iii
Cisco ASR 903 Router Hardware Installation Guide
OL-25178-05
CONTENTS
About this Book ix
Document Revision History ix
Document Audience x
Document Organization x
Document Conventions x
Obtaining Documentation and Submitting a Service Request xi
CHAPTER
1CiscoA SR 903 router Overview 1-1
CiscoASR 903 router Fea tures 1-1
System Specifications 1-2
Power Supply Features 1-3
Redundancy 1-4
Dying Gasp 1-4
Status LEDs 1-4
DC Power Specifications 1-4
AC Power Specifications 1-6
Fan Tray 1-6
Fan Tray (A903-FAN) 1-7
Fan Tray (A903-FAN-E) 1-7
Air Plenum 1-8
RSP Modules 1-9
Supported RSPs 1-9
Supported RSP Features 1-10
RSP Redundancy 1-10
Network Timing Interfaces 1-10
RSP Interfaces 1-10
Interface Modules 1-11
Gigabit Ethernet SFP Interface Module 1-12
Gigabit Ethernet RJ45 Interface Module 1-13
10 Gigabit Ethernet XFP Interface Module 1-14
T1/E1 Interface Module 1-16
OC-3 Interface Module 1-16
Serial Interface Module 1-17
Temperature Sensor 1-20