Power Supply Features - Cisco ASR 903 Hardware Installation Manual

Power Supply Features

• Front panel access to power supplies, fan tray, RSPs, and interface modules
• Online insertion and removal (OIR) of RSP, interface modules, power supplies, and fan tray
• Discrete status LEDs on power supply, interface module, RSP, and fan tray units
• Four alarm dry contact inputs (either normally open or normally closed)
• Environmental monitoring and reporting functions
• LED indicators for critical, major, and minor alarms
• Side-to-side forced air cooling
• Temperature range, see
The figure below illustrates the Cisco ASR 903 Router chassis design.
Figure 1: Cisco ASR 903 Router Chassis Design
1
2
3
4
Power Supply Features
The Cisco ASR 903 Router support AC and DC power supplies. For more information about installing the
Cisco ASR 903 Router power supplies, see the
To estimate the required power supply, use the
Cisco ASR 903 Aggregation Services Router Hardware Installation Guide
2
Cisco ASR 900 Series Aggregation Services Routers Data
Interface modules
RSP unit
Fan tray
Redundant power units (two DC power units are
shown)
Installing the Power
Cisco Power
Cisco ASR 903 Router Overview
Supply.
Calculator.
Sheet.