Cisco ASR 1000 Configuration Guide

CHAPTER
2-1
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide
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SIP and SPA Product Overview
This chapter provides an introduction to SPA interface processors (SIPs) and shared port adapters
(SPAs). It includes the following sections:
• Introduction to SIPs and SPAs, page 2-1
• SIP and SPA Compatibility, page 2-3
• Modular Optics Compatibility, page 2-5
For more hardware details for the specific SIPs and SPAs that are supported on the Cisco ASR 1000
Series Aggregation Services Routers, refer to the companion publication, Cisco ASR 1000 Series
Aggregation Services Routers SIP and SPA Hardware Installation Guide.
Introduction to SIPs and SPAs
Cisco ASR 1000 Series Routers SIPs and SPAs are a carrier card and port adapter architecture that
increases modularity, flexibility, and density across Cisco routers for network connectivity. This section
describes the SIPs and SPAs and provides some guidelines for their use.
SPA Interface Processors
The following list describes some of the general characteristics of a SIP:
• A SIP is a carrier card that inserts into a router slot like a line card. It provides no network
connectivity on its own.
• A SIP contains one or more subslots, which are used to house one or more SPAs. The SPA provides
interface ports for network connectivity.
• During normal operation, the SIP should reside in the router fully populated either with functional
SPAs in all subslots, or with a blank filler plate (SPA-BLANK=) inserted in all empty subslots.
• SIPs support online insertion and removal (OIR) with SPAs inserted in their subslots. SPAs also
support OIR and can be inserted or removed independently from the SIP.
Note Fully populate all slots and subslots with blank filler plates or functional SPAs for maximum efficiency
of the cooling system.

Cisco ASR 1000 Specifications

General

Brand	Cisco
Model	ASR 1000
Category	Network Router
Language	English