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Cisco Catalyst Blade Switch 3120 for HP Hardware Installation Guide
OL-12246-01
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 1-4 for 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 1-1 for more detailed descriptions of the switch module ports.
Figure 1-1 shows the Cisco Catalyst Blade Switch 3120 for HP switch module.
Figure 1-1 The Catalyst Blade Switch 3120 for HP
Table 1-1 describes the Cisco Catalyst Blade Switch 3120 for HP ports. Each external port has an
associated LED.
1 Switch module 8 LEDs for ports 19 and 20 or for the Gigabit-Ethernet slot 1
2 UID
1
LED
1. UID= unit identifier.
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 LEDs
2
2. SYST, STCK, MSTR, MMBR.
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
203651
2
4
x
S
F
P
1
9
-
20
19-20
21
-
22
S
Y
S
T
S
T
C
K
M
S
T
R
M
M
B
R
CON
SOLE
WS-
C
B
S31
20G-S
MOD
E
UID
SFP
2
1-
22
2
3
x
2
6
x
ST
K
1
ST
K
2
7
4
3
1
2
5
6
9
8
10
13
11
12
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 CLI
1
. However, if the blade switches are
stacked, these ports are disabled.