Cisco CSS11501 - 100Mbps Ethernet Load Balancing Device Hardware Installation Manual page 87

Chapter 2 Cabling and Troubleshooting the CSS
Only a DC power source that is isolated from AC mains with reinforced
Warning
insulation, and that complies with the other safety extra-low voltage (SELV)
requirements in UL1950, CSA 950 3rd Edition, EN 60950, and IEC950, can be
connected to a Cisco 11506 system. This requirement ensures that in a
catastrophic power source fault condition, hazardous voltages are not present
on power terminals and connectors.
Warning This unit might have more than one power supply connection; all connections
must be removed completely for you to completely remove power from the unit.
To connect each CSS 11506 DC power supply to a power source:
1.
2.
Figure 2-15 Location of CSS 11506 DC Power Supply Connectors
1
2
78-13884-06
On the power supply, ensure that the CSS power switch is in the O (off)
position.
Locate the power supply DC terminal block, as shown in
1
GE 1
LI NK
GE 2
C A U T IO N
A C I/ P
D C D C
O K O K
O K O K
DI SC O NN EC
T AL L
PO W ER SO
UR CE S
BE FO RE SE
RV IC IN G
7
8
1
2
3
4
5
6
PS 1
PS 2
PS 3
Power supply LEDs
Power switch
Cisco 11500 Series Content Services Switch Hardware Installation Guide
2
1
2
3
LI NK
A C
D C
O K
O K
3
~
1 0 0 -2 4 0 V
5 A 5 0 -6 0
-4 8 /- 6 0 V
H z
1 0 /8 A
3 Terminal block (–, +, and
Connecting the Power Cord
Figure 2-15.
)
2-33