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Cisco Gigabit Ethernet Switch Module for HP BladeSystem p-Class Hardware Installation Guide

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Cisco Gigabit Ethernet Switch Module for HP BladeSystem p-Class Hardware Installation Guide C-1
C
Connector and Cable Specifications
Overview
This appendix describes the switch ports and the cables and adapters that you use to connect
the switch to other devices.
Connector Specifications
These sections describe the connectors used with the switch.
10/100/1000 Ports
The 10/100/1000 Ethernet ports on the switch use standard RJ-45 connectors. Figure C-1
shows the pinout.
NOTE: You can use the mdix auto interface configuration command in the CLI to enable the automatic
medium-dependent interface crossover (Auto-MDIX) feature. When the Auto-MDIX feature is enabled,
the switch detects the required cable type for copper Ethernet connections and configures the
interfaces accordingly. Therefore, you can use either a crossover or a straight-through cable for
connections to a copper 10/100/1000BASE-T SFP module port on the switch, regardless of the type of
device on the other end of the connection.
The Auto-MDIX feature is enabled by default on switches running Cisco IOS Release 12.2(25)SE1 or
later. For configuration information for this feature, refer to the switch software configuration guide or
the switch command reference guide.
Connecting to 10BASE-T- and 100BASE-TX-Compatible Devices
When connecting the ports to 10BASE-T- and 100BASE-TX-compatible devices, such as
servers, workstations, and routers, you can use a two or four twisted-pair, straight-through
cable wired for 10BASE-T and 100BASE-TX. Figure C-4 shows the two twisted-pair,
straight-through cable schematics. Figure C-6 shows the four twisted-pair, straight-through
cable schematics.
When connecting the ports to 10BASE-T- and 100BASE-TX-compatible devices, such as
switches or repeaters, you can use a two or four twisted-pair, crossover cable. Figure C-5
shows the two twisted-pair, crossover cable schematics. Figure C-7 shows the four
twisted-pair, crossover cable schematics.