Brocade FastIron SX Series Chassis Hardware Installation Guide - Manual (Page 88)

Connecting to Ethernet or fast Ethernet hubs
For copper connections to Ethernet hubs, a 10/100Base-TX or 1000Base-T switch, or another
Brocade device, a crossover cable is required (see UTP and Cat-5 crossover cable diagrams below).
If the hub is equipped with an uplink port, it will require a straight-through cable instead of a crossover
cable.
NOTE
The 802.3ab standard (automatic MDI or MDIX detection) calls for automatic negotiation of the
connection between two 1000Base-T ports. Therefore, a crossover cable may not be required; a
straight-through cable may work as well. For more information about this feature, refer to the FastIron
Ethernet Switch Administration Configuration Guide.
FIGURE 36 UTP crossover cable
FIGURE 37 Cat-5 crossover cable for 1000Base-T
NOTE
The 802.3ab standard calls for automatic negotiation of the connection between two 1000Base-T
ports. Consequently, a crossover cable may not be required; a straight-through cable may work as
well.
Connecting to Ethernet or fast Ethernet hubs
86 Brocade FastIron SX Series Chassis Hardware Installation Guide
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