-networks SMC9432BTX Manuale Utente Pagina 57