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Connector and Cable Specifications
Connector Specifications
If auto-MDIX is disabled, use a straight-through cable to connect ports when only one port is labeled with an X. Use a
crossover cable to connect ports when both ports are labeled with an X or when both ports are not labeled with an X.
You can use Category 3, 4, or 5 cabling when connecting to 10BASE-T-compatible devices. You must use Category 5
(or higher) cabling when connecting to 100BASE-TX-compatible devices.
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, 10/100/1000, or 1000BASE-T SFP module
port on the switch, regardless of the type of device on the other end of the connection.
SFP Module Connectors
Figure 55 on page 72 shows the MT-RJ SFP module fiber-optic connector.
Figure 55 Fiber-Optic SFP Module LC Connector
Warning: Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into beams
or view directly with optical instruments. Statement 1051
Figure 56 on page 72 shows the 1000BASE-T SFP module RJ-45 connector.
Figure 56 1000BASE-T SFP Module Connector
Dual-Purpose Ports
The 10/100/1000 Ethernet ports on the dual-purpose ports use RJ-45 connectors.
1
RJ-45 connector
3
Bale-clasp latching mechanism in the open
(unlocked) position
2
Bale-clasp latching mechanism in the closed
(locked) position
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