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Cisco ASA 5500-X Series Hardware Installation Guide
Chapter 1 Information about the ASA 5500-X
Power Supply
• AC power supply—Provides 400 watt output power with two DC voltage outputs: +12 V and +5 V.
The AC power supply operates between 85 and 264 VAC. The AC power supply current shares on
the 12 V output and is used in a dual hot pluggable configuration. The AC power supply consumes
a maximum of 471 W of input power.
• DC power supply—Provides 400 watt output power with two DC voltage outputs: +12 V and +5.0
V. The power supply operates between –40.5 and –72 VDC. The DC power supply current shares on
the 12 V output and is used in a dual hot pluggable configuration. The DC power supply consumes
a maximum of 500 W of input power.
Figure 1-8 shows both the removable AC (on the left) and DC (on the right) power supplies for the
ASA 5545-X and ASA 5555-X.
Figure 1-8 AC Power Supply and DC Power Supply
Table 1-3 describes the power supply indicator. The function of the indicator is the same for both the AC
and DC power supplies.
1 Power supply indicator 2 DC power supply positive connection
3 DC power supply neutral connection 4 DC power supply negative connection
11 2 3 4
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