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Data Sheet
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Cisco Catalyst 2960 Series Switches
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Cisco Catalyst 2950 Series Switches
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Cisco Catalyst Express 500 Series Switches (Select PoE models only)
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Cisco 3825 Integrated Services Routers
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Cisco 2851 Integrated Services Routers
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Cisco 2821 Integrated Services Routers
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Cisco 2811 Integrated Services Routers
Modular Power Supplies
Cisco RPS 2300 users can choose between two power supplies that are also compatible with
Cisco Catalyst 3750-E and 3560-E Series Switches:
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The C3K-PWR-1150WAC power supply
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The C3K-PWR-750WAC power supply
The Cisco RPS 2300 can operate with one or two power supplies. If two power supplies are
installed, they must be of the same type. Table 1 shows the number of switches that can be
simultaneously backed up by the Cisco RPS 2300 for its different configurations.
Table 1.
Number of Switches Actively Backed up by the Cisco RPS 2300
Cisco RPS 2300 Configuration
1 x 750W
2 x 750W
1 x 1150W
2 x 1150W
Cisco Catalyst 3750E or 3560E switches
with 1150W power supply
with 1150W power supply
Not supported
1
1
2
All other supported network devices
1
2
1
2
Table 2 lists the power supply specifications for the 1150W and 750W power supplies.
Table 2.
Power Supply Specifications
Specification
Description
C3K-PWR-1150WAC
C3K-PWR-750WAC
Maximum output power
1150W
750W
Input-voltage range and frequency
115–240 VAC, 50–60 Hz
100–240 VAC, 50–60 Hz
Input current
12–6A
10–5A
Output ratings
12V@25A and –52V@16.4A
12V@25A and –52V@8.7A
Output holdup time
20 ms minimum
20 ms minimum
Power-supply input receptacles
IEC 320-C13 (IEC60320-C13)
IEC 320-C13 (IEC60320-C13)
Power cord rating
15A
15A
LED indicators
“AC OK”—Input power to the power supply is working properly
“PS OK”—Output power from the power supply is working properly