SMC Networks SMCWBR14S-N2 - Manual (Page 130)

C
ABLES
B-2
Each wire pair must be attached to the RJ-45 connectors in a specific
orientation. The following figure illustrates how the pins on an Ethernet
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 Ethernet Connector Pin Numbers
RJ-45 Port Connection
Use the straight-through CAT-5 Ethernet cable provided in the package to
connect the Router to your PC. When connecting to other network devices
such as an Ethernet switch, use the cable type shown in the following
table.
Attached Device Port Type Connecting Cable Type
MDI-X Straight-through
MDI Crossover