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2-11
Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
OL-19593-01
Chapter 2 Switch Installation
StackPower Cabling Configurations
You can configure a ring power stack or use the XPS-2200 to configure a star topology.
Figure 2-10 shows a ring configuration using both of the supplied 0.3-meter StackPower cables and one
1.5-meter cable. In these examples, the switches are stacked in a vertical rack or on a table.
Figure 2-10 StackPower Ring Topology
Figure 2-11 shows nine switches connected to an XPS-2200 expandable power supply in a star topology.
CO
NS
O
LE
RE
S
ET
AUX
STAC
K 1
S
TACK
2
S
-
P
W
R
XP
S
S
-
PW
R
A
C
OK
C
3
K
-PW
R
-7
15
WA
C
PS
OK
A
C
OK
C
3
K
-PWR
-7
15
WA
C
PS
OK
CO
NS
O
LE
RE
S
ET
AUX
S
TA
CK
1
S
TACK
2
S
-
P
W
R
XP
S
S
-
PW
R
A
C
OK
C
3
K
-PW
R
-7
15
WA
C
PS
OK
A
C
OK
C
3
K
-PWR
-7
15
WA
C
PS
OK
CO
NS
O
LE
RE
S
ET
AUX
S
TA
C
K 1
S
TACK
2
S
-
P
W
R
XP
S
S
-
PW
R
A
C
OK
C
3
K
-PW
R
-7
15
WA
C
PS
OK
A
C
OK
C
3
K
-PWR
-7
15
WA
C
PS
OK
CO
NS
O
LE
RE
S
ET
AUX
S
TA
C
K 1
S
TACK 2
S
-
P
W
R
XP
S
S
-
PW
R
A
C
O
K
C
3
K
X
-
PW
R
-7
1
5WA
C
PS
OK
A
C
OK
C
3
K
X-PW
R
-7
1
5WA
C
PS
OK
253395
S-
PWR
XPS
AC
OK
PS
O
K
S-
PWR
XPS
S-PWR
AC
OK
PS
O
K