Cisco ASR 902 Hardware Installation Manual page 2

Cisco ASR 902 Router Features
• Network frequency, phase, and time inputs and outputs for network interfaces (SyncE and TDM), BITS,
1 PPS or 10 MHz and Timing over Packet (IEEE 1588-2008)
• Adjustable front and rear rail mounting locations
• Front panel access to power supplies, fan tray, RSP, and interface modules
• Online insertion and removal (OIR) of interface modules, power supplies, and fan tray
• Discrete status LEDs on power supply, interface module, RSP, and fan tray units
• Two alarm dry contact inputs (either normally open or normally closed)
• Environmental-monitoring and environmental-reporting functions
• LED indicators for critical, major, and minor alarms
• Side-to-side forced air cooling
• Temperature range of -40 to 149 degrees F (-40 to 65 degrees C) with 550W DC power supply
• Temperature range of 32 to 122 degrees F (-5 to 55 degrees C) with 550W AC power supply
The figure below illustrates the Cisco ASR 902 Router chassis design.
Figure 1: Cisco ASR 902 Router Chassis Design
Label
1
2
3
4
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
2
◦ One fan tray
Component
Interface modules
RSP unit
Fan tray
Redundant power units (two DC power units are
shown)
Overview