Cisco Systems 3120 manual UID 1 LED, Port Description

Chapter 1 Product Overview

Switch Module Features Overview

The CBS3120X switch module supports both the Cisco X2 transceiver modules and the Cisco TwinGig Converter Module. The CBS3120G switch module supports only the Cisco TwinGig Converter Module. See the “10-Gigabit Ethernet Module Slots” section on page 1-4for more information.

For more information about the features of each model, see the hardware installation guide and the software configuration guide for the switch module. See the release notes and the software configuration guide for information about supported Layer 3 features.

See Table 1-1for more detailed descriptions of the switch module ports.

Figure 1-1shows the Cisco Catalyst Blade Switch 3120 for HP switch module.

Figure 1-1 The Catalyst Blade Switch 3120 for HP

17

	3
	2
SYST	UID
STCK
MSTR
MMBR
	MODE
	CON
	SOLE
4	5
	6

SFP19-20

10

8

19-20

21-22

SFP 21-22

11 12

9

23x
		STK 1
24x		STK 2
26x WS
	BS31	20G-S

13

203651

1	Switch module	8	LEDs for ports 19 and 20 or for the Gigabit-Ethernet slot 1
2	UID1 LED	9	Gigabit Ethernet uplink ports 23 to 26 and port LEDs
3	Health LEDs	10	Gigabit Ethernet ports 19 and 20 or 10-Gigabit Ethernet slot 1
4	System LEDs2	11	LEDs for ports 21 and 22 and for the 10-Gigabit Ethernet slot 2
5	Mode button	12	Gigabit Ethernet ports 21 and 22 or 10-Gigabit Ethernet slot 2
6	Console port	13	StackWise Plus ports
7	Release latch

1.UID= unit identifier.

2.SYST, STCK, MSTR, MMBR.

Table 1-1describes the Cisco Catalyst Blade Switch 3120 for HP ports. Each external port has an associated LED.

Table 1-1 Cisco Catalyst Blade Switch 3120 for HP Port Descriptions

Port	Description
Ports 1 to 16	Internal Gigabit Ethernet 1000BASE-X downlink ports that connect to the
	blade enclosure.
Ports 17 to 18	Internal cross-connection ports that you can use to connect to a second switch
	in the blade enclosure through a backplane connector. You can configure
	these ports by using the Cisco IOS CLI1. However, if the blade switches are
	stacked, these ports are disabled.

Cisco Catalyst Blade Switch 3120 for HP Hardware Installation Guide

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