user manual

3-4
Cisco ASR 9000 Series Aggregation Services Router Overview and Reference Guide
OL-17501-09
Chapter 3 High Availability and Redundant Operation
Power Supply Redundancy
AC Power Redundancy
The AC power modules are a modular design allowing replacement without any outage. Figure 3-1
shows the minimum and maximum module configurations for version 1 power modules. Figure 3-2 shows
that version 2 is similar, with a minimum of one module per tray.
At least one fully loaded AC tray is required to power a fully loaded system. Each module outputs
3000 W.
For Cisco ASR 9010 Routers, the slot location of a module in the power trays is irrelevant as long as the
two power trays have an equal number of modules installed (in case one tray should fail) (see
Figure 3-1).
For Cisco ASR 9006 Routers and Cisco ASR 9904 Routers the slot location of a module in the tray is
irrelevant as long as there are N+1 number of modules (see Figure 3-3 and Figure 3-4).
Figure 3-1 AC System Power Redundancy for the Cisco ASR 9010 Router—Version 1
Figure 3-2 AC System Power Redundancy for the Cisco ASR 9010 Router—Version 2
Figure 3-3 AC System Power Redundancy for the Cisco ASR 9006 Router—Version 2
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3,000W AC system
1+1 min power redundancy
3000W AC
3000W AC
9,000W AC system
3+3 max power redundancy
3000W AC 3000W AC 3000W AC
3000W AC 3000W AC 3000W AC
3000W AC
3000W AC
3000W AC 3000W AC 3000W AC 3000W AC
3000W AC 3000W AC 3000W AC 3000W AC
12,000W AC system
4+4 max power redundancy
3,000W AC system 1+1 min power
redundancy
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3000W AC 3000W AC
3000W AC 3000W AC 3000W AC 3000W AC
9,000W AC system
3+1 max power redundancy
3,000W AC system 1+1 min power
redundancy