Cisco ASR 903 User Manual

Revised: January 19, 2018,
Cisco ASR 903 and ASR 903U Aggregation Services Router
Quick Start Guide
The Cisco ASR 903 Router and the Cisco ASR 903U Router are collectively referred to as the Cisco ASR
903 Router in this document. Any differences between the routers are specifically called out.
Note
The Cisco ASR 903 Router is a fully-featured aggregation platform designed for the cost-effective delivery of converged mobile
and business services. With shallow depth, low power consumption, and an extended temperature range, this compact 3-rack-unit
(RU) router provides high service scale, full redundancy, and flexible hardware configuration.
Overview
The Cisco ASR 903 and the Cisco ASR903U routers expands the Cisco service provider product portfolio by providing a rich and
scalable feature set of Layer 2 VPN (L2VPN) and Layer 3 VPN (L3VPN) services in a compact package. It also supports a variety
of software features, including Carrier Ethernet features, Timing over Packet, and pseudowire.
The Cisco ASR 903 Router is positioned as a pre-aggregation router in IP RAN (GSM, UMTS, iMAX, CDMA, and LTE) networks
or an aggregation router in Carrier Ethernet networks.
The figure below illustrates the router chassis design.
Figure 1: Router Chassis Design
Interface modules1
RSP unit (with active and standby RSP slots)2
2

Cisco ASR 903 Specifications

General

Brand	Cisco
Model	ASR 903
Category	Network Router
Language	English