Cisco ASR 903 Hardware Installation Guide

Table 3: AC Power Supply Specifications (A900-PWR550-A)
A900-PWR550-APart number
115VAC/ 230VACInput power specification
85/264 VACInput voltage
85 VACMinimum input voltage
264 VACMaximum input voltage
12VMinimum output voltage
12.4VMaximum output voltage
550 WMaximum power output
• A900-PWR1200-A—Provides 975 W output power for system 12 V power with the A903-FAN module.
As most of the system configurations using A900-RSP3C-400-S RSP modules require power exceeding
550 W, we recommend using the A900-PWR1200-A power supply with A900-RSP3C-400-S RSP
modules. See the figure below.
Figure 5: AC Power Supply (A900-PWR1200-A)
Table 4: AC Power Supply Specifications (A900-PWR1200-A)
A900-PWR1200-APart number
Cisco ASR 903 Aggregation Services Router Hardware Installation Guide
8
Cisco ASR 903 Router Overview
Power Supply Features

Cisco ASR 903 Specifications

General

Brand	Cisco
Model	ASR 903
Category	Network Router
Language	English