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Summit Family Switches
 
Summit Family Switches Hardware Installation Guide
48
NOTE
For centralized DC power connection, this product is intended to be installed in a restricted access location (such as 
a dedicated equipment room, equipment closet, or central office) in accordance with Articles 110-16, 110-17, and 
110-18 of the National Electric Code, ANSI/NFPA 70.
Figure 34: Summit X450a-24tDC Switch Rear Panel
Summit X450a-24x Switch
The front panel of the Summit X450a-24x switch (
) includes:
Twenty fixed 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.
Figure 35: Summit X450a-24x Switch Front Panel
- 4 8   V
2 . 0   A   M a x
10 Gigabit
uplink option
Management port
10 Gigabit
stacking ports
DC power
socket
External power
supply connection
Grounding
lug
SH_026_rear_X450a-24tdc
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_033B
1000BASE-X ports
Combination ports
Console
port
Stack number
indicator