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Summit Family Switches Hardware Installation Guide

The front panel of the Summit X450a-24xDC switch (

) includes:

●

Twenty fixed autosensing 1000BASE-X ports (ports 1-20) that provide 20 Gbps of high-density fiber 
(SFP) connectivity

●

Four combination ports (ports 21-24). using RJ-45 connectors and SFPs to provide 4 Gbps of copper 
or fiber connectivity

For more information about combination ports, see 

For information about SFPs, see the Extre me  Ne two rks  Plugga ble  Inte rfa ce  Mo dule s  Ins ta lla tio n Guide .

●

LEDs to indicate port status and switch operating conditions. 

For a description of the LEDs and their operation, see 

●

Stack number indicator showing the position of this switch in a stacked configuration.

●

Serial console port used to connect a terminal and perform local management.

The rear panel of the Summit X450a-24xDC switch (

) includes:

●

Slot for one of the following Summit option cards

■

Summit XGM2-2xn option card, which allows you to add up to two 10-gigabit XENPAK modules

■

Summit XGM2-2xf option card, which allows you to add up to two 10-gigabit XFP modules

For information about these Summit option cards, see 

.

●

Management port with associated LEDs

●

Two high-performance stacking ports with associated LEDs

●

Redundant power input connector for optional connection to the EPS-150DC External Power Module 
(Model No. 10909). The connecting redundant power supply cable is shipped with the EPS-150DC 
unit.

See 

 for more information.

●

DC power input socket

The power supply operates from -36 V DC to -72 V DC.

●

Grounding lug

STACK NO.

Solid ON = Link
Blinking = Activity

10G

MGMT

FAN

PSU-1

PSU-E

1

2

Stack

1

2

2

1

4

3

6

5

8

7

10

9

12

11

14

13

16

15

18

17

20

19

22

21

24

23

22X

21X

24X

23X

SH_034A

1000BASE-X ports

Shared ports

Console

Stack number

indicator

port