Cisco 3020 - Cisco Catalyst Blade Switch Handbuch "Erste Schritte - Seite 8

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Cisco 3020 - Cisco Catalyst Blade Switch Handbuch
Table 2 describes the switch module ports. Each external port has an associated LED.
Table 2
Cisco Catalyst Blade Switch 3020 for HP Port Descriptions
Port
Ports 1 to 16
Ports 17 to 20 and
Ports 17x to 20x
Ports 21x to 22x
Ports 23x to 24x
Internal
100BASE-T
Ethernet port
Console port
8
Description
Internal Gigabit Ethernet 1000BASE-X downlink ports.
Dual-purpose SFP module/RJ-45 copper Ethernet uplink ports. The SFP module
ports support only Cisco 1000BASE-SX fiber-optic modules.
By default, the switch module dynamically selects the interface type that first
links up. SFP modules have precedence if both SFP module and copper Ethernet
interface types are in link-up state. You can also specifically configure each port
for either copper Ethernet or SFP modules if you do not want to use
autodetection.
The copper Ethernet ports support automatic medium-dependent interface
crossover (auto-MDIX) and autonegotiation.
For information about configuring speed and duplex settings for a
dual-purpose uplink port, see the software configuration guide.
External 10/100/1000BASE-T copper Gigabit Ethernet uplink ports that
support auto-MDIX and autonegotiation.
Dual-purpose external/internal 10/100/1000BASE-T copper Gigabit Ethernet
uplink ports. These ports can be configured for internal 1000BASE-X
cross-connection with a corresponding switch module. When ports 23x and
24x are in external operation mode, they support auto-MDIX and
autonegotiation. The default is external operation mode.
The Ethernet management port (Fa0) is used only for switch module
management traffic, not for data traffic. It is connected to the Onboard
Administrator through the blade enclosure backplane connector.
Switch module management port (RJ-45 connector).