Cisco ASR 903 Hardware Installation Guide

Table 2: DC Power Supply Specifications (A900-PWR1200-D)
A900-PWR1200-DPart numbers
48V, GRD, -48VInput power specification
-40.8 VDCMinimum input voltage
-72 VDCMaximum input voltage
+12 VDCOutput voltage
8–10 AWG minimum for –48/–60 VDC.
Connector accepts 8 AWG maximum.
Wire gauge for DC input power connections
1200 W
975W with A903-FAN-E
Maximum power output
AC Power Specifications
The AC PSU models supported on the router are:
• A900-PWR550-A—Provides 550 W output power for system 12 V power. Uses an IEC 320 C14 type
15 Amp power receptacle connector,
The A900-PWR550-A power supply can be used with the A900-RSP3C-400-S RSP modules only if the power
consumption is within 550 W. However, A900-PWR1200-A is recommended.
Cisco ASR 903 Aggregation Services Router Hardware Installation Guide
7
Cisco ASR 903 Router Overview
Power Supply Features

Cisco ASR 903 Specifications

General

Brand	Cisco
Model	ASR 903
Category	Network Router
Language	English