Cisco 3020 Installation Guide download pdf (Page 24)

Figure 11 Inserting the StackWise Plus Cables

When you remove the StackWise Plus cables from the connectors, replace the dust covers to protect

them from dust.

Caution Removing and installing the StackWise Plus cable can shorten its useful life. Do not

remove and insert the cable more often than is absolutely necessary.

8 Connecting to the Switch Module Ports

This section describes how to connect to the fixed switch module ports and to the 10-Gigabit Ethernet

module slots.

Connect to 10/100/1000 Ports

The 10/100/1000 Ethernet ports use standard RJ-45 connectors with Ethernet pinouts. The maximum

cable length is 328 feet (100 meters). The 100BASE-TX and 1000BASE-T traffic requires Category 5,

Category 5e, or Category 6 UTP cable. The 10BASE-T traffic can use Category 3 or Category 4 cable.

The autonegotiation feature is enabled by default on the switch. At this setting, the switch module

ports configure themselves to operate at the speed of attached devices. If the attached device does not

support autonegotiation, you can explicitly set the switch module port speed and the duplex

parameters. To maximize performance, either allow the ports to autonegotiate both speed and duplex,

or set the port speed and duplex parameters on both ends of the connection.

250302

SFP19-20

19-20

21-22

-M

OLE

S-C

BS312

0G-S

UID

SFP 21-22

STK A

STK B

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Cisco 3020 Installation Guide Page 24